SquareX

23 Job openings at SquareX
Frontend Developer Mohali district,India 3 - 5 years Not disclosed On-site Full Time

About SquareX: SquareX is a leading cybersecurity company that focuses on providing robust protection to users while ensuring their productivity remains unhampered. Our mission is to secure the internet for everyone, making our services invaluable to clients worldwide. We are seeking a Technical Product Tester to join our team to ensure the quality of our browser extensions and web applications. The successful candidate will be responsible for performing both manual and automated testing. Most of the testing will be manual, with automation used where appropriate. Responsibilities : Building SquareX’s browser extensions and web applications for various platforms with easy-to-use interface and light compute overhead. Building user and admin dashboards for various product interfaces. Apply technical knowledge and problem-solving skills to build innovative solutions for complex workflows Strive for constant improvement in terms of code quality, maintainability, performance Participate in, or lead design reviews with peers and stakeholders to decide amongst available technologies Review code developed by other developers and provide feedback to ensure best practices (e.g., style guidelines, checking code in, accuracy, testability, and efficiency) Ensure engineering best practices, including writing comprehensive test cases are followed Contribute to existing documentation or educational content and adapt content based on product/program updates and user feedback Triage product or system issues and debug/track/resolve them by analyzing the sources of issues and the impact on hardware, network, or service operations and quality. Support engineering operations, including being on-call for production support when necessary Collaborate effectively with the team, while being a good communicator (both verbal and written) Document and share important aspects of all engineering decisions being made Qualifications: Must have strong engineering skills and foundations, including problem-solving, coding, and debugging Must have expertise in core Javascript with at least 3-5 years of experience developing with it Must be proficient in Rust, Typescript, HTML5, and CSS3 usage in building large-scale applications Must have experience in browser extension/plugin (Google Chrome, Mozilla Firefox) development Must have familiarity with browser extension security model and architecture Must have experience in creating a draggable and customizable flowchart for workflows using React Flow Must have expertise in Tailwind UI and integrating it with React Flow Must have experience in writing CI/CD pipelines for deploying web pages over AWS Cloudfront and S3 Must have worked on building customizable UI user journeys where configuration and what to show is driven by APIs Must have worked on user access management with feature-level policy in enterprise dashboards Must have worked on iframe feature policies Must have expertise in CSP (Content Security Policy) Must have worked with placeholder replacement-based templating engines and generated reports with it Must know web application security risks and vulnerabilities Should be passionate about building rich and innovative user experience Cost to Company: 25 to 50 Lakhs We thank all applicants for their interest, but only those selected for an interview will be contacted. Show more Show less

Senior Software Tester Mohali district,India 5 years Not disclosed On-site Full Time

SquareX is a leading cybersecurity company that focuses on providing robust protection to users while ensuring their productivity remains unhampered. Our mission is to secure the internet for everyone, making our services invaluable to clients worldwide. We are seeking a Technical Product Tester to join our team to ensure the quality of our browser extensions and web applications. The successful candidate will be responsible for performing both manual and automated testing. Most of the testing will be manual, with automation used where appropriate. Responsibilities: Develop and execute test cases, test plans, and test scenarios for our technical products. Perform manual testing on websites and browser extensions to identify defects, report issues, and verify fixes. Ensure that all product features, functionality, and user interfaces meet specifications and requirements. Work closely with developers to identify and reproduce issues, providing detailed and accurate bug reports. Collaborate with cross-functional teams to ensure timely and effective communication of testing results. Continuously monitor and track testing progress and report on testing status. Participate in regular team meetings, providing status updates and contributing to team discussions. Qualifications: Bachelor's degree in Computer Science or a related field. At least 5 years of experience in testing technical products (web applications, extensions, SaaS dashbaords) Testing experience with different browsers, Google Chrome, Firefox and Safari. Knowledge in using tools such as Puppeteer and Selenium is a must Must have worked with industry leading testing platforms such as Browserstack. Experience with bug-tracking tools such as JIRA or Trello. Strong written and verbal communication skills. Ability to work independently and as part of a team. Strong attention to detail and a passion for quality. We thank all applicants for their interest, but only those selected for an interview will be contacted. Show more Show less

Frontend Engineer (India) India 3 years None Not disclosed On-site Full Time

About SquareX SquareX is a fast-growing browser security startup that helps enterprises detect, mitigate, and hunt web-based threats against their users in real time. Our mission is to secure the internet for everyone, making our services invaluable to clients worldwide. We are looking for a dedicated and motivated Frontend Developer to join our engineering team and contribute to developing innovative product features. Responsibilities: Building SquareX’s browser extensions and web applications for various platforms with easy-to-use interface and light compute overhead. Building user and admin dashboards for various product interfaces. Apply technical knowledge and problem-solving skills to build innovative solutions for complex workflows Strive for constant improvement in terms of code quality, maintainability, performance Participate in, or lead design reviews with peers and stakeholders to decide amongst available technologies Review code developed by other developers and provide feedback to ensure best practices (e.g., style guidelines, checking code in, accuracy, testability, and efficiency) Ensure engineering best practices, including writing comprehensive test cases are followed Contribute to existing documentation or educational content and adapt content based on product/program updates and user feedback Triage product or system issues and debug/track/resolve them by analyzing the sources of issues and the impact on hardware, network, or service operations and quality. Support engineering operations, including being on-call for production support when necessary Collaborate effectively with the team, while being a good communicator (both verbal and written) Document and share important aspects of all engineering decisions being made Qualifications: Must have strong engineering skills and foundations, including problem-solving, coding, and debugging Must have expertise in core JavaScript with at least 3 years of experience developing with it Must be proficient in Rust, Typescript, HTML5, and CSS3 usage in building large-scale applications Must have experience in browser extension/plugin (Google Chrome, Mozilla Firefox) development Must have familiarity with browser extension security model and architecture Must have experience in creating a draggable and customizable flowchart for workflows using React Flow Must have expertise in Tailwind UI and integrating it with React Flow Must have experience in writing CI/CD pipelines for deploying web pages over AWS Cloud front and S3 Must have worked on building customizable UI user journeys where configuration and what to show is driven by APIs Must have worked on user access management with feature-level policy in enterprise dashboards Must have worked on i frame feature policies Must have expertise in CSP (Content Security Policy) Must have worked with placeholder replacement-based templating engines and generated reports with it Must know web application security risks and vulnerabilities Should be passionate about building rich and innovative user experience Cost to Company: 32 Lakhs to 1 Cr We thank all applicants for their interest, but only those selected for an interview will be contacted.

Technical Product Tester (India) India 2 years None Not disclosed Remote Full Time

Company name : SquareX Job location : India (Remote) Job description About SquareX: SquareX is a leading cybersecurity company that focuses on providing robust protection to users while ensuring their productivity remains unhampered. Our mission is to secure the internet for everyone, making our services invaluable to clients worldwide. We are seeking a Technical Product Tester to join our team to ensure the quality of our browser extensions and web applications. The successful candidate will be responsible for performing both manual and automated testing. Most of the testing will be manual, with automation used where appropriate. Responsibilities: Develop and execute test cases, test plans, and test scenarios for our technical products. Perform manual testing on websites and browser extensions to identify defects, report issues, and verify fixes. Ensure that all product features, functionality, and user interfaces meet specifications and requirements. Work closely with developers to identify and reproduce issues, providing detailed and accurate bug reports. Collaborate with cross-functional teams to ensure timely and effective communication of testing results. Continuously monitor and track testing progress and report on testing status. Participate in regular team meetings, providing status updates and contributing to team discussions. Qualifications: Bachelor's degree in Computer Science or a related field. At least 2 years of experience in testing technical products (web applications) Testing experience with different browsers, Google Chrome, Firefox and Safari. Experience with bug-tracking tools such as JIRA or Trello. Strong written and verbal communication skills. Ability to work independently and as part of a team. Strong attention to detail and a passion for quality. Knowledge in using tools such as Puppeteer and Selenium is a plus. Monthly Salary Range (INR): INR 25 Lakhs We thank all applicants for their interest, but only those selected for an interview will be contacted.

Software Engineer (India) India 2 years None Not disclosed Remote Full Time

Company name : SquareX Job location : India (Remote) Job description About SquareX: SquareX is a leading cybersecurity company that focuses on providing robust protection to users while ensuring their productivity remains unhampered. Our mission is to secure the internet for everyone, making our services invaluable to clients worldwide. We are looking for a dedicated and motivated Software Engineer to join our engineering team and contribute to developing innovative product features. Responsibilities: Build backend systems and services to enable features and solve problems for highly scalable and technically advanced products. Scaling the backend infrastructure to multiple cloud service providers for high availability. Building sub-millisecond APIs for highly responsive application features. Apply problem-solving skills to come up with innovative solutions to complex problems such as improving the efficiency, reliability, and performance of the systems. Constantly try to push the bar for the systems being built, in terms of scalability, reliability, and performance. Be thoroughly hands-on, write and review code, and come up with design and architecture solutions. Practice great engineering practices, including writing test cases, CI/CD processes for deployments, and end-to-end ownership of everything you develop. Support engineering operations, including being on-call for production support and helping in debugging and troubleshooting when necessary. Collaborate effectively with the rest of the team, while being a good communicator (both verbal and written). Document and share important aspects of all engineering decisions being made. Qualifications: Must have strong engineering skills and foundations, including problem-solving, coding, and debugging Must have strong programming skills in Python and familiarity with Decorators, Metaclases, and Context Managers. Must have strong programming skills in Go, familiarity with cgo interfacing, and how to use Channel Patterns (Fan-in, Fan-out, Pipeline) for managing concurrency. Must have experience in building highly scalable and modular REST APIs and WebSocket interfaces with support over HTTP/2 and HTTP/3. Must have experience building Browser extensions for Chrome and Firefox. Must have experience building optimized Go-based web assembly modules for browser extensions. Must have expertise in architecting database schema and index management for highly scalable API infrastructure. Must have experience in building custom ETL solutions with Postgres using foreign data wrapper extension Must have experience with document conversion projects such as Gotenberg. Must have experience in building multi-layer in-memory cache in load-balanced VMs. Must have experience in writing highly optimized SQL Queries for transforming multi-table data into a single table by leveraging recursive CTEs, Pivot operations, and window functions. Must have experience building analytics dashboards for backend monitoring on Grafana. Must have 2+ years of experience with managing identities, organizations, and resources on AWS. Must have an understanding of the permission model, resource management, and how to maintain PoLP on AWS, Google Cloud Platform, and Azure. Must have expertise in writing Infrastructure as Code with popular IaaS frameworks such as Terraform for cross-account deployments. Must have experience in setting up CI/CD with GitHub Actions and AWS CodeDeploy. Must have experience with workflow orchestration software such as Luigi or Apache Airflow Must have familiarity with Linux at the systems level and familiarity with concepts such as namespaces, cgroups, and pivot roots. Must have an understanding of how to harden Linux servers across distributions such as Debian, Ubuntu, Fedora, CoreOS, and Amazon Linux. Must have extensive knowledge of container, and container orchestration platforms, networking, load balancers, observability tools, and understanding of systems metrics. Must have familiarity with container security and advanced security features such as seccomp and apparmor. Must know about cloud security, web application security, and OWASP Top 10. Must have a bachelor’s degree from a reputable university. Annual Salary Range : INR 25 Lakhs We thank all applicants for their interest, but only those selected for an interview will be contacted.

Cybersecurity Researcher India 5 years None Not disclosed On-site Full Time

SquareX / India Job description About SquareX: SquareX is a leading cybersecurity company that focuses on providing robust protection to users while ensuring their productivity remains unhampered. Our mission is to secure the internet for everyone, making our services invaluable to clients worldwide. We are seeking a Cybersecurity Researcher to join our team to lead investigations into browser security threats and client-side attack vectors. The successful candidate will focus on identifying emerging threats, creating proof-of-concept exploits, and contributing research insights that strengthen our browser security posture. Responsibilities : Conduct research in browser-focused security threats, including vulnerabilities, bugs, and advanced attack vectors targeting enterprise users. Build, test, and deploy POCs to simulate real-world threats and highlight impact of discovered issues. Create technical video demonstrations of attacks and solutions. Draft high-quality technical write-ups, whitepapers, or research submissions for security conferences and publications. Track and monitor the evolving threat landscape relevant to browser security and propose mitigation strategies. Collaborate with internal teams (including engineering, product, and marketing) to align research outcomes with company goals and public outreach. Qualifications: Must have 5+ years of experience in cybersecurity research, with a strong focus on browser, extensions or client-side browser/user security . Must have 3+ years of experience of working on a Cybersecurity product company. Must demonstrate expertise in identifying and analyzing web-based vulnerabilities and real-world exploit scenarios. Must have proficiency in Python for automation, scripting, and tooling. Must have good understanding of JavaScript and modern web technologies; adaptability to new frameworks and browser environments. Should have familiarity with Linux VM/Container environments and cloud platforms (e.g., AWS, GCP). Should have a good understanding of internet security protocols and attack surface mapping. Experience publishing or contributing to technical research papers, CVEs, or security community knowledge bases is a plus. Cost to Company: 15 Lakhs to 45 Lakhs We thank all applicants for their interest, but only those selected for an interview will be contacted.

Frontend Engineer (India) Mohali district,India 3 years None Not disclosed On-site Full Time

About SquareX Job location : India (Chandigarh, Mohali District) SquareX is a fast-growing browser security startup that helps enterprises detect, mitigate, and hunt web-based threats against their users in real time. Our mission is to secure the internet for everyone, making our services invaluable to clients worldwide. We are looking for a dedicated and motivated Frontend Developer to join our engineering team and contribute to developing innovative product features. Responsibilities: Building SquareX’s browser extensions and web applications for various platforms with easy-to-use interface and light compute overhead. Building user and admin dashboards for various product interfaces. Apply technical knowledge and problem-solving skills to build innovative solutions for complex workflows Strive for constant improvement in terms of code quality, maintainability, performance Participate in, or lead design reviews with peers and stakeholders to decide amongst available technologies Review code developed by other developers and provide feedback to ensure best practices (e.g., style guidelines, checking code in, accuracy, testability, and efficiency) Ensure engineering best practices, including writing comprehensive test cases are followed Contribute to existing documentation or educational content and adapt content based on product/program updates and user feedback Triage product or system issues and debug/track/resolve them by analyzing the sources of issues and the impact on hardware, network, or service operations and quality. Support engineering operations, including being on-call for production support when necessary Collaborate effectively with the team, while being a good communicator (both verbal and written) Document and share important aspects of all engineering decisions being made Qualifications: Must have strong engineering skills and foundations, including problem-solving, coding, and debugging Must have expertise in core JavaScript with at least 3 years of experience developing with it Must be proficient in Rust, Typescript, HTML5, and CSS3 usage in building large-scale applications Must have experience in browser extension/plugin (Google Chrome, Mozilla Firefox) development Must have familiarity with browser extension security model and architecture Must have experience in creating a draggable and customizable flowchart for workflows using React Flow Must have expertise in Tailwind UI and integrating it with React Flow Must have experience in writing CI/CD pipelines for deploying web pages over AWS Cloud front and S3 Must have worked on building customizable UI user journeys where configuration and what to show is driven by APIs Must have worked on user access management with feature-level policy in enterprise dashboards Must have worked on i frame feature policies Must have expertise in CSP (Content Security Policy) Must have worked with placeholder replacement-based templating engines and generated reports with it Must know web application security risks and vulnerabilities Should be passionate about building rich and innovative user experience Cost to Company: 32 Lakhs to 1 Cr We thank all applicants for their interest, but only those selected for an interview will be contacted.

Full Stack Engineer Intern (Remote) India 3 years None Not disclosed Remote Internship

About SquareX Job location : India (Remote) SquareX is a fast-growing browser security startup that helps enterprises detect, mitigate, and hunt web-based threats against their users in real time. Our mission is to secure the internet for everyone, making our services invaluable to clients worldwide. We are looking for a dedicated and motivated Frontend Developer to join our engineering team and contribute to developing innovative product features. Responsibilities: Building SquareX’s browser extensions and web applications for various platforms with easy-to-use interface and light compute overhead. Building user and admin dashboards for various product interfaces. Apply technical knowledge and problem-solving skills to build innovative solutions for complex workflows Strive for constant improvement in terms of code quality, maintainability, performance Participate in, or lead design reviews with peers and stakeholders to decide amongst available technologies Review code developed by other developers and provide feedback to ensure best practices (e.g., style guidelines, checking code in, accuracy, testability, and efficiency) Ensure engineering best practices, including writing comprehensive test cases are followed Contribute to existing documentation or educational content and adapt content based on product/program updates and user feedback Triage product or system issues and debug/track/resolve them by analyzing the sources of issues and the impact on hardware, network, or service operations and quality. Support engineering operations, including being on-call for production support when necessary Collaborate effectively with the team, while being a good communicator (both verbal and written) Document and share important aspects of all engineering decisions being made Qualifications: Must have strong engineering skills and foundations, including problem-solving, coding, and debugging Must have expertise in core JavaScript with at least 3 years of experience developing with it Must be proficient in Rust, Typescript, HTML5, and CSS3 usage in building large-scale applications Must have experience in browser extension/plugin (Google Chrome, Mozilla Firefox) development Must have familiarity with browser extension security model and architecture Must have experience in creating a draggable and customizable flowchart for workflows using React Flow Must have expertise in Tailwind UI and integrating it with React Flow Must have experience in writing CI/CD pipelines for deploying web pages over AWS Cloud front and S3 Must have worked on building customizable UI user journeys where configuration and what to show is driven by APIs Must have worked on user access management with feature-level policy in enterprise dashboards Must have worked on i frame feature policies Must have expertise in CSP (Content Security Policy) Must have worked with placeholder replacement-based templating engines and generated reports with it Must know web application security risks and vulnerabilities Should be passionate about building rich and innovative user experience Cost to Company: 32 Lakhs to 1 Cr We thank all applicants for their interest, but only those selected for an interview will be contacted.

Full Stack Engineer Intern (Remote) ,,India 3 - 5 years INR Not disclosed Remote Full Time

About SquareX Job location : India (Remote) SquareX is a fast-growing browser security startup that helps enterprises detect, mitigate, and hunt web-based threats against their users in real time. Our mission is to secure the internet for everyone, making our services invaluable to clients worldwide. We are looking for a dedicated and motivated Frontend Developer to join our engineering team and contribute to developing innovative product features. Responsibilities: Building SquareXs browser extensions and web applications for various platforms with easy-to-use interface and light compute overhead. Building user and admin dashboards for various product interfaces. Apply technical knowledge and problem-solving skills to build innovative solutions for complex workflows Strive for constant improvement in terms of code quality, maintainability, performance Participate in, or lead design reviews with peers and stakeholders to decide amongst available technologies Review code developed by other developers and provide feedback to ensure best practices (e.g., style guidelines, checking code in, accuracy, testability, and efficiency) Ensure engineering best practices, including writing comprehensive test cases are followed Contribute to existing documentation or educational content and adapt content based on product/program updates and user feedback Triage product or system issues and debug/track/resolve them by analyzing the sources of issues and the impact on hardware, network, or service operations and quality. Support engineering operations, including being on-call for production support when necessary Collaborate effectively with the team, while being a good communicator (both verbal and written) Document and share important aspects of all engineering decisions being made Qualifications: Must have strong engineering skills and foundations, including problem-solving, coding, and debugging Must have expertise in core JavaScript with at least 3 years of experience developing with it Must be proficient in Rust, Typescript, HTML5, and CSS3 usage in building large-scale applications Must have experience in browser extension/plugin (Google Chrome, Mozilla Firefox) development Must have familiarity with browser extension security model and architecture Must have experience in creating a draggable and customizable flowchart for workflows using React Flow Must have expertise in Tailwind UI and integrating it with React Flow Must have experience in writing CI/CD pipelines for deploying web pages over AWS Cloud front and S3 Must have worked on building customizable UI user journeys where configuration and what to show is driven by APIs Must have worked on user access management with feature-level policy in enterprise dashboards Must have worked on i frame feature policies Must have expertise in CSP (Content Security Policy) Must have worked with placeholder replacement-based templating engines and generated reports with it Must know web application security risks and vulnerabilities Should be passionate about building rich and innovative user experience Cost to Company: 32 Lakhs to 1 Cr We thank all applicants for their interest, but only those selected for an interview will be contacted. Show more Show less

Frontend Engineer (India) mohali district,india 3 years None Not disclosed On-site Full Time

About SquareX Job location : India (Chandigarh, Mohali District) SquareX is a fast-growing browser security startup that helps enterprises detect, mitigate, and hunt web-based threats against their users in real time. Our mission is to secure the internet for everyone, making our services invaluable to clients worldwide. We are looking for a dedicated and motivated Frontend Developer to join our engineering team and contribute to developing innovative product features. Responsibilities: Building SquareX’s browser extensions and web applications for various platforms with easy-to-use interface and light compute overhead. Building user and admin dashboards for various product interfaces. Apply technical knowledge and problem-solving skills to build innovative solutions for complex workflows Strive for constant improvement in terms of code quality, maintainability, performance Participate in, or lead design reviews with peers and stakeholders to decide amongst available technologies Review code developed by other developers and provide feedback to ensure best practices (e.g., style guidelines, checking code in, accuracy, testability, and efficiency) Ensure engineering best practices, including writing comprehensive test cases are followed Contribute to existing documentation or educational content and adapt content based on product/program updates and user feedback Triage product or system issues and debug/track/resolve them by analyzing the sources of issues and the impact on hardware, network, or service operations and quality. Support engineering operations, including being on-call for production support when necessary Collaborate effectively with the team, while being a good communicator (both verbal and written) Document and share important aspects of all engineering decisions being made Qualifications: Must have strong engineering skills and foundations, including problem-solving, coding, and debugging Must have expertise in core JavaScript with at least 3 years of experience developing with it Must be proficient in Rust, Typescript, HTML5, and CSS3 usage in building large-scale applications Must have experience in browser extension/plugin (Google Chrome, Mozilla Firefox) development Must have familiarity with browser extension security model and architecture Must have experience in creating a draggable and customizable flowchart for workflows using React Flow Must have expertise in Tailwind UI and integrating it with React Flow Must have experience in writing CI/CD pipelines for deploying web pages over AWS Cloud front and S3 Must have worked on building customizable UI user journeys where configuration and what to show is driven by APIs Must have worked on user access management with feature-level policy in enterprise dashboards Must have worked on i frame feature policies Must have expertise in CSP (Content Security Policy) Must have worked with placeholder replacement-based templating engines and generated reports with it Must know web application security risks and vulnerabilities Should be passionate about building rich and innovative user experience Cost to Company: 32 Lakhs to 1 Cr We thank all applicants for their interest, but only those selected for an interview will be contacted.

Cybersecurity Researcher india 5 years None Not disclosed Remote Full Time

Company name : SquareX Job location : India (Remote) Job description About SquareX: SquareX is a leading cybersecurity company that focuses on providing robust protection to users while ensuring their productivity remains unhampered. Our mission is to secure the internet for everyone, making our services invaluable to clients worldwide. We are seeking a Cybersecurity Researcher to join our team to lead investigations into browser security threats and client-side attack vectors. The successful candidate will focus on identifying emerging threats, creating proof-of-concept exploits, and contributing research insights that strengthen our browser security posture. Responsibilities : Conduct research in browser-focused security threats, including vulnerabilities, bugs, and advanced attack vectors targeting enterprise users. Build, test, and deploy POCs to simulate real-world threats and highlight impact of discovered issues. Create technical video demonstrations of attacks and solutions. Draft high-quality technical write-ups, whitepapers, or research submissions for security conferences and publications. Track and monitor the evolving threat landscape relevant to browser security and propose mitigation strategies. Collaborate with internal teams (including engineering, product, and marketing) to align research outcomes with company goals and public outreach. Qualifications: Must have 5+ years of experience in cybersecurity research, with a strong focus on browser, extensions or client-side browser/user security . Must have 3+ years of experience of working on a Cybersecurity product company. Must demonstrate expertise in identifying and analyzing web-based vulnerabilities and real-world exploit scenarios. Must have proficiency in Python for automation, scripting, and tooling. Must have good understanding of JavaScript and modern web technologies; adaptability to new frameworks and browser environments. Should have familiarity with Linux VM/Container environments and cloud platforms (e.g., AWS, GCP). Should have a good understanding of internet security protocols and attack surface mapping. Experience publishing or contributing to technical research papers, CVEs, or security community knowledge bases is a plus. Cost to Company: 15 Lakhs to 45 Lakhs We thank all applicants for their interest, but only those selected for an interview will be contacted.

Full Stack Engineer Intern (Remote) india 3 years None Not disclosed Remote Internship

About SquareX Job location : India (Remote) SquareX is a fast-growing browser security startup that helps enterprises detect, mitigate, and hunt web-based threats against their users in real time. Our mission is to secure the internet for everyone, making our services invaluable to clients worldwide. We are looking for a dedicated and motivated Frontend Developer to join our engineering team and contribute to developing innovative product features. Responsibilities: Building SquareX’s browser extensions and web applications for various platforms with easy-to-use interface and light compute overhead. Building user and admin dashboards for various product interfaces. Apply technical knowledge and problem-solving skills to build innovative solutions for complex workflows Strive for constant improvement in terms of code quality, maintainability, performance Participate in, or lead design reviews with peers and stakeholders to decide amongst available technologies Review code developed by other developers and provide feedback to ensure best practices (e.g., style guidelines, checking code in, accuracy, testability, and efficiency) Ensure engineering best practices, including writing comprehensive test cases are followed Contribute to existing documentation or educational content and adapt content based on product/program updates and user feedback Triage product or system issues and debug/track/resolve them by analyzing the sources of issues and the impact on hardware, network, or service operations and quality. Support engineering operations, including being on-call for production support when necessary Collaborate effectively with the team, while being a good communicator (both verbal and written) Document and share important aspects of all engineering decisions being made Qualifications: Must have strong engineering skills and foundations, including problem-solving, coding, and debugging Must have expertise in core JavaScript with at least 3 years of experience developing with it Must be proficient in Rust, Typescript, HTML5, and CSS3 usage in building large-scale applications Must have experience in browser extension/plugin (Google Chrome, Mozilla Firefox) development Must have familiarity with browser extension security model and architecture Must have experience in creating a draggable and customizable flowchart for workflows using React Flow Must have expertise in Tailwind UI and integrating it with React Flow Must have experience in writing CI/CD pipelines for deploying web pages over AWS Cloud front and S3 Must have worked on building customizable UI user journeys where configuration and what to show is driven by APIs Must have worked on user access management with feature-level policy in enterprise dashboards Must have worked on i frame feature policies Must have expertise in CSP (Content Security Policy) Must have worked with placeholder replacement-based templating engines and generated reports with it Must know web application security risks and vulnerabilities Should be passionate about building rich and innovative user experience Cost to Company: 32 Lakhs to 1 Cr We thank all applicants for their interest, but only those selected for an interview will be contacted.

Technical Product Tester (IN) india 2 years None Not disclosed On-site Full Time

About SquareX: SquareX is a leading cybersecurity company that focuses on providing robust protection to users while ensuring their productivity remains unhampered. Our mission is to secure the internet for everyone, making our services invaluable to clients worldwide. We are seeking a Technical Product Tester to join our team to ensure the quality of our browser extensions and web applications. The successful candidate will be responsible for performing both manual and automated testing. Most of the testing will be manual, with automation used where appropriate. Responsibilities: Develop and execute test cases, test plans, and test scenarios for our technical products. Perform manual testing on websites and browser extensions to identify defects, report issues, and verify fixes. Ensure that all product features, functionality, and user interfaces meet specifications and requirements. Work closely with developers to identify and reproduce issues, providing detailed and accurate bug reports. Collaborate with cross-functional teams to ensure timely and effective communication of testing results. Continuously monitor and track testing progress and report on testing status. Participate in regular team meetings, providing status updates and contributing to team discussions. Qualifications: Bachelor's degree in Computer Science or a related field. At least 2 years of experience in testing technical products (web applications) Testing experience with different browsers, Google Chrome, Firefox and Safari. Experience with bug-tracking tools such as JIRA or Trello. Strong written and verbal communication skills. Ability to work independently and as part of a team. Strong attention to detail and a passion for quality. Knowledge in using tools such as Puppeteer and Selenium is a plus. Monthly Salary Range (INR): $50,000 - $100,000 We thank all applicants for their interest, but only those selected for an interview will be contacted.

Frontend Engineer india 3 years None Not disclosed On-site Full Time

About SquareX: SquareX is a fast-growing browser security startup that helps enterprises detect, mitigate, and hunt web-based threats against their users in real time. Our mission is to secure the internet for everyone, making our services invaluable to clients worldwide. We are looking for a dedicated and motivated Frontend Developer to join our engineering team and contribute to developing innovative product features. Responsibilities : Building SquareX’s browser extensions and web applications for various platforms with easy-to-use interface and light compute overhead. Building user and admin dashboards for various product interfaces. Apply technical knowledge and problem-solving skills to build innovative solutions for complex workflows Strive for constant improvement in terms of code quality, maintainability, performance Participate in, or lead design reviews with peers and stakeholders to decide amongst available technologies Review code developed by other developers and provide feedback to ensure best practices (e.g., style guidelines, checking code in, accuracy, testability, and efficiency) Ensure engineering best practices, including writing comprehensive test cases are followed Contribute to existing documentation or educational content and adapt content based on product/program updates and user feedback Triage product or system issues and debug/track/resolve them by analyzing the sources of issues and the impact on hardware, network, or service operations and quality. Support engineering operations, including being on-call for production support when necessary Collaborate effectively with the team, while being a good communicator (both verbal and written) Document and share important aspects of all engineering decisions being made Qualifications: Must have strong engineering skills and foundations, including problem-solving, coding, and debugging Must have expertise in core Javascript with at least 3 years of experience developing with it Must be proficient in Rust, Typescript, HTML5, and CSS3 usage in building large-scale applications Must have experience in browser extension/plugin (Google Chrome, Mozilla Firefox) development Must have familiarity with browser extension security model and architecture Must have experience in creating a draggable and customizable flowchart for workflows using React Flow Must have expertise in Tailwind UI and integrating it with React Flow Must have experience in writing CI/CD pipelines for deploying web pages over AWS Cloudfront and S3 Must have worked on building customizable UI user journeys where configuration and what to show is driven by APIs Must have worked on user access management with feature-level policy in enterprise dashboards Must have worked on iframe feature policies Must have expertise in CSP (Content Security Policy) Must have worked with placeholder replacement-based templating engines and generated reports with it Must know web application security risks and vulnerabilities Should be passionate about building rich and innovative user experience Cost to Company: 32 Lakhs to 1 Cr We thank all applicants for their interest, but only those selected for an interview will be contacted.

Software Tester mohali district,india 3 years None Not disclosed On-site Full Time

Mode: In-Person/Office - Mohali (India) CTC: 8 to 15 LPA (Based on experience and skills) About SquareX: SquareX is a leading cybersecurity company that focuses on providing robust protection to users while ensuring their productivity remains unhampered. Our mission is to secure the internet for everyone, making our services invaluable to clients worldwide. We are seeking a Software Tester with 2–3 years of hands-on experience in both manual and automation testing . The ideal candidate will have practical knowledge of testing methodologies, experience using industry-standard tools, and a proven ability to ensure product quality across different platforms and environments. Responsibilities : Understand product requirements, use cases, and workflows to create effective test plans. Design, develop, and execute manual and automated test cases . Perform different types of testing: functional, regression, integration, UI/UX, performance, API, mobile, and cross-browser testing . Use automation frameworks and tools (e.g., Playwright, Selenium, Appium, TestNG, JUnit) to build and maintain test suites. Use manual and test management tools (e.g., Jira, TestRail, Bugzilla) to track test cases, defects, and progress. Conduct API testing using tools like Postman or REST Assured. Perform performance/load testing using tools like JMeter or LoadRunner. Collaborate closely with developers, product managers, and designers to report and reproduce defects clearly . Document test results, provide detailed bug reports, and verify fixes. Contribute to improving the testing process, automation coverage, and quality standards . Qualifications: 2–3 years of professional experience in software testing (manual and automation). Strong understanding of testing methodologies, SDLC, and QA best practices . Hands-on experience with: Automation tools : Playwright, Selenium, Appium, TestNG, JUnit, PyTest (any comparable framework). Manual testing & management tools : Jira, TestRail, Bugzilla, Zephyr. API testing tools : Postman, REST Assured. Performance testing tools : JMeter, LoadRunner. Version control & CI/CD tools : Git, Jenkins, GitHub Actions (good to have). Strong analytical skills with attention to detail. Excellent communication and documentation abilities. Ability to work collaboratively in a fast-paced environment. Self-motivated, proactive, and eager to take ownership of testing deliverables.

Software Tester mohali,punjab,india 2 - 4 years INR Not disclosed On-site Full Time

Mode: In-Person/Office - Mohali (India) CTC: 8 to 15 LPA (Based on experience and skills) About SquareX: SquareX is a leading cybersecurity company that focuses on providing robust protection to users while ensuring their productivity remains unhampered. Our mission is to secure the internet for everyone, making our services invaluable to clients worldwide. We are seeking a Software Tester with 23 years of hands-on experience in both manual and automation testing . The ideal candidate will have practical knowledge of testing methodologies, experience using industry-standard tools, and a proven ability to ensure product quality across different platforms and environments. Responsibilities : Understand product requirements, use cases, and workflows to create effective test plans. Design, develop, and execute manual and automated test cases . Perform different types of testing: functional, regression, integration, UI/UX, performance, API, mobile, and cross-browser testing . Use automation frameworks and tools (e.g., Playwright, Selenium, Appium, TestNG, JUnit) to build and maintain test suites. Use manual and test management tools (e.g., Jira, TestRail, Bugzilla) to track test cases, defects, and progress. Conduct API testing using tools like Postman or REST Assured. Perform performance/load testing using tools like JMeter or LoadRunner. Collaborate closely with developers, product managers, and designers to report and reproduce defects clearly . Document test results, provide detailed bug reports, and verify fixes. Contribute to improving the testing process, automation coverage, and quality standards . Qualifications: 23 years of professional experience in software testing (manual and automation). Strong understanding of testing methodologies, SDLC, and QA best practices . Hands-on experience with: Automation tools : Playwright, Selenium, Appium, TestNG, JUnit, PyTest (any comparable framework). Manual testing & management tools : Jira, TestRail, Bugzilla, Zephyr. API testing tools : Postman, REST Assured. Performance testing tools : JMeter, LoadRunner. Version control & CI/CD tools : Git, Jenkins, GitHub Actions (good to have). Strong analytical skills with attention to detail. Excellent communication and documentation abilities. Ability to work collaboratively in a fast-paced environment. Self-motivated, proactive, and eager to take ownership of testing deliverables.

Cybersecurity Researcher mohali district,india 5 years None Not disclosed On-site Full Time

Job description About SquareX: SquareX is a leading cybersecurity company that focuses on providing robust protection to users while ensuring their productivity remains unhampered. Our mission is to secure the internet for everyone, making our services invaluable to clients worldwide. We are seeking a Cybersecurity Researcher to join our team to lead investigations into browser security threats and client-side attack vectors. The successful candidate will focus on identifying emerging threats, creating proof-of-concept exploits, and contributing research insights that strengthen our browser security posture. Responsibilities : Conduct research in browser-focused security threats, including vulnerabilities, bugs, and advanced attack vectors targeting enterprise users. Build, test, and deploy POCs to simulate real-world threats and highlight impact of discovered issues. Create technical video demonstrations of attacks and solutions. Draft high-quality technical write-ups, whitepapers, or research submissions for security conferences and publications. Track and monitor the evolving threat landscape relevant to browser security and propose mitigation strategies. Collaborate with internal teams (including engineering, product, and marketing) to align research outcomes with company goals and public outreach. Qualifications: Must have 5+ years of experience in cybersecurity research, with a strong focus on browser, extensions or client-side browser/user security . Must have 3+ years of experience of working on a Cybersecurity product company. Must demonstrate expertise in identifying and analyzing web-based vulnerabilities and real-world exploit scenarios. Must have proficiency in Python for automation, scripting, and tooling. Must have good understanding of JavaScript and modern web technologies; adaptability to new frameworks and browser environments. Should have familiarity with Linux VM/Container environments and cloud platforms (e.g., AWS, GCP). Should have a good understanding of internet security protocols and attack surface mapping. Experience publishing or contributing to technical research papers, CVEs, or security community knowledge bases is a plus. Cost to Company: 15 Lakhs to 45 Lakhs We thank all applicants for their interest, but only those selected for an interview will be contacted.

Backend Software Developer mohali district,india 3 years None Not disclosed On-site Full Time

Mode: In-Person/Office - Mohali (India) CTC: 10 to 25 LPA (Based on experience and skills) About SquareX: SquareX is a leading cybersecurity company that focuses on providing robust protection to users while ensuring their productivity remains unhampered. Our mission is to secure the internet for everyone, making our services invaluable to clients worldwide. We are seeking a Backend Software Developer with 2–3 years of hands-on experience building scalable, reliable, and secure backend systems. The ideal candidate has experience working on cloud environments, is comfortable with Linux-based systems, and can design and maintain high-performance services in Python, Go, or Rust. Responsibilities : Design, develop, and maintain backend services and APIs to support our cybersecurity products. Write clean, maintainable, and efficient code in Python , Go , or Rust . Design scalable and reliable backend architectures with a focus on performance and security. Work with cloud platforms (AWS, GCP, Azure, or others) for deployment, scaling, and monitoring. Containerize applications using Docker , and manage deployments in Kubernetes environments. Integrate with internal and third-party services via REST or gRPC APIs. Implement CI/CD pipelines for automated builds, testing, and deployments using tools like GitHub Actions , or similar. Collaborate closely with frontend engineers, testers, and product teams to deliver high-quality releases. Monitor and troubleshoot production systems, ensuring high availability and reliability. Contribute to design reviews, code reviews, and process improvements. Qualifications: 2–3 years of professional experience in backend software development. Proficiency in Python , Go , or Rust (experience with multiple languages is a plus). Strong understanding of: ○ Server-side development and API design. ○ Software architecture patterns (microservices, event-driven, etc.). ○ Cloud computing fundamentals and services (AWS, GCP, or Azure). Hands-on experience with: ○ Docker and Linux environments. ○ At least one cloud provider (AWS, GCP, Azure, etc.). ○ CI/CD tools – GitHub Actions, or similar. ○ Version control systems – Git/GitHub. ○ Kubernetes – for container orchestration (nice to have). Strong understanding of networking, security principles , and performance optimization . Excellent problem-solving, debugging, and analytical skills. Ability to work collaboratively in a fast-paced environment. Self-driven, proactive, and committed to building secure and reliable systems.

Software Tester mohali district,india 3 years None Not disclosed On-site Full Time

Mode: In-Person/Office - Mohali (India) CTC: 8 to 15 LPA (Based on experience and skills) About SquareX: SquareX is a leading cybersecurity company that focuses on providing robust protection to users while ensuring their productivity remains unhampered. Our mission is to secure the internet for everyone, making our services invaluable to clients worldwide. We are seeking a Software Tester with 2–3 years of hands-on experience in both manual and automation testing . The ideal candidate will have practical knowledge of testing methodologies, experience using industry-standard tools, and a proven ability to ensure product quality across different platforms and environments. Responsibilities : Understand product requirements, use cases, and workflows to create effective test plans. Design, develop, and execute manual and automated test cases . Perform different types of testing: functional, regression, integration, UI/UX, performance, API, mobile, and cross-browser testing . Use automation frameworks and tools (e.g., Playwright, Selenium, Appium, TestNG, JUnit) to build and maintain test suites. Use manual and test management tools (e.g., Jira, TestRail, Bugzilla) to track test cases, defects, and progress. Conduct API testing using tools like Postman or REST Assured. Perform performance/load testing using tools like JMeter or LoadRunner. Collaborate closely with developers, product managers, and designers to report and reproduce defects clearly . Document test results, provide detailed bug reports, and verify fixes. Contribute to improving the testing process, automation coverage, and quality standards . Qualifications: 2–3 years of professional experience in software testing (manual and automation). Strong understanding of testing methodologies, SDLC, and QA best practices . Hands-on experience with: Automation tools : Playwright, Selenium, Appium, TestNG, JUnit, PyTest (any comparable framework). Manual testing & management tools : Jira, TestRail, Bugzilla, Zephyr. API testing tools : Postman, REST Assured. Performance testing tools : JMeter, LoadRunner. Version control & CI/CD tools : Git, Jenkins, GitHub Actions (good to have). Strong analytical skills with attention to detail. Excellent communication and documentation abilities. Ability to work collaboratively in a fast-paced environment. Self-motivated, proactive, and eager to take ownership of testing deliverables.

Cybersecurity Researcher mohali,punjab,india 5 - 7 years INR Not disclosed On-site Full Time

Job description About SquareX: SquareX is a leading cybersecurity company that focuses on providing robust protection to users while ensuring their productivity remains unhampered. Our mission is to secure the internet for everyone, making our services invaluable to clients worldwide. We are seeking a Cybersecurity Researcher to join our team to lead investigations into browser security threats and client-side attack vectors. The successful candidate will focus on identifying emerging threats, creating proof-of-concept exploits, and contributing research insights that strengthen our browser security posture. Responsibilities : Conduct research in browser-focused security threats, including vulnerabilities, bugs, and advanced attack vectors targeting enterprise users. Build, test, and deploy POCs to simulate real-world threats and highlight impact of discovered issues. Create technical video demonstrations of attacks and solutions. Draft high-quality technical write-ups, whitepapers, or research submissions for security conferences and publications. Track and monitor the evolving threat landscape relevant to browser security and propose mitigation strategies. Collaborate with internal teams (including engineering, product, and marketing) to align research outcomes with company goals and public outreach. Qualifications: Must have 5+ years of experience in cybersecurity research, with a strong focus on browser, extensions or client-side browser/user security . Must have 3+ years of experience of working on a Cybersecurity product company. Must demonstrate expertise in identifying and analyzing web-based vulnerabilities and real-world exploit scenarios. Must have proficiency in Python for automation, scripting, and tooling. Must have good understanding of JavaScript and modern web technologies; adaptability to new frameworks and browser environments. Should have familiarity with Linux VM/Container environments and cloud platforms (e.g., AWS, GCP). Should have a good understanding of internet security protocols and attack surface mapping. Experience publishing or contributing to technical research papers, CVEs, or security community knowledge bases is a plus. Cost to Company: 15 Lakhs to 45 Lakhs We thank all applicants for their interest, but only those selected for an interview will be contacted.