,Senior Engineer: Full Stack Development - Node.js & React.js We are looking for senior engineers to join our team of talented engineers who share a common interest in developing products for EdTech, FinTech and various industries. You will build the backend and frontend systems that power the applications, and continuously improve our engineering practices. What youll do Be a technical leader within the team you work with and within Crystal Delta, in general. Facilitate collaboration with other engineers, product owners, and designers to solve interesting and challenging problems for delivering various solutions. Collaborate with other teams in Crystal Delta. Be a valued member of an autonomous, cross-functional agile team. Architect, design, develop, deploy and operate services that serve thousands of users in aDevOps manner. Be a leader of the Crystal Delta-wide developer community driving best engineering practices across the company. Actively participate and lead the teams in internal and external hackathons and meetups. You will mentor the engineers in Crystal Delta. Work from our office in Chennai and if needed travel toMelbourne (Australia) on short term. Who you are You are an experienced technical engineer. You know how to design and develop applications in Node.js & React.js and have a good knowledge of its ecosystems. You are experienced in front-end technologies such as TypeScript, JavaScript, HTML5, CSS3 and JQuery. You have a deep understanding of system design, and data structures, and have experience with relational and NoSQL databases like PostgreSQL, MySQL, and MongoDB. You care about quality, and you know what it means to ship high quality code, with various levels of automated tests (unit, integration, performance, and security) with tools like Mocha, Chai, etc. You are familiar with event-driven programming in Node.js. You have experience or good understanding of code versioning tools like Git. You are a continuous learner and influence the team to get better. You have good communication skills. You might have experience in Ansible and AWS. Kindly share your updated CV to sasikumar@crystaldelta.com, else direct WhatsApp to +91 99406 31345

Hi Folks, We have an immediate opening for Senior Front End Developer. Interested can drop your resume to yamuna.pushparaj@crystaldelta.com What you'll do Be a technical leader within the team you work with and within Crystal Delta, in general. • Facilitate collaboration with other engineers, product owners, and designers to solve interesting and challenging problems for delivering various solutions. Collaborate with other teams in Crystal Delta. Be a valued member of an autonomous, cross-functional agile team. Architect, design, develop, deploy and operate services that serve thousands of users in a DevOps manner. Be a leader of the Crystal Delta-wide developer community driving best engineering practices across the company. Actively participate and lead the teams in internal and external hackathons and meetups. You will mentor the engineers in Crystal Delta. Work from our office in Chennai and if needed travel to Melbourne (Australia) on short term. Who you are You are an experienced Frontend engineer You know how to design and develop applications/components using React.js, Typescript . You are experienced in front-end technologies such as JavaScript, HTML5, CSS3 and JQuery . You have a deep understanding of Design system, Accessibility and Technical Documentation. You have experience or good understanding of code versioning tools like Git. You are a continuous learner and influence the team to get better. You have good communication skills. You might have experience in Nest, Azure, AWS.

Hi Folks, We have an immediate opening for Senior Full Stack Developer. Interested can drop your resume to yamuna.pushparaj@crystaldelta.com & sasikumar@crystaldelta.com What youll do • Be a technical leader within the team you work with and within Crystal Delta, in general. • Facilitate collaboration with other engineers, product owners, and designers to solve interesting and challenging problems for delivering various solutions. • Collaborate with other teams in Crystal Delta. • Be a valued member of an autonomous, cross-functional agile team. • Architect, design, develop, deploy and operate services that serve thousands of users in a DevOps manner. • Be a leader of the Crystal Delta-wide developer community driving best engineering practices across the company. • Actively participate and lead the teams in internal and external hackathons and meetups. • You will mentor the engineers in Crystal Delta. • Work from our office in Chennai and if needed travel to Melbourne (Australia) on short term. Who you are • You are an experienced technical engineer. • You know how to design and develop applications in Node.js & React.js, Vue.js and have a good knowledge of its ecosystems. • You are experienced in front-end technologies such as JavaScript, HTML5, CSS3 and JQuery. • You have a deep understanding of system design, and data structures, and have experience with relational and NoSQL databases like PostgreSQL, MySQL, and MongoDB. • You care about quality, and you know what it means to ship high quality code, with various levels of automated tests (unit, integration, performance, and security) with tools like Mocha, Chai, etc. • You are familiar with event-driven programming in Node.js. • You have experience or good understanding of code versioning tools like Git. • You are a continuous learner and influence the team to get better. • You have good communication skills. • You might have experience in Ansible and AWS.

Hi Folks, We have an immediate opening for Senior Full Stack Developer. Interested can drop your resume to yamuna.pushparaj@crystaldelta.com & sasikumar@crystaldelta.com What Youll Do • Review business requirements and functional specifications to ensure complete test coverage. • Design, develop, and maintain automated test scripts using Python . • Execute ETL testing, data validation, and SQL-based test cases . • Implement and maintain PyTest and Great Expectations frameworks for test automation. • Perform acceptance, integration, and system testing. • Create and maintain test documentation aligned with business logic. • Collaborate with business analysts, developers, and QA team members to deliver high-quality solutions. • Define test strategies and build robust manual and automation test suites. • Stay updated with the latest trends in manual and automation testing, especially in data-centric testing. • Mentor junior engineers and contribute to internal knowledge sharing. • Participate in internal and external hackathons and meetups. • Work from our Chennai or Aruppukkottai office, with potential short-term travel to Melbourne, Australia. Who You Are • Strong expertise in SQL, ETL concepts, and ETL scripting . • Proficient in Python scripting for automation and data validation . • Hands-on experience with PyTest and Great Expectations. • Familiarity with BDD practices and writing test scenarios. • Experience in agile development environments. • Knowledge of test case management tools like X-ray, TestRail, or Zephyr. • Exposure to CI/CD pipelines and remote test execution tools like Jenkins or AWS. • Optional but advantageous: experience with Playwright, Jasmine, or Cypress. • UI testing experience is a plus, especially with tools like LambdaTest or