We are seeking an expert Senior Next.js Full Stack Developer with strong backend emphasis to join our team. The ideal candidate will have extensive experience with Next.js server components, API routes, middleware, and deep expertise in both SQL (PostgreSQL) and NoSQL (MongoDB) database technologies. You will be responsible for architecting, developing, and maintaining robust, scalable, and secure backend systems while also contributing to the full stack Next.js ecosystem. Key Responsibilities: - Design and develop sophisticated backend services and APIs using Next.js API routes and server components - Architect and optimize MongoDB databases, including complex aggregation pipelines - Implement and manage message queuing systems using RabbitMQ - Design and maintain Redis-based caching solutions for high-performance applications - Develop and optimize PostgreSQL database schemas, stored procedures, and complex SQL queries - Implement robust security measures, including authentication, authorization, and data protection - Lead backend architecture decisions and mentor junior developers - Ensure high performance, scalability, and reliability of backend systems - Collaborate with frontend developers to integrate backend services - Participate in code reviews and maintain high code quality standards - Troubleshoot and resolve complex backend issues Skills & Qualifications: Technical Skills: - Expert-level proficiency with Next.js backend development (API routes, middleware, server components) - Advanced MongoDB skills, including complex aggregation pipelines, indexing strategies, and performance optimization - Extensive experience with PostgreSQL and advanced SQL query optimization - Strong knowledge of Redis for caching and session management - Experience with message brokers like RabbitMQ for distributed systems - Thorough understanding of backend security practices, including OWASP security standards - Proficiency with Node.js ecosystem and TypeScript - Experience with containerization (Docker) and orchestration tools - Solid understanding of CI/CD pipelines and DevOps practices Experience: - 5+ years of professional experience with Next.js full stack development - Proven track record developing complex backend systems - Demonstrated experience with both SQL and NoSQL database architectures - Experience implementing security best practices in production environments Soft Skills: - Strong architectural and system design capabilities - Excellent problem-solving and analytical thinking - Ability to lead technical discussions and mentor other developers - Strong communication skills to explain complex technical concepts - Detail-oriented with a focus on code quality and performance Why Join Us? - Competitive salary package commensurate with expertise - Opportunity to work on challenging, cutting-edge projects - Professional development and continuous learning opportunities - Collaborative and innovative work culture - Flexible work arrangements If you're a backend-focused Next.js expert with deep database knowledge and a passion for building secure, scalable systems, we'd love to hear from you! Job Types: Full-time, Permanent Pay: ₹960,000.00 - ₹1,500,000.00 per year Benefits: Health insurance Paid sick time Paid time off Provident Fund Schedule: Day shift Monday to Friday Weekend availability Supplemental Pay: Overtime pay Ability to commute/relocate: Kolkata, West Bengal: Reliably commute or planning to relocate before starting work (Required) Education: Bachelor's (Preferred) Work Location: In person
We are looking for a highly skilled Backend Developer with extensive experience in MongoDB and ExpressJS . The ideal candidate should have a deep understanding of MongoDB , including writing raw queries , optimizing performance, and managing large-scale databases. Additionally, they should have a strong grasp of ExpressJS for building scalable and efficient backend applications. Key Responsibilities: Design, develop, and maintain backend services using Node.js and ExpressJS . Write raw MongoDB queries for complex data retrieval and manipulation. Optimize database performance, indexing, and query execution. Develop and integrate RESTful APIs with frontend applications. Implement authentication and authorization mechanisms. Collaborate with frontend developers and other stakeholders to ensure seamless integration. Ensure high availability, scalability, and security of backend systems. Perform code reviews, debugging, and troubleshooting to maintain code quality. Stay updated with the latest trends and best practices in backend development. Required Skills: MongoDB: Deep expertise in database design, indexing, aggregation, and raw queries. ExpressJS: Strong understanding of middleware, routing, and API development. Node.js: Proficiency in asynchronous programming and event-driven architecture. RESTful APIs: Experience in designing and implementing scalable APIs. Authentication & Security: Knowledge of JWT, OAuth, and other security protocols. Version Control: Experience with Git and collaborative development workflows. Performance Optimization: Ability to optimize queries and backend processes for efficiency. Preferred Skills: Experience with Docker, Kubernetes , and cloud platforms like AWS/GCP . Familiarity with GraphQL and microservices architecture. Knowledge of CI/CD pipelines for automated deployments. Job Types: Full-time, Permanent Pay: ₹840,000.00 - ₹1,300,000.00 per year Benefits: Health insurance Paid sick time Paid time off Provident Fund Location Type: In-person Schedule: Day shift Monday to Friday Weekend availability Ability to commute/relocate: Kolkata, West Bengal: Reliably commute or planning to relocate before starting work (Required) Education: Bachelor's (Preferred) Experience: Back-end development: 5 years (Required) MongoDB: 4 years (Required) Express.js: 4 years (Required) Node.js: 3 years (Required) APIs: 3 years (Required) Location: Kolkata, West Bengal (Preferred) Work Location: In person
Role Description This is a full-time on-site role for a Lead Flutter Engineer at Piston located in Kolkata. The Lead Flutter Engineer will be responsible for developing and maintaining mobile applications using Flutter, collaborating with cross-functional teams, leading and mentoring junior engineers, and ensuring the technical feasibility of UI/UX designs. Qualifications Strong proficiency in Flutter development and mobile application development Experience in leading and mentoring engineering teams Proficiency in UI/UX design principles Knowledge of software architecture and design patterns Experience with testing and debugging mobile applications Excellent problem-solving and analytical skills Bachelor's degree in Computer Science, Engineering, or related field Experience with native Android or iOS development is a plus Industry Financial Services Employment Type Full-time Job Types: Full-time, Permanent Pay: ₹1,200,000.00 - ₹1,400,000.00 per year Benefits: Health insurance Paid sick time Paid time off Provident Fund Schedule: Day shift Monday to Friday Ability to commute/relocate: Kolkata, West Bengal: Reliably commute or planning to relocate before starting work (Required) Education: Bachelor's (Preferred) Experience: APIs: 3 years (Required) Flutter: 4 years (Required) NoSQL: 2 years (Required) Location: Kolkata, West Bengal (Preferred) Work Location: In person
Role Description This is a full-time on-site role for a Lead Flutter Engineer at Piston located in Kolkata. The Lead Flutter Engineer will be responsible for developing and maintaining mobile applications using Flutter, collaborating with cross-functional teams, leading and mentoring junior engineers, and ensuring the technical feasibility of UI/UX designs. Qualifications Strong proficiency in Flutter development and mobile application development Experience in leading and mentoring engineering teams Proficiency in UI/UX design principles Knowledge of software architecture and design patterns Experience with testing and debugging mobile applications Excellent problem-solving and analytical skills Bachelor's degree in Computer Science, Engineering, or related field Experience with native Android or iOS development is a plus Industry Financial Services Employment Type Full-time Job Types: Full-time, Permanent Pay: ₹1,200,000.00 - ₹1,400,000.00 per year Benefits: Health insurance Paid sick time Paid time off Provident Fund Schedule: Day shift Monday to Friday Ability to commute/relocate: Kolkata, West Bengal: Reliably commute or planning to relocate before starting work (Required) Education: Bachelor's (Preferred) Experience: APIs: 3 years (Required) Flutter: 4 years (Required) NoSQL: 2 years (Required) Location: Kolkata, West Bengal (Preferred) Work Location: In person
We are looking for a highly skilled Backend Developer with extensive experience in MongoDB and ExpressJS . The ideal candidate should have a deep understanding of MongoDB , including writing raw queries , optimizing performance, and managing large-scale databases. Additionally, they should have a strong grasp of ExpressJS for building scalable and efficient backend applications. Key Responsibilities: Design, develop, and maintain backend services using Node.js and ExpressJS . Write raw MongoDB queries for complex data retrieval and manipulation. Optimize database performance, indexing, and query execution. Develop and integrate RESTful APIs with frontend applications. Implement authentication and authorization mechanisms. Collaborate with frontend developers and other stakeholders to ensure seamless integration. Ensure high availability, scalability, and security of backend systems. Perform code reviews, debugging, and troubleshooting to maintain code quality. Stay updated with the latest trends and best practices in backend development. Required Skills: MongoDB: Deep expertise in database design, indexing, aggregation, and raw queries. ExpressJS: Strong understanding of middleware, routing, and API development. Node.js: Proficiency in asynchronous programming and event-driven architecture. RESTful APIs: Experience in designing and implementing scalable APIs. Authentication & Security: Knowledge of JWT, OAuth, and other security protocols. Version Control: Experience with Git and collaborative development workflows. Performance Optimization: Ability to optimize queries and backend processes for efficiency. Preferred Skills: Experience with Docker, Kubernetes , and cloud platforms like AWS/GCP . Familiarity with GraphQL and microservices architecture. Knowledge of CI/CD pipelines for automated deployments. Job Types: Full-time, Permanent Pay: ₹840,000.00 - ₹1,300,000.00 per year Benefits: Health insurance Paid sick time Paid time off Provident Fund Location Type: In-person Schedule: Day shift Monday to Friday Weekend availability Ability to commute/relocate: Kolkata, West Bengal: Reliably commute or planning to relocate before starting work (Required) Education: Bachelor's (Preferred) Experience: Back-end development: 5 years (Required) MongoDB: 4 years (Required) Express.js: 4 years (Required) Node.js: 3 years (Required) APIs: 3 years (Required) Location: Kolkata, West Bengal (Preferred) Work Location: In person
Job Title: Backend Developer Location: Kolkata, West Bengal (or specify remote/hybrid options) Experience: 5+ years Job Summary: We are seeking a highly skilled Backend Developer with extensive experience in PostgreSQL and database architecture. The ideal candidate will be proficient in building scalable and efficient backend systems using ExpressJS. You will work closely with our development team to optimize databases, enhance application performance, and create robust backend solutions. Key Responsibilities: Design, develop, and maintain backend services using ExpressJS . Architect, optimize, and manage PostgreSQL databases for high performance and scalability. Implement database schemas , indexing strategies, and query optimizations. Collaborate with frontend developers and stakeholders to ensure seamless integration of backend services. Develop RESTful APIs and integrate third-party services. Ensure security best practices , including authentication and authorization. Perform code reviews , troubleshoot bugs, and optimize backend performance. Maintain documentation and participate in team discussions on system architecture. Requirements: 5+ years of experience in backend development. Expertise in PostgreSQL , including query optimization, replication, and indexing. Strong understanding of database architecture and relational database design principles. Proficiency in ExpressJS and Node.js.. Experience with cloud platforms (AWS, GCP, or Azure) is a plus. Familiarity with containerization (Docker, Kubernetes) and CI/CD processes. Knowledge of Git , testing frameworks, and Agile development methodologies. Ability to work independently and collaborate effectively in a team. Preferred Qualifications: Experience with microservices architecture. Exposure to caching mechanisms like Redis. Strong problem-solving skills and analytical thinking. Job Types: Full-time, Permanent Pay: ₹840,000.00 - ₹1,300,000.00 per year Benefits: Health insurance Paid sick time Paid time off Provident Fund Location Type: In-person Schedule: Day shift Monday to Friday Weekend availability Ability to commute/relocate: Kolkata, West Bengal: Reliably commute or planning to relocate before starting work (Required) Education: Bachelor's (Preferred) Experience: Back-end development: 5 years (Required) Express.js: 4 years (Required) Node.js: 3 years (Required) APIs: 3 years (Required) PostgreSQL: 4 years (Required) Location: Kolkata, West Bengal (Preferred) Work Location: In person
Job Title: Backend Developer Location: Kolkata, West Bengal (or specify remote/hybrid options) Experience: 5+ years Job Summary: We are seeking a highly skilled Backend Developer with extensive experience in PostgreSQL and database architecture. The ideal candidate will be proficient in building scalable and efficient backend systems using ExpressJS. You will work closely with our development team to optimize databases, enhance application performance, and create robust backend solutions. Key Responsibilities: Design, develop, and maintain backend services using ExpressJS . Architect, optimize, and manage PostgreSQL databases for high performance and scalability. Implement database schemas , indexing strategies, and query optimizations. Collaborate with frontend developers and stakeholders to ensure seamless integration of backend services. Develop RESTful APIs and integrate third-party services. Ensure security best practices , including authentication and authorization. Perform code reviews , troubleshoot bugs, and optimize backend performance. Maintain documentation and participate in team discussions on system architecture. Requirements: 5+ years of experience in backend development. Expertise in PostgreSQL , including query optimization, replication, and indexing. Strong understanding of database architecture and relational database design principles. Proficiency in ExpressJS and Node.js.. Experience with cloud platforms (AWS, GCP, or Azure) is a plus. Familiarity with containerization (Docker, Kubernetes) and CI/CD processes. Knowledge of Git , testing frameworks, and Agile development methodologies. Ability to work independently and collaborate effectively in a team. Preferred Qualifications: Experience with microservices architecture. Exposure to caching mechanisms like Redis. Strong problem-solving skills and analytical thinking. Job Types: Full-time, Permanent Pay: ₹840,000.00 - ₹1,300,000.00 per year Benefits: Health insurance Paid sick time Paid time off Provident Fund Location Type: In-person Schedule: Day shift Monday to Friday Weekend availability Ability to commute/relocate: Kolkata, West Bengal: Reliably commute or planning to relocate before starting work (Required) Education: Bachelor's (Preferred) Experience: Back-end development: 5 years (Required) Express.js: 4 years (Required) Node.js: 3 years (Required) APIs: 3 years (Required) PostgreSQL: 4 years (Required) Location: Kolkata, West Bengal (Preferred) Work Location: In person
Job Title: Backend Developer Location: Kolkata, West Bengal Experience: 5+ years Job Summary: We are seeking a highly skilled Backend Developer with extensive experience in PostgreSQL and database architecture. The ideal candidate will be proficient in building scalable and efficient backend systems using ExpressJS. You will work closely with our development team to optimize databases, enhance application performance, and create robust backend solutions. Key Responsibilities: Design, develop, and maintain backend services using ExpressJS . Architect, optimize, and manage PostgreSQL databases for high performance and scalability. Implement database schemas , indexing strategies, and query optimizations. Collaborate with frontend developers and stakeholders to ensure seamless integration of backend services. Develop RESTful APIs and integrate third-party services. Ensure security best practices , including authentication and authorization. Perform code reviews , troubleshoot bugs, and optimize backend performance. Maintain documentation and participate in team discussions on system architecture. Requirements: 5+ years of experience in backend development. Expertise in PostgreSQL , including query optimization, replication, and indexing. Strong understanding of database architecture and relational database design principles. Proficiency in ExpressJS and Node.js.. Experience with cloud platforms (AWS, GCP, or Azure) is a plus. Familiarity with containerization (Docker, Kubernetes) and CI/CD processes. Knowledge of Git , testing frameworks, and Agile development methodologies. Ability to work independently and collaborate effectively in a team. Preferred Qualifications: Experience with microservices architecture. Exposure to caching mechanisms like Redis. Strong problem-solving skills and analytical thinking. NOTE: We take intensive coding round in our interview process with complex query building. So, please if you are not confident and expert on it, do not apply. Job Types: Full-time, Permanent Pay: ₹1,000,000.00 - ₹1,400,000.00 per year Benefits: Health insurance Paid sick time Paid time off Provident Fund Location Type: In-person Schedule: Day shift Monday to Friday Weekend availability Ability to commute/relocate: Kolkata, West Bengal: Reliably commute or planning to relocate before starting work (Required) Education: Bachelor's (Preferred) Experience: Back-end development: 5 years (Required) Express.js: 4 years (Required) Node.js: 3 years (Required) APIs: 3 years (Required) PostgreSQL: 4 years (Required) Location: Kolkata, West Bengal (Preferred) Work Location: In person
Job Title: Backend Developer Location: Kolkata, West Bengal Experience: 5+ years Job Summary: We are seeking a highly skilled Backend Developer with extensive experience in PostgreSQL and database architecture. The ideal candidate will be proficient in building scalable and efficient backend systems using ExpressJS. You will work closely with our development team to optimize databases, enhance application performance, and create robust backend solutions. Key Responsibilities: Design, develop, and maintain backend services using ExpressJS . Architect, optimize, and manage PostgreSQL databases for high performance and scalability. Implement database schemas , indexing strategies, and query optimizations. Collaborate with frontend developers and stakeholders to ensure seamless integration of backend services. Develop RESTful APIs and integrate third-party services. Ensure security best practices , including authentication and authorization. Perform code reviews , troubleshoot bugs, and optimize backend performance. Maintain documentation and participate in team discussions on system architecture. Requirements: 5+ years of experience in backend development. Expertise in PostgreSQL , including query optimization, replication, and indexing. Strong understanding of database architecture and relational database design principles. Proficiency in ExpressJS and Node.js.. Experience with cloud platforms (AWS, GCP, or Azure) is a plus. Familiarity with containerization (Docker, Kubernetes) and CI/CD processes. Knowledge of Git , testing frameworks, and Agile development methodologies. Ability to work independently and collaborate effectively in a team. Preferred Qualifications: Experience with microservices architecture. Exposure to caching mechanisms like Redis. Strong problem-solving skills and analytical thinking. NOTE: We take intensive coding round in our interview process with complex query building. So, please if you are not confident and expert on it, do not apply. Job Types: Full-time, Permanent Pay: ₹1,000,000.00 - ₹1,400,000.00 per year Benefits: Health insurance Paid sick time Paid time off Provident Fund Location Type: In-person Schedule: Day shift Monday to Friday Weekend availability Ability to commute/relocate: Kolkata, West Bengal: Reliably commute or planning to relocate before starting work (Required) Education: Bachelor's (Preferred) Experience: Back-end development: 5 years (Required) Express.js: 4 years (Required) Node.js: 3 years (Required) APIs: 3 years (Required) PostgreSQL: 4 years (Required) Location: Kolkata, West Bengal (Preferred) Work Location: In person
We are seeking a highly motivated and detail-oriented Business Analyst / Data Research Associate with a background in data mining and excellent communication skills. The ideal candidate will have at least 2 years of relevant experience in researching, gathering, and organizing data from multiple sources, along with a proven ability to present insights clearly and effectively. This is a full-time night shift role based in Kolkata, supporting our international operations. Key Responsibilities: Conduct extensive web research and data mining from various public and private sources. Extract, clean, and validate data to ensure accuracy and relevance. Compile data in structured formats (Excel, Google Sheets, internal databases). Analyze datasets to identify patterns, trends, and actionable insights. Maintain and update records, reports, and documentation as required. Communicate findings effectively to internal teams or clients as needed. Collaborate with cross-functional teams to understand project goals and deliverables. Ensure timely delivery of high-quality data under tight deadlines. Required Skills & Qualifications: Minimum 2 years of experience in data mining, internet research, or similar fields. Proficiency in tools such as Excel, Google Sheets, and web scraping tools (bonus if familiar with Python, SQL, or similar). Strong analytical and critical thinking skills. Good written and verbal communication skills in English. Ability to work independently with minimal supervision. Comfortable working in a night shift to support US/international operations. Bachelor’s degree in any discipline (preferred in Computer Science, Information Science, Statistics, or related fields). Nice to Have: Experience with CRM platforms (e.g., Salesforce, Zoho). Familiarity with business data platforms like LinkedIn, Crunchbase, or ZoomInfo. Basic understanding of data visualization tools (Power BI, Tableau). What We Offer: Competitive salary and night shift allowances. Professional development and learning opportunities. A collaborative and inclusive work culture. Modern infrastructure and tools to support your work. Job Location: Kolkata Job Types: Full-time, Permanent Pay: ₹25,000.00 - ₹35,000.00 per month Benefits: Health insurance Paid sick time Paid time off Provident Fund Ability to commute/relocate: Kolkata, West Bengal: Reliably commute or planning to relocate before starting work (Required) Application Question(s): Why do you consider yourself to be an appropriate fit for the position? What is your current/previous monthly salary without incentives? What is your expected monthly Salary? Education: Bachelor's (Preferred) Experience: Market analysis: 2 years (Required) Data analysis skills: 2 years (Required) Microsoft Excel: 2 years (Required) Location: Kolkata, West Bengal (Required) Shift availability: Night Shift (Required) Work Location: In person
This is a full-time on-site role for a Lead Flutter Engineer at Piston located in Kolkata. As the Lead Flutter Engineer, you will be responsible for developing and maintaining mobile applications using Flutter. Collaborating with cross-functional teams will be a key aspect of your role, along with leading and mentoring junior engineers. Ensuring the technical feasibility of UI/UX designs will also be part of your responsibilities. Your qualifications should include a strong proficiency in Flutter development and mobile application development. Experience in leading and mentoring engineering teams is required. Proficiency in UI/UX design principles, knowledge of software architecture and design patterns, and experience with testing and debugging mobile applications are necessary. Excellent problem-solving and analytical skills are expected. A Bachelor's degree in Computer Science, Engineering, or a related field is required. Experience with native Android or iOS development is a plus. This position is in the Financial Services industry and is a full-time, permanent role. The benefits include health insurance, paid sick time, paid time off, and Provident Fund. The work schedule is on a day shift from Monday to Friday. You should be able to reliably commute or plan to relocate to Kolkata, West Bengal before starting work. The preferred education level is a Bachelor's degree, and the required experience includes 3 years with APIs, 4 years with Flutter, and 2 years with NoSQL. The work location is in person at Kolkata, West Bengal.,