
Node.js & React Developer
- Kolkata, West Bengal
- Permanent
- Full-time
- Develop, test, and maintain RESTful APIs and microservices using Node.js and Express.js.
- Build and optimize user-facing applications using React.js and related libraries.
- Integrate backend services with modern frontend frameworks for seamless user experiences.
- Write clean, maintainable, and efficient code following coding standards and best practices.
- Collaborate with product owners and designers to translate business requirements into technical solutions.
- Debug and resolve technical issues across the stack (frontend, backend, APIs, database).
- Ensure application security, scalability, and performance optimization.
- Participate in code reviews, unit testing, and CI/CD pipeline deployments.
- Document technical designs, workflows, and system architecture.
- Stay updated with the latest JavaScript/TypeScript frameworks, tools, and best practices.
- Strong in Node.js, Express.js, REST APIs.
- Proficiency in SQL – MySQL/PostgreSQL, and NoSQL – MongoDB and schema design.
- Hands-on experience with REST APIs, GraphQL, and WebSockets.
- Familiarity with IoT integrations, MQTT protocols, or shopfloor data capture (preferred).
- Hands-on with (Git/GitHub/GitLab), CI/CD, containerization (Docker/Kubernetes).
- Solid knowledge of HTML5, CSS3 and responsive design principles.
- Understanding of security & role-based access control.
- Clear documentation & version control discipline.
- Problem-solver: Loves breaking down shop floor pain points into tech solutions.
- Ownership: Doesn’t just code what’s asked but improves it.
- Team player: Collaborates with engineers, IT, and non-tech departments.
- Resilient: Can handle deadlines & production pressure.