Senior Full Stack Developer -TechExtensor

Job Description – Senior Full Stack Developer (React + Node.js)

Experience: 6+ Years
Location: Onsite – Ahmedabad
Employment Type: Full-Time

About the Role

We are seeking a highly skilled Senior Full Stack Developer (React + Node.js) to join our onsite development team in Ahmedabad. The ideal candidate will have hands-on experience in building scalable, high-performance web applications using modern frontend and backend technologies.

Key Responsibilities
Frontend (React.js / Next.js)

Develop responsive UI components using React.js (Hooks, Context API, Redux Toolkit).

Build reusable, modular components and ensure cross-browser compatibility.

Integrate REST APIs and handle state management efficiently.

Implement performance optimization, SSR, and routing using Next.js (preferred).

Write unit tests using Jest/React Testing Library.

Backend (Node.js / Express.js / TypeScript)

Develop scalable backend services using Node.js and Express.js/Nest.js.

Build secure RESTful APIs and microservices architecture.

Work with MongoDB, PostgreSQL or MySQL, including designing schemas and writing complex queries.

Implement authentication and authorization using JWT/OAuth2.

Troubleshoot, optimize, and enhance backend performance.

Cloud & DevOps

Experience with AWS services (Lambda, S3, EC2, RDS, CloudWatch, ECS/EKS preferred).

Work with Docker, containerization, and CI/CD pipelines.

Integrate 3rd-party APIs and internal systems securely.

Technical Skills Required

Frontend: React.js, Redux Toolkit, Next.js, HTML5, CSS3, Tailwind/Bootstrap.

Backend: Node.js, Express.js/Nest.js, TypeScript, REST APIs, Microservices.

Database: MongoDB, PostgreSQL/MySQL, Prisma/Sequelize/Mongoose.

Cloud: AWS (preferred).

Tools: Git, Docker, Postman, Swagger.

Testing: Jest, Mocha, Cypress (good to have).

Strong understanding of system design, clean code principles, and scalable architecture.

Soft Skills

Strong analytical and problem-solving mindset.

Ability to collaborate with cross-functional teams.

Excellent verbal and written communication skills.

Ability to work independently and take ownership.

Mentoring experience is a plus.

Qualification

Bachelor’s/Master’s degree in Computer Science, Engineering, or a related field.

6+ years of hands-on experience in React & Node.js development.

Nice to Have

Experience with WebSockets/Socket.io.

Knowledge of GraphQL.

Familiarity with distributed systems and performance tuning.

Exposure to AI/ML-based integrations is a bonus.