Senior Backend Developer – Node.js & Next.js

Senior Backend Developer – Node.js & Next.js

Contact : kiruthiga@ztshr.com / 9940999250

Location: Taramani, Chennai

Experience: 8+ years in backend development, including 5+ years with production Node.js

Department: Product Engineering

Employment Type: Full-time, On-site

Job Summary

We are hiring a Senior Backend Developer with strong Node.js and Next.js experience to build secure, scalable backend services for AI-enabled and enterprise applications. The role includes API development, database optimisation, system performance and mentoring developers.

Key Responsibilities

• Design, develop and maintain backend services and REST/GraphQL APIs using Node.js.
• Build services using Express, NestJS or similar frameworks.
• Develop Next.js API routes, server-side rendering, incremental static regeneration and middleware.
• Design and optimise PostgreSQL, MongoDB and Redis data stores.
• Manage database migrations, indexing and query performance.
• Implement JWT, OAuth2, role-based access control and input validation.
• Integrate third-party platforms and internal AI/ML services.
• Build webhook, message queue and event-driven workflows.
• Improve performance through profiling, caching, rate limiting and service scaling.
• Write tested, documented code and conduct code reviews.
• Collaborate on containerised deployments, CI/CD and service monitoring.
• Mentor developers and contribute to architectural decisions.

Required Skills and Qualifications

• 8+ years of backend development experience, including 5+ years of production Node.js.
• Strong hands-on Next.js experience in production.
• Expertise in TypeScript, asynchronous programming and API design.
• Strong PostgreSQL skills and experience with at least one NoSQL database.
• Experience with microservices or modular monoliths, message queues and Redis caching.
• Knowledge of OWASP security practices, unit/integration testing and Git workflows.
• Experience with CI/CD pipelines.

Preferred Skills

• Experience handling sensitive healthcare or financial data.
• AI/LLM API integrations, vector databases or chatbot backends.
• Docker, Kubernetes and a major cloud platform.
• Strong system design skills or open-source contributions.

Pay: ₹1,038,000.00 - ₹2,040,000.00 per year

Work Location: In person