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Senior Node.js Developer (Express.js / Nest.js) – PostgreSQL

World e mart Pvt Ltd
Full Timesenior
Kerala, INPosted March 5, 2026

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Node.jsExpressAWSDockerPostgreSQLRedisGitRESTDevOpsMicroservicesAPISaaS

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Job Description

Role Overview

We are hiring an Experienced Developer with strong expertise in Node.js, Express.js / Nest.js, and PostgreSQL to build and scale high-performance backend systems.

This role focuses purely on backend architecture, API development, database optimization, and scalable system design. We are looking for someone who writes production-grade backend code — not basic CRUD-level implementations.

You will work closely with frontend and DevOps teams to ensure secure, efficient, and scalable services powering our SaaS platform.

Key Responsibilities

  • Design and develop scalable backend services using Node.js
  • Build structured and secure REST APIs
  • Optimize PostgreSQL queries, indexing, and database performance
  • Implement authentication and authorization (JWT, role-based access)
  • Design modular and maintainable backend architecture
  • Handle database migrations and schema planning
  • Improve system performance, caching, and scalability
  • Write clean, testable, and production-ready code
  • Collaborate with frontend and infrastructure teams

Mandatory Technical Skills

  • 5+ years of backend development experience
  • Strong hands-on experience in Node.js
  • Experience with Express.js and/or Nest.js
  • Advanced PostgreSQL knowledge (indexes, joins, transactions, optimization)
  • Experience building scalable REST APIs
  • Strong understanding of asynchronous programming
  • Git workflow and version control discipline
  • Experience working in production environments

Nice to Have

  • Redis or caching strategies
  • Microservices architecture
  • Docker knowledge
  • AWS deployment experience
  • Experience handling high-traffic systems

Ideal Candidate Profile

  • Strong backend architecture mindset
  • Writes structured and scalable code
  • Understands performance and database optimization deeply
  • Takes ownership of backend systems
  • Proactive and solution-oriented

Job Types: Full-time, Permanent

Pay: ₹45,000.00 - ₹85,000.00 per month

Experience

  • Node.js Developer (Express.js / Nest.js) – PostgreSQL: 5 years (Required)

Work Location: In person

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