Senior Fullstack Developer (MERN)

Indus Net Technologies Ltd; Kolkata District; On-site; INR 1,200,000 - 2,400,000; Full time

Job summary

Indus Net Technologies Ltd is seeking a Senior MERN Stack Developer to design, develop, and optimize scalable web apps, APIs, and microservices using Node.js, React, and MongoDB. You will lead technical efforts and mentor teammates.

You will collaborate with cross-functional teams, implement CI/CD, Docker/Kubernetes, and cloud deployments on AWS/Azure/GCP, while ensuring code quality, performance, and robust security.

Qualifications

• 5+ years of professional experience in full-stack or backend development.
• Strong expertise in Node.js (primary skill) with Express.js or Nest.js frameworks.
• Proficiency in MongoDB (schema design, aggregation, performance tuning).
• Hands-on experience with React.js for building frontend applications.
• Good understanding of JavaScript (ES6+), TypeScript is a plus.
• Experience with cloud platforms (AWS, Azure, or GCP).
• Knowledge of containerization and orchestration (Docker, Kubernetes).
• Familiarity with microservices architecture and event-driven systems (Kafka/RabbitMQ).
• Strong understanding of Git, CI/CD pipelines, and Agile methodologies.

Responsibilities

• Lead the design, development, and deployment of scalable backend services using Node.js.
• Build and maintain RESTful and GraphQL APIs, ensuring performance, security, and scalability.
• Collaborate with frontend developers on React.js and integration with backend services.
• Work with MongoDB and other databases to design efficient schemas and optimize queries.
• Implement cloud-native, containerized solutions (Docker/Kubernetes preferred).
• Ensure best practices in coding, testing, CI/CD, and application performance optimization.
• Mentor junior developers and conduct code reviews to maintain coding standards.
• Troubleshoot production issues and implement long-term fixes.
• Stay updated with the latest technologies and suggest improvements to existing architecture.

Skills

Node.js

Express.js

Nest.js

React.js

MongoDB

JavaScript

TypeScript

GraphQL

REST APIs

CI/CD

Git

Agile

Tools

Docker

Kubernetes

AWS

Azure

GCP

Prometheus

Grafana

Job description

About the Role

We are looking for a highly skilled Senior MERN Stack Developer with strong expertise in Node.js as the primary skill set. The ideal candidate will be responsible for designing, developing, and optimizing scalable web applications, APIs, and microservices. You will work closely with cross-functional teams to deliver high-quality solutions and provide technical leadership within the team.

Key Responsibilities

Lead the design, development, and deployment of scalable backend services using Node.js.

Build and maintain RESTful and GraphQL APIs, ensuring performance, security, and scalability.

Collaborate with frontend developers on React.js and integration with backend services.

Work with MongoDB and other databases to design efficient schemas and optimize queries.

Implement cloud-native, containerized solutions (Docker/Kubernetes preferred).

Ensure best practices in coding, testing, CI/CD, and application performance optimization.

Mentor junior developers and conduct code reviews to maintain coding standards.

Troubleshoot production issues and implement long-term fixes.

Stay updated with the latest technologies and suggest improvements to existing architecture.

Required Skills & Experience

5+ years of professional experience in full-stack or backend development.

Strong expertise in Node.js (primary skill set) with Express.js or Nest.js frameworks.

Proficiency in MongoDB (schema design, aggregation, performance tuning).

Hands-on experience with React.js for building frontend applications.

Good understanding of JavaScript (ES6+), TypeScript is a plus.

Experience with cloud platforms (AWS, Azure, or GCP).

Knowledge of containerization and orchestration (Docker, Kubernetes).

Familiarity with microservices architecture and event-driven systems (Kafka/RabbitMQ).

Strong understanding of Git, CI/CD pipelines, and Agile methodologies.

Good to Have

Experience with Next.js or SSR frameworks.

Knowledge of testing frameworks (Jest, Mocha, Cypress).

Exposure to DevOps practices and monitoring tools (Prometheus, Grafana, ELK).

Soft Skills

Strong problem-solving and debugging skills.

Ability to work independently as well as in a collaborative environment.

Effective communication and leadership skills.

Passion for writing clean, maintainable, and scalable code.