Senior Full Stack (MERN Stack) Developer )

Jobitus; Kolkata District; On-site; INR 1,500,000 - 2,200,000; Full time

Job summary

Jobitus in Kolkata seeks a Senior Full Stack (MERN Stack) Developer to design, develop, and maintain scalable web applications using MongoDB, Express.js, React, and Node.js.

This role requires leadership, mentoring of juniors, and collaboration with product managers and designers to deliver robust APIs, optimize performance, and adopt modern web technologies.

Qualifications

• Bachelor’s or Master’s degree in Computer Science, Engineering, or related field.
• 5+ years of full-stack development experience, with at least 3 years in MERN stack.
• Proficient in MongoDB, Express.js, React.js, and Node.js.
• Experience with Git, CI/CD pipelines, and Agile methodologies.

Responsibilities

• Design and develop scalable MERN web applications.
• Collaborate with product managers, designers, and other developers.
• Architect and implement RESTful APIs and integrate third-party services.
• Optimize applications for speed and scalability.
• Mentor junior developers and conduct code reviews.
• Troubleshoot and debug across the stack.
• Stay updated with emerging technologies and propose system improvements.

Skills

MERN stack

Full-stack development

Git

CI/CD

Agile

Node.js

React.js

Express.js

MongoDB

Education

Bachelor’s or Master’s degree in Computer Science/Engineering

Tools

Docker

Kubernetes

AWS

Azure

GCP

Job description

Job Title: Senior Full Stack (MERN Stack) Developer

Job Summary:
We are seeking a highly experienced and motivated Senior Full Stack (MERN Stack)
Developer to work with the development of scalable web applications. You will be responsible
for designing, developing, and maintaining full-stack solutions using MongoDB, Express.js,
React, and Node.js. This role requires strong leadership, problem-solving skills, and a deep
understanding of modern web technologies.

Key Responsibilities:

• Design and development of robust, scalable, and secure web applications using the
  MERN stack.
• Collaborate with cross-functional teams including product managers, designers, and
  other developers.
• Architect and implement RESTful APIs and integrate third-party services.
• Optimize applications for maximum speed and scalability.
• Mentor junior developers and conduct code reviews to ensure best practices.
• Troubleshoot and debug issues across the stack.
• Stay updated with emerging technologies and propose improvements to existing
  systems.

Required Skills & Qualifications:

• Bachelor’s or Master’s degree in Computer Science, Engineering, or related field.
• 5+ years of experience in full-stack development with at least 3 years in MERN stack.
• Strong proficiency in:
• o MongoDB – schema design, aggregation, performance tuning.
• o Express.js – middleware, routing, API development.
• o React.js – hooks, state management (Redux or Context API), component
  lifecycle.
• o Node.js – asynchronous programming, event-driven architecture.
• Experience with Git, CI/CD pipelines, and Agile methodologies.
• Excellent problem-solving and communication skills.

Preferred Skills:

• Experience with cloud platforms like AWS, Azure, or GCP.
• Knowledge of containerization tools (Docker, Kubernetes).
• Exposure to microservices architecture.