Mern stack Engineer

Awign; Bengaluru Urban; On-site; INR 2,800,000 - 3,800,000; Full time

Job summary

Awign in Bangalore North, India is seeking an experienced MERN Stack Engineer with 8+ years of full-stack development experience to architect, develop, and maintain scalable, secure web applications using MongoDB, Express.js, React, and Node.js.

The role involves collaborating with product managers, designers, and engineers in an agile environment, building robust RESTful APIs, implementing JWT-based authentication, and mentoring junior developers while staying current with industry trends.

Qualifications

• Bachelor's degree in engineering required.
• 8+ years of hands-on MERN stack development experience.
• Expert-level proficiency in React.js, Node.js, Express.js, and MongoDB.
• Experience creating RESTful APIs; GraphQL is a plus.
• Familiarity with Git and Agile/Scrum methodologies.
• Knowledge of security best practices for web applications.
• Strong problem-solving and communication skills, able to work independently and in teams.
• Cloud and DevOps experience (AWS, Docker, CI/CD pipelines) is advantageous.

Responsibilities

• Develop and maintain full-stack web applications using the MERN stack (MongoDB, Express.js, React, Node.js).
• Design and implement responsive front-ends with React.
• Build secure server-side APIs using Node.js and Express.js.
• Design and optimize MongoDB schemas and queries for performance.
• Implement authentication and authorization using JWT and session management.
• Write clean, maintainable code and perform code reviews.
• Mentor junior developers and collaborate with UI/UX designers.
• Troubleshoot performance, reliability, and integrate third-party APIs and payment gateways.
• Participate in the full software development lifecycle and stay updated on industry trends.

Skills

React.js

Node.js

Express.js

MongoDB

RESTful APIs

GraphQL

JWT authentication

Git

Agile/Scrum

Security best practices

AWS

Docker

CI/CD pipelines

Education

Bachelor's degree in engineering (preferably Computer Science, Information Technology, or a related field.)

Tools

Git

AWS

Docker

CI/CD pipelines

Job description

Bangalore North, India | Posted on 10/28/2025

We are seeking an experienced MERN Stack Engineer with over 8 years of professional experience in full-stack web development using MongoDB, Express.js, React, and Node.js. The ideal candidate will be capable of architecting, developing, and maintaining scalable, performant, and secure web applications. You will work collaboratively with cross-functional teams including product managers, designers, and other engineers to deliver high-quality software solutions in an agile environment.

Key Responsibilities

• Develop and maintain full-stack web applications using the MERN stack (MongoDB, Express.js, React, Node.js).
  
• Design and implement responsive, user-friendly front-end interfaces using React.
  
• Build robust, scalable, and secure server-side applications and APIs using Node.js and Express.js.
  
• Design and optimize MongoDB schemas and queries for high performance.
  
• Implement user authentication, authorization using JWT and session management.
  
• Write clean, efficient, maintainable, and well-documented code following best practices.
  
• Perform code reviews and provide mentorship to junior developers.
  
• Collaborate with UI/UX designers to turn wireframes and mockups into functional web pages.
  
• Troubleshoot, debug, and optimize application performance and reliability.
  
• Integrate third-party APIs, payment gateways, and external services.
  
• Participate actively in the software development lifecycle including requirements gathering, testing, deployment, and maintenance.
  
• Stay updated on emerging technologies and industry trends to continuously improve development practices.
  

Required Skills

• Bachelor's degree in engineering (preferably Computer Science, Information Technology, or a related field.).
  
• 8+ years of hands-on experience in full-stack development with the MERN stack.
  
• Expert-level proficiency in React.js, Node.js, Express.js, and MongoDB.
  
• Experience creating RESTful APIs and working with GraphQL is a plus.
  
• Familiarity with version control systems such as Git.
  
• Experience with Agile/Scrum methodologies.
  
• Knowledge of security best practices for web applications, including authentication and authorization.
  
• Strong problem-solving skills, attention to detail, and ability to work independently and in collaborative teams.
  
• Excellent communication skills to interact effectively with team members and stakeholders.
  
• Cloud and DevOps experience (AWS, Docker, CI/CD pipelines) is advantageous.
  

Preferred Additional Experience

• Working in fast-paced development environments.
  
• Experience with container orchestration and serverless architectures.
  
• Writing automated tests using tools like Jest or Mocha.
  
• Familiarity with compliance and security standards relevant to industries such as FinTech, Banking and Financial Services