MERN Stack Developer

Job Title: Full-Stack MERN Developer (5–8 Years Experience)

Location: Borivali, Mumbai (Onsite)

Experience: 6–8 Years

Joining: Immediate Joiners

Employment Type: Full-time

Job Overview

We are looking for an experienced Full-Stack MERN Developer to join our engineering team in Borivali, Mumbai. The ideal candidate should have strong hands-on experience building scalable web applications using React, Node.js, Express, and MongoDB, with a solid understanding of REST APIs, microservices architecture, performance optimization, and cloud infrastructure.

You will work on consumer-facing applications, handle large datasets, and contribute to building reliable, high-performance systems.

Key Responsibilities

• Design, develop, and maintain full-stack web applications using MERN stack
• Build scalable and secure RESTful APIs and backend services using Node.js & Express
• Develop reusable and high-performance React components with proper state management
• Implement microservices-based architecture and inter-service communication
• Optimize application performance at both frontend and backend levels
• Work with MongoDB for data modeling, indexing, and performance tuning
• Handle large datasets efficiently and ensure system reliability
• Implement logging, tracing, and monitoring for production-ready applications
• Collaborate with product, frontend, backend, and DevOps teams
• Write clean, maintainable, and well-documented code

Technical Requirements

Backend

• Strong hands-on experience with Node.js & Express.js
• Expertise in building REST APIs and backend business logic
• Strong understanding of async programming (Callbacks, Promises, Async/Await)
• Experience with microservices architecture
• Hands-on experience with MongoDB (Expert level)
• Working knowledge of PostgreSQL / MySQL
• Experience with Kafka or other message queue systems
• Familiarity with Bull / job schedulers

Frontend

• Strong experience with React.js
• Hands-on experience with state management (Redux, Context API, or similar)
• Good understanding of HTML, CSS, AJAX
• Experience with performance optimization techniques in React

Infrastructure & Cloud

• Experience with Docker and Kubernetes (K8s)
• Hands-on exposure to AWS services such as EC2, S3, ELB, AutoScaling, CloudFront
• Understanding of CI/CD pipelines is a plus

Core Computer Science

• Good understanding of Data Structures & Algorithms
• Solid knowledge of Operating Systems fundamentals

Good to Have

• Experience with Redis for caching
• Exposure to Vue.js
• Experience working on consumer-facing web or app products
• Strong debugging and problem-solving skills
• Familiarity with application monitoring tools (logs, metrics, tracing)

What We’re Looking For

• Strong problem-solving mindset and ownership attitude
• Ability to learn new tools and technologies quickly
• Comfortable working in fast-paced, production-driven environments
• Immediate or short-notice joiners preferred

About the Company

Our client is a leading manufacturer of TMT Bar and exporter in India. They are a well known group that achieves a turn over of 3000 Cr per annum. The group is setting a construction & architecture oriented omni channel B2B & B2C platform. Merito, a curated talent platform is responsible to identify key resources for this project.

Job Location: Kolkata

Job Description

• Full stack e-commerce developer is responsible for writing reusable, testable, and efficient code
• Design and implementation of low-latency, high-availability, and performance applications 
• Implementation of security and data protection 
• Understanding of performance testing and optimization techniques 
  
  

Requirements

• Fullstack developer should have the ability to translate Wireframes and PSD Designs into functional web apps.
• Binding of UI elements to JavaScript object models
• Creating RESTful services with Node.js
• Fullstack developer must have proven experience in front & back-end development
• Work in a cross-functional team to deliver a complete user experience
• Reactjs Nodejs developer must know MongoDB, Express, Node.js, & React.
• Create Unit and Integration tests to ensure the quality of code
• Be responsive to change requests and feature requests
• Write code that is cross-platform and cross-device compatible
• Full developer must have the ability to wear many hats and learn new technologies quickly
• Understanding & proficiency in REST APIs.
• Fullstack developer should know Git Repository and Jira.

Clipboard Health - an alumnus of Y combinator is an online marketplace offering no-commitment staffing for healthcare facilities and on-demand shifts for healthcare professionals. Clipboard Health works with healthcare facilities such as hospitals, assisted living facilities, and rehab centers to provide on-demand nursing staff. Their mission is to enable healthcare professionals to work when they want, and where they want, and to enable healthcare facilities to get staff when they need it.

Tech stack: MERN (MongoDB, Express, React.js and Node.js)

• 4+ years experience in MERN stack
• Good communication skills
• Ability to work independently with minimum supervision.
• Excellent organization and problem-solving skills
• Hands-on experience in software development and agile methodologies
• Proven analytical and problem-solving capabilities

Responsibilities:

• Contribute at a senior level to the development process
• Own the product engineering lifecycle with the team
• Mentor team members at technical as well as career development level
• Manage developer allocations on tasks to best utilize time and resources
• Work with Product Managers and the team to ensure that commitments are met
• Contribute to the design and architecture of products

What will make you a great fit: 

• Startup experience
• Worked on products from scratch and built them to scale
• Proactive instead of reactive

Note:- This is a Remote Job. Apply only if you are willing to work with over lapping US time zones.

• 8+ years of industry work experience
• Proven experience as a Full Stack Developer or similar role
• 3+ years of web application development with JavaScript as full stack
• Full stack experience designing and building scalable applications from end-to-end 
• Excellent JavaScript / Typescript skills
• Strong proficiency in React (hooks knowledge is plus)
• Strong proficiency in Nodejs
• Good HTML5 / CSS3 skills with expertise on responsive web design 
• Must have Design and development experience in Micro services using NodeJS and TypeScript
• Experience with NoSQL databases such as MongoDB, mongoose, aggregation framework and Redis 
• Experience with Web sockets and related frameworks (e.g. Socket.IO) 
• Experience in using and developing GraphQL APIs
• Experience in performance tuning
• Knowledge of code versioning tools such as Git, Mercurial or SVN.
• Open minded to take up any challenge, research and provide solutions Great attention to detail

• Testing libraries – jest, testing-library is plus
• TDD / BDD experience is plus
• Experience with AWS, K8S, CI/CD is plus
• Familiar with SDLC methodologies like SCRUM, AGILE, Continuous Integration

• Design – Analyze, design & document the system / solution based on the business needs which is scalable, resilient and maintainable with low overhead for both client and server side
• Problem solving – Solve the challenges and problems faced by team by guiding and team with best practices
• Coordinate - Communicate system requirements to developers; explain system structure to them and provide assistance

• • Code Reviews – Perform code reviews 

• • Planning – Plan and assign tasks to team members

At Smart Audit, we rely on our dynamic team of engineers to solve the many challenges and puzzles that come with our rapidly evolving technical stack. We’re seeking a full-stack engineer who is ready to work with new technologies and architectures in a forward-thinking organization that’s always pushing boundaries. Here, you will take complete, end-to-end ownership of projects across the entire stack. Our ideal candidate has experience building products across the stack and a firm understanding of web frameworks, APIs, databases, and back end languages. You’ll be joining a small team working at the forefront of new technology, solving the challenges that impact both the front end and back end architecture, and ultimately, deliver amazing global user experiences.

What do we expect:

• Experience in MERN Stack
• Passion for learning & solving challenging problems
• Hands-on role and huge potential to grow
• Saas experience and design skills are a huge plus
• Creative thinking

• 3+ years of extensive experience in developing the Single Page Application with Web responsive design for mobile and web using Angularjs or Nodejs / React JS, HTML 5, CSS 3 and Bootstrap.
• Thorough understanding of React.js and its core principles.
• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
• Experience with common front-end development tools such as Babel, Webpack, NPM, yarn, etc.
• Node JS & software engineering experience
• Familiarity with newer specifications of EcmaScript (ES6)
• Knowledge of AWS services like Lambda, RDS and Dynamo
• Understanding of non-relational databases such as CouchDB and MongoDB
• Working experience with MySQL

What we are looking for?

• At least 3 years of experience of development on full-stack applications
• Experience with usage of NoSQL databases like MongoDB
• Familiarity with SQL and RDBMS Systems
• Experience in creating applications with NodeJS and MERN stack
• Experience with developing frontend interfaces using React framework
• Experience in creating responsive frontend applications
• Able to use versioning systems like Github or Gitlab
• Understanding of basic tools provided by AWS and their configuration
• Understanding of Unix bases operating systems, ability to configure them for optimum usage
• Experience in basic command-line utilities and shell scripting language
• Understanding of rest API implementation
• Ability to script quickly with Python for writing ad hoc jobs

What you will be working on?

• Leading a team of engineers
• Working on creating performant and fault-tolerant systems which are scalable
• Design, build and maintain high performance, reusable, and reliable Typescript code
• Effectively work with product to gather requirements, gain a deep understanding of use cases and business needs, and translate into design and implementation.
• Maintain code integrity and organization.
• Manage basic DevOps related to CI/CD
• Creating secure systems
• Lead other junior developers
• Define optimal and minimal architecture to achieve product requirements