Full Stack

Job Title - MERN Stack Developer

Experience Range – 3 to 6 Years

Location- Mumbai (Andheri East)

Mode- 5 Days working from office

Some specific Requirements:

• You have prior experience developing and working on consumer-facing web/app products
• Hands-on experience in JavaScript. Exceptions can be made if you’re really good at any other language with experience in building web/app-based tech products
• Expertise in Node.JS and Experience in at least one of the following frameworks - Express.js, Koa.js, Socket.io .
• Good knowledge of async programming using Callbacks, Promises, and Async/Await
• Hands-on experience with Frontend codebases using HTML, CSS, and AJAX
• Working knowledge of MongoDB, Redis, MySQL
• Good understanding of Data Structures, Algorithms, and Operating Systems
• You've worked with AWS services in the past and have experience with EC2, ELB, AutoScaling, CloudFront, S3
• Experience with Frontend Stack would be added advantage (HTML, CSS)
• You might not have experience with all the tools that we use but you can learn those given the guidance and resources
• Experience in Vue.js would be plus

MERN Stack Developer

Location: Surat, Gujarat (No WFH )

Job Summary:

We are looking for a Full Stack Developer (MERN) with hands-on experience in building highly scalable, performance-driven applications. The ideal candidate should have a deep understanding of both front-end and back-end development, microservices, and database optimization for large-scale systems. You will be responsible for designing, developing, and maintaining applications that can handle high concurrency (1,000+ active users) while ensuring performance, reliability, and scalability.

This role involves working closely with cross-functional teams — including product managers, designers, and DevOps engineers — to deliver cutting-edge, enterprise-grade solutions.

Roles & Responsibilities:

• Design and develop scalable and distributed web applications using the MERN stack (MongoDB, Express.js, React/Next.js, Node.js).
• Build and optimize RESTful APIs for high-performance, concurrent environments.
• Architect and manage MongoDB databases, ensuring high availability, efficient query performance, and scalability.
• Implement queueing systems (e.g., BullMQ, RabbitMQ, Kafka, or Redis Queues) for background jobs and asynchronous processing.
• Optimize server and client performance to support real-time data updates and high concurrent user loads.
• Collaborate with DevOps to improve deployment pipelines, containerization (Docker), and cloud scalability.
• Conduct thorough testing, profiling, and debugging to identify performance bottlenecks and optimize both code and infrastructure.
• Participate in code reviews, architecture discussions, and sprint planning to ensure technical excellence and scalability across all layers.

Qualification / Requirements:

• Bachelor’s degree in Computer Science, Engineering, or related field (or equivalent experience).
• 1 + years of hands-on experience in full-stack development using the MERN stack.
• Proven experience working on applications supporting 1,000+ concurrent users or large-scale distributed systems.
• Strong expertise in:
• Node.js (asynchronous programming, clustering, performance optimization)
• Next.js & React.js (SSR, CSR, and dynamic rendering)
• MongoDB (aggregation pipelines, indexing, schema design for scalability)
• Practical experience with message queues (BullMQ, RabbitMQ, Kafka, or Redis Streams).
• Familiarity with caching mechanisms (Redis, Memcached) to optimize performance.
• Experience with Docker and microservices-based architectures is a plus.
• Good understanding of API design, authentication mechanisms (JWT, OAuth), and security best practices.
• Experience working in Agile environments and using Git-based version control.

Nice to Have:

• Exposure to serverless computing (AWS Lambda).
• Experience with monitoring tools (New Relic, Datadog, ELK Stack).
• Knowledge of CI/CD pipelines and automated deployment workflows.
• Experience in real-time communication (WebSockets, Socket.io).

We are looking for a Full Stack Engineer for a client of ours, that is headquartered in USA and is operating in the field of health tech space, offering an innovative solution for dominate health issues. The company is well funded and backed by investors like Sequoia Capital.

They are looking for people who are interested to join their company and help them make an impact on their product development and growth.

In this role you will be part of the Product Engineering Team, and will be responsible for working with cross functional teams.

Experience Required

5+ years experience, having worked on both frontend and backend development - hands on development experience from front end, middle tier and back end.

3+ years of experience building Restful web service using node.js

3+ years of experience for writing batch/cron jobs using Python and shell scripting

3+ years of experience in web application development using javascript and ReactJs

Have understanding of javascript, Typescript, HTML, CSS, JSON, Rest based applications

Experience in database techs - mongodb, mysql, redis, elastic search

Experience of building applications deployed on the cloud using AWS, Docker and kubernetes

Good to have : - understanding of code versioning tools like Git

Experience or understanding of JS based build tools like Grunt, Gulp, Bower, Webpack and NPM

Good communication, willingness to work in a diverse team, and a fast paced environment would be a requirement to be successful in this role.

Education Experience

Degree in Computer science would be preferred / equivalent professional experience in product companies.

• Plan, architect, integrate, and develop back-end and database driven features using the Python language and frameworks (Flask/ Falcon, MongoDB ).
• Create decoupled, interactive web UIs using JavaScript (Angular, jQuery)
• Aid in the development and ongoing maintenance of our DevOps platform (Ansible)
• Provide technical advice and recommendations for language and software choices.
• Develop code that is cross-browser and cross-platform friendly
• Collaborate with project stakeholders to ensure all requirements are met
• Evaluate technologies and manage technical planning
• Support and ongoing development for existing projects
• Provide clean code and proper documentation for each project
• Fix bugs and resolve ongoing issues

You’re Awesome at:

• Excellent communication skills (Verbal & Written)
• Great understanding of JavaScript
• Excellent hands-on programming experience of NodeJS/Express/SailsJS
• Excellent hands-on programming experience of React/Angular/Meteor/VueJS
• Good understanding of RESTful API development
• Good knowledge of TDD (Test Driven Development)
• Good understanding of MongoDb/mysql/postgres
• Good understanding of AGILE - SCRUM
• Good understanding of GitHUB, SVN
• Experience with designing of overall architecture of the application
• Good understanding of Web Securities and how to implement in application
• Hand-on designing and implementing robust and scalable web service/api
• Hand-on application deployment and cloud platform such AWS/Heroku/GoogleCloud
• Understanding of the Software Development Life cycle

About You:

We are looking for a candidate with 3 years of experience in mobile app development. Must have done at least 4 projects in react native. In this position you’ll be working with technologies like React Native, Redux, RX Observables, Type Script etc.

Skills & Qualifications:

- Good mobile app development experience (3 years)

- Strong knowledge of React Native(2+ years)

- Strong Javascript knowledge

- Strong attention to detail in UX & interactions

- Familiar with different tools Sentry, Bitrise, Hockeyapp, ESLint

- Familiar with Javascript ES6/ES7

- Experience with HTML/CSS(SAAS/LESS)

- Experience integrating REST APIs.

- Good knowledge of Git, Gitlab/bitbucket/Github etc.

- Familiarity with Redux