11,836 Mern Stack Developer jobs in India

About the Role

We are seeking a talented MERN Stack Developer to architect and implement the backend infrastructure and APIs for a mobile multiplayer game. The focus will be on building real-time battling systems, matchmaking logic, and leaderboard functionality. You will be responsible for designing, coding, and optimizing APIs that ensure smooth player-versus-player (PvP) experiences, persistent progression tracking, and global ranking systems.

Key Responsibilities

• evelop and maintain RESTful and GraphQL APIs for multiplayer gameplay.

• B ild real-time matchmaking and battle synchronization APIs using Node.js, Express, and Socket.io/WebSockets.

• D sign and implement leaderboard APIs (global, regional, seasonal, friend-based).

• M nage player data persistence in MongoDB, including:

• P ayer profiles, teams, rosters

• M tch history and battle outcomes

• R nking and progression data

• E sure low-latency communication between clients and server during battles.

• C eate secure authentication and authorization APIs (JWT/OAuth2).

• I plement reward APIs tied to battle outcomes and leaderboard positions.

• D velop admin APIs for monitoring, analytics, and game balancing.

• W ite detailed API documentation for mobile team integration.

• M nitor, scale, and optimize backend systems for high concurrent player loads.

Required Skills & Qualifications

• S rong knowledge of JavaScript/TypeScript.

• H nds-on expertise in MERN stack (MongoDB, Express, React/React Native, Node.js).

• P oven experience with Socket.io/WebSockets for real-time communication.

• E perience in designing scalable RESTful/GraphQL APIs.

• U derstanding of game mechanics and multiplayer server architecture.

• P oficiency in MongoDB schema design and performance optimization.

• S rong grasp of security practices (rate limiting, API throttling, data validation, encryption).

• F miliarity with load balancing and cloud deployment (AWS, GCP, or Azure).

Preferred (Nice to Have)

• E perience with Elo/MMR ranking algorithms or custom matchmaking logic.

• F miliarity with microservices architecture and Docker/Kubernetes.

• K owledge of reward systems, battle pass integrations, and seasonal events.

• P ior work on real-time multiplayer mobile games.

Here’s a comprehensive list of APIs the developer would be expected to build for such a game 

1. Authentication & Player Profile APIs

2. Matchmaking APIs

3. Battle APIs

4. Leaderboard APIs

5. Ranking & Progression APIs

6. Rewards & Economy APIs

• 7. Admin & Analytics APIs

Job Title:
MERN Stack Developer

Experience:
3–5 Years

Location:
Okhla, New Delhi (Work from Office)

Company:
Mobiloitte Technologies

Joining Time:
Immediate joiners only

Salary Range
: upto 14 LPA (Depends upon Exp. And current Salary)

About Mobiloitte:

Mobiloitte Technologies is a full-stack development company specializing in Mobile, Web, Blockchain, AI, IoT, and Cloud solutions. With a strong focus on innovation, we deliver high-quality and scalable solutions to clients across industries including healthcare, fintech, edtech, gaming, and more.

Role Overview:

We are looking for a talented and passionate MERN Stack Developer
with 3–5 years of hands-on experience in building scalable web applications. The ideal candidate must be proficient in
MongoDB, , , and
, along with a strong understanding of REST APIs, deployment, and cloud environments.

Key Responsibilities:

· Develop, test, and deploy scalable web applications using the MERN stack.

· Design and implement RESTful APIs and integrate third-party services.

· Collaborate with designers, product managers, and other developers to deliver high-quality products.

· Optimize application performance for maximum speed and scalability.

· Write clean, maintainable, and reusable code following best practices.

· Troubleshoot, debug, and upgrade existing applications.

· Stay updated with emerging technologies and industry trends.

Required Skills & Qualifications:

· Bachelor's degree in Computer Science, IT, or related field.

· –5 years of proven experience as a MERN Stack Developer.

· Strong proficiency in:

· MongoDB (Database Design, Aggregation, Indexing)

·

· Hooks, Redux, Component Lifecycle)

· Asynchronous programming, Middleware, NPM)

· Hands-on experience with RESTful APIs, JSON, and third-party integrations.

· Proficiency in front-end technologies: HTML5, CSS3, JavaScript (ES6+).

· Experience with Git, version control, and Agile methodologies.

· Knowledge of deployment tools and cloud services (AWS, Azure, or GCP) is a plus.

Preferred Skills:

· Experience with Docker / Kubernetes.

· Exposure to GraphQL.

· Familiarity with CI/CD pipelines.

· Knowledge of security best practices in web development.

What We Offer:

· Opportunity to work on cutting-edge projects across industries.

· Collaborative and growth-oriented work environment.

· Performance-based appraisals and career progression.

· Exposure to emerging technologies like Blockchain, AI, and Web3.

Location: Remote / Pan India, Mumbai, Delhi / NCR, Bengaluru , Kolkata, Chennai, Hyderabad, Ahmedabad, Pune

Notice Period: Immediate

iSource Services is hiring for one of their client for the position of MERN Stack Developer.

About the role:

We are looking for an experienced MERN Stack Developer to build scalable and responsive web applications using MongoDB, , , and The role involves end-to-end development, API integration, UI/UX enhancement, performance optimization, debugging, code reviews, and collaboration with cross-functional and DevOps teams in an Agile environment.

Roles & Responsibilities:

Design, develop, and maintain scalable, responsive web applications using the MERN stack (MongoDB, , , ).

Collaborate with cross-functional teams to translate business requirements into technical solutions.

Develop RESTful APIs and integrate third-party APIs to support application functionalities.

Ensure high-quality UI/UX by developing pixel-perfect front-end applications.

Optimize applications for maximum speed, scalability, and performance.

Troubleshoot, debug, and upgrade existing software systems.

Write clean, maintainable, and efficient code, following best practices.

Collaborate with the DevOps team for CI/CD pipelines and deployments.

Required Skills:

Proficient in MERN stack, HTML5, CSS3, JavaScript

Experience with Redux/Context API, REST APIs, GraphQL (preferred)

Strong MongoDB database skills

Familiar with Git, UI frameworks (Material-UI/Bootstrap)

Exposure to Docker, AWS (a plus)

Agile environment experience, strong problem-solving skills.

Job Title: MERN Stack Developer (Fullstack)

Experience: 1-4 Years

Location: Noida

About the Role

We are looking for a Full Stack Developer with experience in the MERN stack to build and maintain web applications. You'll be responsible for both front-end and back-end development, collaborating with our team to deliver high-quality software solutions.

Key Responsibilities

• Develop front-end applications and integrate them with back-end services.

• Design and implement RESTful APIs and work with MongoDB.

• Optimize applications for performance, scalability, and user experience.

• Troubleshoot and debug issues across both front-end and back-end.

• Collaborate with the development team on coding, reviews, and best practices.

Required Skills

• 1-4 years of experience with , , , and MongoDB.

• Proficiency in JavaScript (ES6+), HTML5, CSS3, and version control (Git).

• Strong understanding of RESTful APIs and authentication (e.g., JWT).

• Problem-solving and debugging skills. Nice to Have

• Experience with GraphQL or cloud platforms like AWS.

• Familiarity with testing frameworks (e.g., Jest, Mocha).