MERN Full Stack Developer (Junior Level)

Winzons; India; On-site; INR 700,000 - 1,100,000; Full time

Job summary

Cumulations Technologies in Bangalore, India is seeking a Full Stack Developer (MERN) with 1-3 years of experience. You will build scalable web apps using MongoDB, Express.js, React.js, and Node.js, transforming UI designs into reusable components.

You will implement RESTful and GraphQL APIs, optimize performance, and collaborate with cross-functional teams in an Agile environment. Prior AWS and containerization experience is a plus.

Qualifications

• Experience designing and building MERN stack applications.
• Proficiency with React.js, hooks, and modern state management.
• Experience with RESTful APIs and GraphQL.
• Knowledge of Docker/Kubernetes and AWS is preferred.
• Strong database skills with MongoDB, MySQL, or PostgreSQL.

Responsibilities

• Design, develop, test, and maintain MERN stack web apps.
• Build reusable React components with modern state management.
• Translate UI designs into performant components from Figma/UI.
• Implement APIs and ensure data flow between frontend and backend.
• Collaborate with DevOps and QA; participate in CI/CD pipelines.

Skills

React.js (Hooks)

JavaScript (ES6+)

TypeScript

RESTful APIs

GraphQL

Node.js

Express.js

MongoDB

MySQL

PostgreSQL

AWS

Docker

Kubernetes

Education

Bachelor's Degree in Computer Science, Information Technology, Engineering, or a related field

Tools

React.js

Redux

GraphQL

Docker

Kubernetes

AWS

MongoDB

Job description

Company Name: Cumulations Technologies

Job Role: Full Stack Developer - MERN Stack

Experience Required: 1-3 Years

Employment Type: Full-Time

Location: Bangalore, India

Qualification: Bachelor's Degree in Computer Science, Information Technology, Engineering, or a related field

Industry: Information Technology / Software Development

Technology Stack: MERN (MongoDB, Express.js, React.js, Node.js)

Key Responsibilities :

• Design, develop, test, and maintain scalable and responsive web applications using MERN stack (MongoDB, Express.js, React.js, Node.js).
• Build reusable frontend components with React.js, Hooks, and modern state management tools (Redux, Context API, Zustand).
• Convert Figma/UI designs into clean, performant, and reusable React components.
• Implement RESTful and GraphQL APIs with Node.js/Express and integrate seamlessly with frontend applications.
• Design and optimize MongoDB schemas and queries for scalability and performance.
• Ensure smooth data flow between frontend and backend, including authentication, authorization, and caching.
• Optimize frontend and backend performance across devices and browsers.
• Participate in code reviews, sprint planning, and Agile ceremonies.
• Collaborate closely with cross-functional teams including DevOps and QA.
• Implement CI/CD pipelines, containerization, and orchestration using Docker and Kubernetes.
• Deploy and manage applications on AWS cloud services (preference for candidates with AWS certification).

Skill Requirements :

Frontend :

• React.js (with Hooks)
• JavaScript (ES6+), TypeScript, HTML5, CSS3
• State Management : Redux / Context API / Zustand
• Styling : TailwindCSS, Styled-Components, Material UI, Bootstrap
• Routing : React Router

Backend :

• Node.js, Express.js
• API Development : RESTful APIs & GraphQL
• API Clients : Axios / Fetch
• Database : MySQL, Postgres, MongoDB
• Authentication & Authorization (JWT, OAuth, etc.)

DevOps & Cloud :

• Docker, Kubernetes, Kafka
• AWS (EC2, S3, RDS, Lambda, CloudWatch, etc.) - Certification preferred
• CI/CD pipelines (GitHub Actions, Jenkins, or similar)