Senior MERN Stack Developer

MassMutual India; Hyderabad; On-site; INR 1,800,000 - 3,000,000; Full time

Job summary

MassMutual India is seeking a Senior MERN Stack Developer to design, build, and support scalable web apps using React.js, Node.js, NestJS, AWS, MongoDB, and PostgreSQL.

Lead microservices, implement secure APIs, and drive CI/CD with DevOps practices while mentoring junior engineers.

Qualifications

• 8–11 years of software development experience.
• Strong MERN stack expertise with cloud-native design experience.
• Led design and development of REST APIs and microservices.

Responsibilities

• Design, develop, and maintain web applications with React.js, Node.js, and NestJS.
• Build scalable REST APIs and microservices.
• Develop responsive UIs with React.js and TypeScript.
• Model data in MongoDB and PostgreSQL.
• Deploy and manage on AWS, including EKS, ECS, and S3.
• Containerize apps with Docker; manage via Kubernetes.
• Create and maintain CI/CD pipelines.
• Collaborate with product owners, architects, and QA.
• Perform code reviews and troubleshoot production issues.
• Mentor junior developers and provide technical leadership.

Skills

React.js

Node.js

TypeScript

NestJS

MongoDB

PostgreSQL

AWS

Docker

Kubernetes

REST APIs

Microservices

CI/CD

Agile/Scrum

Security

Performance optimization

Tools

GitHub Actions

Jenkins

AWS EKS

Job description

Job Description:

Senior MERN Stack Developer (React.js + Node.js) - Job Description

Position Summary

We are seeking a highly skilled Senior MERN Stack Developer to join the Wealth Management Technology team. The ideal candidate will be responsible for designing, developing, and supporting scalable, cloud-native web applications using React.js, Node.js/NestJS, AWS, MongoDB/PostgreSQL, and Kubernetes. The role requires strong full-stack development expertise, experience building microservices-based applications, and the ability to lead technical design and development efforts. Similar responsibilities are documented for WMT full-stack developer roles involving ReactJS, NodeJS, AWS EKS, MongoDB, PostgreSQL, APIs, and CI/CD deployments.

Experience: 8-11 Years

Key Responsibilities

• Design, develop, and maintain modern web applications using React.js, Node.js, and NestJS.
• Build reusable, scalable, and secure REST APIs and microservices.
• Develop responsive and high-performance user interfaces using React.js and TypeScript.
• Design and optimize data models using MongoDB and PostgreSQL.
• Deploy and support applications on AWS cloud platforms.
• Containerize applications using Docker and manage deployments through Kubernetes (AWS EKS).
• Build and maintain CI/CD pipelines and DevOps automation.
• Collaborate with product owners, architects, business analysts, and QA teams to deliver high-quality solutions.
• Perform code reviews, troubleshoot production issues, and ensure adherence to engineering best practices.
• Mentor junior developers and provide technical leadership across projects.

Required Technical Skills

• Strong expertise in React.js, JavaScript, TypeScript, HTML5, and CSS3
• Strong backend development experience with Node.js and NestJS
• Experience building RESTful APIs and Microservices
• Expertise with MongoDB and PostgreSQL
• Hands-on experience with AWS services (EKS, ECS, Lambda, S3, RDS, CloudWatch, IAM)
• Strong knowledge of Docker and Kubernetes
• Experience with CI/CD tools such as GitHub Actions, Jenkins, or similar
• Knowledge of Agile/Scrum development methodologies
• Experience with application security, scalability, and performance optimization