Senior Mern Stack Developer

Who We Are – MassMutual India

Since 1851, MassMutual’s commitment has always been to help people protect their families, support their communities, and help one another. Therefore, we want to inspire people to Live Mutual. We at MassMutual value diversity and inclusion. We’re people helping people

A career with us means you will work alongside exceptional people and be empowered to reach your professional and personal goals.  Our employees are the foundation of what makes MassMutual a strong, stable, and ethical business.  We seek and value unique and varied perspectives and experiences because we believe we are stronger when all voices are heard. We invite you to bring your bright, innovative ideas to MassMutual as we continue to help millions of Americans rely on each other.

Together, we’re stronger.

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

Why Join Us?

We’ve been around since 1851. During our history, we’ve learned a few things about making sure our customers our top priority. In order to meet and exceed their expectations, we must have the best people providing the best thinking, products, and services. To accomplish this, we celebrate an inclusive, vibrant, and diverse culture that encourages growth, openness, and opportunities for everyone. A career with MassMutual, Great Place to Work® certified and India's Best Workplaces in BFSI 2023 - Top 50 organization means you will be part of a strong, stable, and ethical business with industry leading pay and benefits. And your voice will always be heard.

Does this sound like a great fit? Apply today!