Senior MERN Stack Developer (Ecommerce Platform)
White Mastery Systems is seeking a Senior MERN Stack Developer to join their team in Chennai, Tamil Nadu. This full-time, in-person role offers a competitive salary and the opportunity to work on a next-generation ecommerce platform.
About the Role
The Senior MERN Stack Developer will architect, design, and develop full-stack web applications using MongoDB, Express.js, React.js, and Node.js. This role involves building and scaling a feature-rich ecommerce platform, developing backend services with Nest.js, collaborating with cross-functional teams, writing clean and maintainable code, overseeing database architecture, conducting code reviews, and contributing to team excellence.
What You'll Do
- Architect, design, and develop full-stack web applications using MongoDB, Express.js, React.js, and Node.js.
- Build and scale a feature-rich ecommerce platform with secure integrations and superior user experience.
- Develop and optimize backend services with Nest.js, ensuring reliability and high performance.
- Collaborate closely with product managers, designers, and fellow engineers to bring concepts to life.
- Write clean, efficient, and maintainable code following best practices and coding standards.
- Oversee database architecture and performance tuning in MongoDB.
- Conduct code reviews, provide technical mentorship, and contribute to team excellence.
- Troubleshoot and optimize applications for speed, scalability, and security.
What We're Looking For
- 5+ years of hands-on experience as a Full Stack Developer, preferably in the MERN stack.
- Advanced expertise in React.js (hooks, state management, performance optimization).
- Proficiency with MongoDB — including schema design, aggregation pipelines, and query optimization.
- Working knowledge of Nest.js and microservice-based backend architecture.
- Strong experience with Node.js and Express.js.
- Familiarity with ecommerce platforms, payment gateways, and authentication systems.
- Solid grasp of REST APIs, Git workflows, and CI/CD pipelines.
- Experience deploying on AWS, Azure, or GCP.
- Excellent problem-solving, communication, and leadership skills.
Bonus Points
- Prior experience building or scaling ecommerce applications.
- Knowledge of TypeScript and enterprise-level system architecture.
- Proven experience in mentoring or leading development teams.
Why Join Us
- Competitive salary + performance-based incentives.
- Continuous learning with professional development and training opportunities.
- Work with modern technologies in a collaborative, growth-driven environment.
- Be part of a fast-scaling ecommerce product with global market potential.