About the Role
Exergy Systems is looking for a highly experienced Senior MERN Stack Developer to join our growing tech team. This role requires 5–7 years of proven expertise in developing full-stack applications using modern technologies. Nest.js experience is mandatory. If you’re passionate about writing clean code, scaling complex systems, and working with cutting-edge tools, we want to hear from you!
Key Responsibilities
- Build and maintain web applications using MongoDB, Express.js, React.js, Node.js
- Develop scalable backend services using Nest.js (must-have)
- Design real-time features like chat modules using WebSockets or similar tools
- Implement secure authentication and authorization (OAuth, JWT, social logins)
- Manage application state with Redux, Zustand, Context API, or Recoil
- Optimize database performance and scale MongoDB solutions
- Set up and maintain CI/CD pipelines for seamless deployments
- Work with cloud services such as AWS (EC2, RDS, S3, CloudFront) and GCP
- Utilize Docker and Kubernetes for containerization and orchestration
- Apply best practices in performance, scalability, and security
Must-Have Skills
- 5–7 years of hands-on development experience in full-stack JavaScript
- Strong command of Nest.js
- Expertise in React.js, Next.js, and Node.js
- Experience with real-time applications, encryption, and API security
- Solid grasp of Node.js event loop, async handling, and third-party libraries for multipart data
- Knowledge of CORS, environment variables (process.env), and deployment workflows
- Understanding of autoscaling, vertical vs. horizontal scaling principles
Perks & Benefits
- 50 Liters Monthly Fuel Allowance
- Company-Sponsored Lunch
- Medical Insurance
- Provident Fund
- Friendly and supportive team environment with growth opportunities
How to Apply
If you’re ready to contribute to impactful projects and grow with us, send your updated CV to:
hr@exergysystems.com
Use the subject line: “Senior MERN Stack Developer Application“