We are looking for an experienced WAS Engineer - MERN Stack Developer with at least 2 years building and maintaining applications on MongoDB, Express.js, React.js and Node.js. You will own features end to end — APIs, data and interface - and keep client applications fast, secure and dependable.

1.  Full-Stack Development

• Develop and maintain web applications using MongoDB, Express.js, React.js and Node.js.
• Build and optimize scalable APIs and web services.
• Implement responsive UI components in React.js for a strong user experience.

2.  Database & Server Management

• Design and manage MongoDB databases for data integrity and performance.
• Optimize server-side logic with Express.js and improve API efficiency.
• Handle deployment, performance tuning and security practices.

3.  Front-End & UI/UX Collaboration

• Work with UI/UX designers on interfaces that are both usable and attractive.
• Ensure cross-browser compatibility and mobile responsiveness.
• Use React Hooks, Redux and component-based architecture to keep the front end performant.

4.  Website Maintenance & Support

• Monitor and maintain client websites, keeping them available and performing.
• Perform routine updates, backups and security checks; keep everything patched and current.
• Protect uptime — troubleshoot issues as they arise and implement fixes promptly.

5.  Security & Technical Troubleshooting

• Debug problems across server configuration, database performance and site functionality.
• Apply security best practices, including secure API integration, authentication and authorization.
• Implement SSL, SMTP email configuration and other protective measures.

6.  Client Interaction & Issue Resolution

• Work with the client support team to address technical queries and concerns.
• Understand client requirements and implement enhancements accordingly.
• Document and track recurring issues so troubleshooting gets faster over time.

7.  Collaboration & Continuous Improvement

• Coordinate with developers, designers and stakeholders to deliver on time.
• Take part in code reviews and internal knowledge-sharing sessions.
• Stay current with emerging web technologies and modern development practices.

• Minimum 2 years as a MERN Stack developer.
• Strong proficiency in MongoDB, Express.js, React.js and Node.js.
• Experience with RESTful APIs and GraphQL integrations.
• Proficiency in JavaScript, ES6+ and modern front-end tooling.
• Familiarity with Git, GitHub and version-control best practices.
• Understanding of authentication, authorization and security best practices.
• Bachelor’s degree in Computer Science, Information Technology, Electronics, Mathematics or a related field — or a completed certification program, boot camp or serious self-taught track record in web development.
• Working knowledge of HTML, CSS, JavaScript, MySQL and RESTful APIs.
• Strong problem-solving and analytical skills, with real attention to detail.
• ExcAbility to manage several pieces of work at once in a fast-paced support environment.

Good to Have

• Experience with cloud platforms such as AWS, Firebase or DigitalOcean.
• Automated testing and CI/CD pipeline experience.

• Competitive compensation — attractive package with performance-based incentives.
• Health & wellness — medical and health insurance benefits.
• Career growth — continuous training, professional development and clear advancement.
• Industry exposure — diverse client projects and real-world website maintenance challenges.
• Work-life balance — flexible working hours, generous leave policy and a friendly corporate culture.

Apply online through our careers page, or email your updated résumé to hr@aaravinfotech.com. If you are experienced, include a short note on the projects you have delivered.