- Develop and maintain applications using Node.js, Express.js, and JavaScript
- Build and integrate secure REST APIs
- Work with MySQL / PostgreSQL databases
- Write efficient SQL queries and support database design
- Implement JWT authentication and API security
- Debug and resolve application, API, and database issues
- Use Git/GitHub for version control
- Support deployment using Linux, Nginx, Docker, and AWS EC2
- Maintain existing PHP-based legacy applications
- Collaborate with developers, testers, and other team members