Backend Developer

About the role

Build, scale, and maintain robust, high-performance server-side applications using Node.js and frameworks like Express.js or NestJS. Design, develop, and secure high-throughput RESTful or GraphQL APIs optimized for both web and mobile front-end clients.

Job Requirements

Minimum of 3 years of proven experience as a Backend Developer with a strong track record of shipping production-ready web and mobile backends.

• Deep understanding of Node.js, asynchronous programming, event-driven architecture, and JavaScript/TypeScript ecosystem.
• Extensive experience in building reusable APIs and writing clear documentation using tools like Swagger/OpenAPI.
• Solid experience working with relational databases (e.g., MS SQL, PostgreSQL, MySQL) or NoSQL databases (e.g., MongoDB, Redis).
• Familiarity with cloud platforms (Azure, GCP), containerization (Docker), and modern CI/CD deployment pipelines.
• Proficiency in writing automated tests (unit, integration) and using API testing tools like Postman.
• Strong teamwork and communication skills to bridge the gap between data engineering structures and front-end interface needs.
• Bachelor degree in Computer Science, Engineering or relevant field.
• Duties & Responsibilities
• Core Development
• : Build, scale, and maintain robust, high-performance server-side applications using Node.js and frameworks like Express.js or NestJS.
• API Architecture
• : Design, develop, and secure high-throughput RESTful or GraphQL APIs optimized for both web and mobile front-end clients.
• API Documentation

: Write, maintain, and publish clear, comprehensive API documentation (using tools like Swagger/OpenAPI) to ensure seamless integration for the front-end team.

• Debugging & Troubleshooting
• : Proactively identify, debug, and resolve performance bottlenecks, system bugs, and production issues to maintain high application uptime.
• Team Collaboration
• : Partner with Data Engineers to seamlessly integrate backend logic with data pipelines, data warehouses, and optimized databases.
• Front-end Integration
• : Collaborate closely with Web and Mobile Front-end Developers to define API contracts, ensuring smooth data binding and UI integration.
• Database Management
• : Write efficient database queries, design schemas, and handle data persistence layers (SQL and NoSQL).
• Security & Authentication
• : Implement robust authentication and authorization mechanisms (e.g., JWT, OAuth) and ensure overall backend security best practices.
• Performance Tuning
• : Monitor, profile, and optimize backend performance to ensure low latency and high availability for end-users.
• Continuous Improvement

: Stay up to date with the latest industry trends, Node.js updates, and backend best practices to propose architectural upgrades and maintain code quality.