Service

Node.js Backend Development

Secure, scalable backend systems & APIs powered by Node.js.

I build secure, scalable backend systems and RESTful/GraphQL APIs using Node.js and Express. My backend development covers everything from database architecture and authentication to third-party integrations and performance optimization — giving your application a solid, reliable foundation that scales as your business grows. The backend is the part of an application users never see and rarely think about — until it breaks under load, leaks data through a security hole, or grinds to a halt because a database query was never indexed properly. I approach backend work with that reality in mind: the goal isn't just an API that responds correctly in testing, it's one that holds up under real traffic, handles failure gracefully, and doesn't require a rewrite the moment usage grows past what a demo could show. Node.js is a strong fit for this because of its non-blocking, event-driven architecture, which handles high volumes of concurrent I/O-heavy requests — API calls, database queries, file operations — efficiently without spinning up a new thread for every connection. I use it to build both REST APIs for straightforward resource-based endpoints and GraphQL APIs when the frontend needs more flexible, precise data fetching, choosing based on what the actual project needs rather than defaulting to one pattern. Database work is treated as core architecture, not an implementation detail. That means MongoDB when the data model is naturally flexible and document-based, or PostgreSQL when the project needs strict relational structure, complex joins, or transactional guarantees. Authentication is built with proper token handling and role-based access control from the start, not bolted on later. And every API ships with real documentation — Swagger or Postman collections — so the next developer working on it (including a future version of you) isn't left reverse-engineering endpoints from the code alone.

Tech Stack

Node.jsExpress.jsMongoDBPostgreSQLREST APIsGraphQLJWT/OAuthDocker

What's Included

  • ✓RESTful & GraphQL API development
  • ✓Database design (SQL & NoSQL)
  • ✓Authentication & role-based access control
  • ✓Third-party API & webhook integrations
  • ✓Server performance & security optimization
  • ✓API documentation & deployment support

Faqs

Node.js is fast, handles many concurrent connections efficiently, and lets you use JavaScript across the whole stack, which simplifies development and hiring.

I build both, depending on the project — REST for simpler, resource-based APIs, and GraphQL when the frontend needs flexible, precise data fetching.

Yes, Node.js is built on a non-blocking, event-driven architecture that handles high volumes of concurrent requests well, especially for I/O-heavy applications.

Yes, I work with both — MongoDB for flexible, document-based data and PostgreSQL for relational data that needs strict structure and complex queries.

Yes, I document APIs using tools like Swagger or Postman collections, so your team or future developers can understand and use the endpoints easily.