API & Backend Development

REST. GraphQL. WebSockets. Built for reliability, speed, and developer experience.

Production-grade REST and GraphQL API development. Node.js, NestJS, Express, Python backends. Microservices, real-time WebSocket systems, and third-party integrations. Enterprise-scale architecture.

6+
Years Experience
46
Projects Shipped
100%
Job Success Rate
48h
First Delivery

The real challenge

A bad API architecture costs you 10x more to fix later than to build right the first time. Versioning, authentication, rate limiting, error handling, documentation — these aren't optional for enterprise clients.

What I build

REST API Design & Build

Well-structured, versioned, documented REST APIs with OpenAPI specs

GraphQL APIs

Flexible data querying for complex frontend needs and third-party consumers

Real-Time Systems

WebSocket servers, Server-Sent Events, and live data pipelines

Microservices

Service decomposition, inter-service communication, and event-driven design

Third-Party Integrations

Connect any external API — payments, auth, analytics, communication

API Security

OAuth2, JWT, rate limiting, input validation, and penetration testing

Compliance & Standards

OAuth 2.0 / OIDCOWASP API Security Top 10GDPR data handling

Recent project

Healthcare API with HL7/FHIR and complex integration layer

Read the case study →

How we work together

01

Discovery Call

30 min to understand your requirements, timeline, and budget

02

Proposal

Detailed scope, architecture plan, and fixed-price or hourly quote within 24h

03

Build

Weekly sprints with demos. You see progress every 7 days — no black boxes

04

Ship & Support

Deployment, documentation, and 30-day post-launch support included

Ready to start?

Book a free 30-minute consultation. I'll review your project and tell you exactly how I'd approach it — no sales pitch.

Book Free Consultation

Or email: contact@waseemahmad.dev