BACKEND DEVELOPER · PAKISTAN
Secure API & Backend Development
Freelance full-stack developer in Pakistan, based in Gujranwala — fixed scope, written timeline, daily updates.
Your API is your product's lock and engine. I design and harden REST backends in Node.js, Express, and FastAPI — authentication, authorization, rate limiting, validation, and audit logging implemented as defaults, not afterthoughts.
Based in Gujranwala, Pakistan, I build backends for startups and businesses that can't afford a breach: bug-bounty platforms, booking engines, data dashboards. My work on BugChase — a platform where security researchers get paid to find flaws — is built to be probed by the most adversarial user population on the internet.
You get documented, typed endpoints shared with the frontend, load-tested queries, and monitoring from day one. No mystery endpoints, no untested migration paths.
What's included
Auth & identity
JWT and session design, refresh token rotation, OAuth flows, and role-based access control that maps to your real-world permissions.
Data modelling
MongoDB and Redis schemas tuned to your access patterns, with safe migration paths as the product evolves.
Hardening
Rate limiting, input validation, OWASP-informed security review, and secrets management done properly.
Observability
Structured logging, error tracking, health checks, and uptime monitoring so you know about incidents before your users tell you.
Who this is for
- —Products handling payments or sensitive data
- —Teams needing one API for both mobile and web clients
- —Startups preparing for an enterprise security review
- —Legacy backends that need a security pass
Stack
How it works
- 01Discovery call 20 MIN · FREE
Understand the problem and the outcome you need.
- 02Scope & quote WITHIN 24 HOURS
Written scope, timeline, fixed price.
- 03Build 1 DAY – 3 WEEKS
Daily updates and a live preview link.
- 04Launch & handoff 14 DAYS FREE FIXES
Deployed, documented, fully yours.
Related work
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