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I will build scalable backend apis and web applications

H
hamzazahid440
H
hamzazahid440
Hamza Zahid
build scalable backend apis and web applications
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build scalable backend apis and web applications

About this gig

I am a Senior Software Engineer with experience building scalable, secure backend systems.

I will help you develop or extend backend APIs that are clean, maintainable, and performance-optimized.

Services include:

  • Backend development
  • RESTful APIs
  • Database integration
  • Business logic implementation
  • Performance optimization


  • Programming language

    • Ruby/RoR

  • Expertise

    • Algorithms & Data structures
    • Debugging
    • Performance
    • Security
    • Databases

  • Frontend framework

    • React.js
    • jQuery
    • Bootstrap
    • Tailwind CSS
    • Next.js

  • Backend framework

    • Django
    • Express.js
    • Node.js
    • Flask
    • Next.js

  • AI & low/no code builders

    • Lovable
    • Bolt.new
    • Replit
    • Webflow

Get to know Hamza Zahid

Hamza Zahid

Expert Full Stack Developer

  • FromPakistan
  • Member sinceNov 2025

  • Languages

    English
Why Clients Hire Me - Experience building HIPAA-compliant products, including secure data handling, access controls, audit logging, and encryption best practices - Full-stack + AI expertise - Security- and compliance-aware development - Clean, production-ready code - Reliable communication and on-time delivery Backend & APIs - Node.js (MERN), NEST/EXPRESS, Django, Ruby on Rails, PHP - REST & GraphQL APIs - Authentication: JWT, OAuth2, Devise, Firebase Auth - Background jobs & queues (Redis, Sidekiq, Celery) Frontend - React.js, Vue.js, Next.js - Modern, responsive UI with TailwindCSS

My Portfolio

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