I will build react nextjs python fastapi web app

U
usmankhan194
U
usmankhan194
Usman Khan
build react nextjs python fastapi web app
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build react nextjs python fastapi web app
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About this gig

Are you looking for a high-performance, scalable full-stack web application built with clean architecture and production-ready code?

I specialize in engineering robust web applications, SaaS platforms, and custom backend systems. Whether you are building an MVP from scratch or scaling an existing platform, I deliver modular, secure, and fast web solutions tailored to your business needs.

What I Build:

  • Frontend: Modern, responsive SPAs and full-stack frontends using React, Next.js, and TypeScript.
  • Backend & APIs: High-throughput REST & GraphQL APIs using Python (FastAPI / Flask) or Node.js.
  • Database Design: Scalable relational and NoSQL schemas (PostgreSQL, MySQL, MongoDB, Redis).
  • Third-Party Integrations: Payment gateways (Stripe, PayPal), auth systems (OAuth, Auth0, Supabase), and custom webhooks.
  • Performance & Architecture: API caching, database indexing, and Core Web Vitals optimization.

Why Choose This Gig?

  • Clean, documented, and maintainable code built to production standards
  • Strict focus on latency reduction, data security, and responsive UI
  • Video walkthrough (Loom) included with every final delivery
  • Post-delivery deployment support and clean handoff documentation

Please mess

  • Website type

    • E-Commerce store

  • Programming language

    • PHP
    • Python
    • TypeScript
    • React
    • Node.js

  • Website features

    • Marketing
    • Payment
    • Inventory
    • Map
    • Portfolio
    • Dashboard
    • Landing page
    • Admin Panel
    • API integration
Respect third-party rights

Please be aware that it is against Fiverr's policies for sellers to include themes, templates, or any other elements that infringe third-party rights or applicable laws in the delivered work. Read more about in our Guide to Responsible Digital Creation.

Get to know Usman Khan

Usman Khan

FullStack Architect for Scalable Web Apps, Cloud and Automation

5.0(8)
  • FromPakistan
  • Member sinceJul 2018
  • Last delivery4 years

  • Languages

    English
I help funded startups, scale-ups, and established businesses architect, build, and scale production-grade web applications and AI-driven systems. Rather than writing commodity code, I focus on clean system architecture, low-latency API pipelines, and high-concurrency cloud infrastructure that eliminates operational bottlenecks. Whether you need a full-scale SaaS platform from scratch, custom LLM agent workflows, or high-performance cloud backends, I engineer maintainable, secure solutions built to handle real user scale.

My Portfolio

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