I will develop a backend API in python, nodejs, or golang

M
muhammad_sarmad
M
muhammad_sarmad
Muhammad Sarmad
5.0
5.0

About this gig

⭐ 5.0 from 130+ reviews across my Fiverr gigs · 9+ years of experience · Money-back guarantee.


I build fast, secure backends and APIs for web apps, mobile apps, SaaS products and AI features.


Services:

  • REST, GraphQL or gRPC APIs in Python, Node.js or Golang
  • FastAPI, Django, Express or NestJS backends
  • Database design in PostgreSQL, MySQL or MongoDB
  • Login, roles and permissions, Stripe payments and subscriptions
  • Third-party integrations, webhooks and background jobs
  • Real-time features with WebSockets: chat, notifications, live updates
  • Microservices, queues and event-driven systems
  • Fixes, speed-ups and scaling for an existing backend


Projects I've shipped:

  • Pivot: ~20 Go microservices with Connect-RPC, NATS and Temporal
  • RidePlus: Go API with PostgreSQL and PostGIS for a delivery marketplace
  • Callora: Stripe billing and Supabase backend for an AI receptionist


Why work with me:

  • 9+ years of engineering, first endpoints live in 2-3 days
  • Clean code with tests, API docs, and handover
  • You own all code


Let me know what your app needs to do, and I'll reply with a plan.

Get to know Muhammad Sarmad

Muhammad Sarmad

Full Stack and AI Engineer, Web and Mobile Apps, AI Agents, Automation

5.0(103)
  • FromPakistan
  • Member sinceJan 2018
  • Last delivery2 years
  • Languages

    English, Urdu
Full-Stack and AI Engineer, 9+ years. 🌟 5.0 from 📝130+ reviews. Web & mobile: iOS and Android apps in React Native, Swift and Kotlin, and React/Next.js web apps and SaaS on Node.js, deployed on AWS or GCP. AI: agents, RAG chatbots, voice agents, workflow automation and OpenAI/Claude integrations, in a new app or the one you have. Recent work: a collaboration app on web, iOS and Android, a client portal SaaS, an enterprise AI knowledge platform and a 24/7 AI voice receptionist. On time and as agreed, or your money back. Message me your idea and I'll reply with a plan.

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Reviews

2 reviews for this Gig
5.0

(2)
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Rating Breakdown
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    5
  • Recommend to a friend
    5
  • Service as described
    5
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    voulgeor

    DE

    Germany

    Ongoing collaboration
    5

    Hard working individual.

    $50-$100

    Price

    Helpful?
    Yes
    No
  • K

    kev27127

    US

    United States

    5

    Very good seller and knowledgeable

    $50

    Price

    Helpful?
    Yes
    No
Reviews

2 reviews for this Gig
5.0

(2)
(0)
(0)
(0)
(0)
Rating Breakdown
  • Seller communication level
    5
  • Recommend to a friend
    5
  • Service as described
    5
Sort By
Most relevant
  • V

    voulgeor

    DE

    Germany

    Ongoing collaboration
    5

    Hard working individual.

    $50-$100

    Price

    Helpful?
    Yes
    No
  • K

    kev27127

    US

    United States

    5

    Very good seller and knowledgeable

    $50

    Price

    Helpful?
    Yes
    No