Product Engineer — Karachi, PK · Available for new projects

I build web, mobile & AI products from zero — and rescue the half-built ones AI tools left behind.

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(What I do)

“I tell you when an idea won’t work — and why.”

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Build from zero

You have the idea and the customers waiting. I handle everything technical — architecture, design, build, launch. One engineer, no hand-offs, no lost context.

  • MERN
  • Next.js
  • TypeScript
  • AI
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Rescue & finish

Half-built app? AI prototype from Lovable, Bolt, or Replit that demos well but won't survive real users? I audit it, fix it, and ship it — often in days, not months.

  • Audits
  • Refactors
  • Integrations
  • Deployment
How rescues work →

(Selected work)

Work

(About)

I write code other developers can maintain. I tell you when an idea won't work and why. I treat your deadline as mine.

Portrait of Muhammad Hussain
M. Hussain — Karachi, PK

I’m M. Hussain, a software engineer based in Karachi. For the past five years I've built web and mobile apps for clients in the UK, US, and beyond. My stack is MERN, Next.js, and TypeScript. My recent work adds AI to that: LLM integrations, RAG systems, agents, and workflow automation.

I spend part of my week as the lead developer on an AI meeting productivity platform for a UK software company. I've been on that product for over a year — I redesigned its UI, shipped its iOS app, and built the automation pipeline the team uses to run delivery.

Master's in Software Engineering, NED University — but most of what I know comes from shipping, breaking, and fixing real products.

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Fiverr reviews · 4.9★

(Client words)

4.9★ · 43 reviews on Fiverr ↗
“I used Claude to generate a web app but struggled with integrations — this was sorted in a matter of a few days. Highly recommend Hussain for anything web app related.”
Jack HooperRepeat client

Australia · 4 days · ★★★★★

“One of the best freelancer experiences I've had. A complex technical project — Clerk authentication, Supabase persistent memory, deployed to a custom domain — and he delivered faster than I thought.”
Matt Little

United States · 4 days · ★★★★★

“Everything was delivered on time with great accuracy to what we discussed. The communication throughout gave peace of mind and allowed us to pivot direction where necessary.”
Steve HunteRepeat client

Canada · 4 weeks · ★★★★★

“Amazing work from Hussain. He understood the task and went above and beyond with the product he delivered. Excellent communication throughout.”
Brandon TTSRepeat client

United Arab Emirates · 8 days · ★★★★★