Backend Developer Portfolio
Backend and infrastructure work — APIs, data models, auth systems and serverless services that power live production applications.
These aren't diagrams; they're the systems behind real, deployed products handling real requests.
How I work
- Understand. I start with the real problem, users and constraints — not a feature list. A short discovery avoids building the wrong thing.
- Plan. A clear plan: scope, non-goals, the approach, and how we'll verify it works. You always know what's being built and why.
- Build. Small, tested, verifiable increments. Working software early and often, with clean, maintainable code that follows the project's conventions.
- Ship & verify. Real deployment, real testing, honest reporting. I verify behavior end-to-end before calling anything done — no 'it should work'.
Tech stack & tools
Languages
- Node.js
- Python
Data
- PostgreSQL
- Supabase
- Firebase
- Blob storage
Infra
- Serverless
- Edge functions
- Vercel
- Cloudflare
Selected work
MK QuizFlow
An AI study tool that turns PDFs, notes and images into quizzes and flashcards. Next.js App Router, Vercel AI SDK (Claude), local-first IndexedDB storage, cloud share via Vercel Blob, an Image → Quiz vision feature, rate limiting and quota. Live at thequizflow.com.
MK Router
A time-based portfolio router that reverse-proxies five portfolios on one domain, rotating hourly. Shipped on both Cloudflare Workers and Vercel Edge Middleware.
MK VisualVault
An image upload and hosting tool with Vercel Blob storage.
60-project ecosystem
A large ecosystem of portfolios, tools, games and web apps, consolidated to 25 flagship products, each live and deployed.
What you get when you hire me
- Clean, documented, maintainable code you own
- Live deployment with a working URL
- Tests for the important behavior
- Honest status reporting — what's done, tested, and any risks
- Clear handover so your team can keep building
Who I work with
Founders & startups
Building an MVP or first product and need someone who can ship the whole thing quickly, then iterate as you learn.
Small teams
You have a team but need extra capacity or a specialist to own a hard piece and deliver it end-to-end.
Agencies
You need a reliable contractor who communicates clearly, hits scope, and produces code your team can maintain.
Solo operators
You have an idea and a budget but no engineer — I can take it from concept to a live, working product.
Ways to work together
- Fixed-scope projects — a defined build with a clear deliverable and timeline
- Contract / part-time — ongoing capacity for a set number of hours
- Rescue & improvement — take over, stabilize and extend an existing codebase
- Advisory — architecture, code review and technical direction
I'm Musharraf Kazi (also known as Kazi Musharraf or MK Knight), a developer based in India working with clients worldwide, remote-first across time zones. Whether you need a one-off build or an ongoing engineering partner, the priority is the same: ship real, working software and report on it honestly.
Frequently asked questions
What's in this backend portfolio?
APIs, database-backed services and serverless functions behind live products and tools.
Do you handle DevOps too?
I handle deployment, environments and infra on managed platforms like Vercel, Supabase and Firebase.
Is any of it open source?
Much of the code is public on GitHub (mk-knight23).
How do I hire you?
Use the contact or hire page to send project details.