“a true systems thinker… someone who sees how the whole thing fits together before he writes a line”
5
Verified Upwork clientLLM app, Supabase / Svelte / TypeScript
I.Featured work
Lynxsta: a booking that is real because it is paid for.
A booking tool for independent stylists. The stylist sends a link, the client reads the terms and pays a deposit, and the slot is theirs. Nothing is confirmed until the money moves.
4Steps from link to confirmed
20 minThe slot is held while they pay
236Automated tests behind it
II.Services
What I take on
One engineer, the whole stack.
01
Web & SaaS apps
Products built to hand over, not to keep me on retainer.
- Next.js
- Supabase
- Postgres
- Stripe
- TypeScript
02
AI in live products
Retrieval, assistants and extraction. FastAPI behind a product that already works.
- FastAPI
- Python
- Claude
- RAG
- pgvector
03
Mobile apps
Store-ready builds, architected to extend. Not demos.
- Kotlin
- Compose
- React Native
- Flutter
- Material 3
Fixed price and scope in writing, after a 30 minute call.
III.Recent projects
Client work Under contract, so the code is not mine to show
- 2026LLM app taken to marketAgent workflows moved from prototype into a product that shipped.
- 2026Real-time data pipeline, verified and documentedEstablishing what the pipeline actually does, then writing it down.
- 2026QR peer-matching MVP with real-time syncTwo devices held in step, under GDPR and safeguarding rules.
- 2025-26Telemedicine platform MVPAuth, doctor directory, booking flow and admin panel, end to end.
- 2026Pre-launch RLS and edge-function auditRow-level security, IDOR and webhook verification before the flag came off.
- 2026Workshop booking and payments on GoHighLevelCustom objects and the LeadConnector API, no hard-coded dates or links.
Open source and products Public, and you can open every one
- AIHireflowHybrid search and reranking, with every answer cited back to its source.
- ProductTeams Transcript CopierTurns Microsoft Teams chat into clean, AI-ready transcripts.
- AutomationMLS lead botAuthenticated scraping of a listings portal, delivered to a CRM by webhook.
- MobileNewsLayerModular news reader with offline persistence and functional error handling.
IV.Testimonials
7Reviews5.0Average rating16Contracts0Disputes
“I’ve hired a bunch of engineers off of Upwork over the years, and none of them are in his league.”
Verified Upwork client · LLM app, Supabase / Svelte / TypeScript · Jan to Jul 2026 · rated 5.0Read it on Upwork →
“The authentication system, doctor directory, booking flow, and admin panel were all delivered on time and exceeded my expectations.”
5
Oussama G., TunisiaTelemedicine platform MVP, Next.js + Supabase
“Great experience. Very intuitive and willing to cover all bases for MVP. Will definitely recommend.”
5
BuddySpark Ltd, UKEdTech MVP, shipped in 6 days
“He did an audit of our website in thorough detail and came up with strong suggestions on how to overcome them.”
5
Verified Upwork clientCode and platform audit, EdTech
“He not only delivered exceptional design work, but also provided thoughtful architectural guidance which helped shape the overall product direction.”
Verified testimonial
Ekjot S., Founder & CEO at StepToStemMobile app UI/UX and architecture consultation
“Talented, prompt and result oriented consultant. I highly recommend Zain for his technical skills.”
5
Verified Upwork clientGoHighLevel workshop booking system
“delivered a production-ready MVP that brings together lead management, scheduling, payments, communication, and automated follow-ups”
Verified testimonial
Abu Bakar N., CRM & Automations ExpertBusiness automation platform, Next.js + FastAPI + Supabase
“Zain completed the technical test task successfully and on time. His communication was clear and professional.”
5
Oussama G., TunisiaPaid test task, which became the MVP contract
V.Start here
Have a project in mind?
Tell me what you’re building. I reply within one business day, and I’ll say directly if it’s not a fit.
- NDA on request. You own the code and the accounts.
- GMT+5, overlapping the US morning and the whole EU day.
- Contract and escrow through Upwork.
100%Job success16Contracts0Disputes
or write directly → dreamerslabdev@gmail.com