r
roshaan26

Muhammad C

@roshaan26

Backend Developer: Supabase, PostgreSQL And Database Security

Pakistan
English, Urdu
About me
I build and secure Supabase backends, mainly fixing the Row Level Security gaps that AI coding tools like Lovable, Bolt, and Cursor tend to leave open. I'm a Computer Science student at LUMS specializing in Cybersecurity, and I built GymELO, a fitness app with a production Supabase backend where I set up RLS policies and made sure sensitive data like user scores and rankings can only be written server-side. I also work with React Native, PostgreSQL, and general database design. Outside of security work I'm interested in AI and fintech, and I've co-founded Retez.... Read more

Skills

r
roshaan26
Muhammad C
Offline • 

See my services

Troubleshooting & Improvements
I will audit and secure your supabase database and fix rls issues
From$15 / projectMore details

Work experience

Self_Employed

Self Employed

Self-employed • 10 mos

Co-Founder, Product & Data Design — Retez

Jun 2026 - Present • 2 mos

-Designed the relational database schema (15+ models) on Supabase/Postgres for a multi-tenant marketplace and POS platform -Built dual subscription pricing mapped to Stripe Billing, plus marketplace payouts via Stripe Connect -Modeled two parallel transaction paths (scheduled bookings + walk-in POS) in one system

Founder & Developer — GymELO

Jun 2026 - Present • 2 mos

-Built a production Supabase backend with Row Level Security policies covering all user data -Used SECURITY DEFINER RPCs so scores, rankings, and personal records can't be edited from the client, only written server-side -Built the auth/onboarding flow, exercise library, and workout logging system -Built the frontend in React Native with Expo Router, TypeScript, and NativeWind

Co-Creator — ResLife Central

Feb 2026 - Present • 6 mos

-Built on the PERN stack (PostgreSQL, Express, React, Node.js) -Onboarded 10+ student businesses within 2 days of public launch