Work 12 apps
Cross-platform apps built with React Native and Expo — offline-first, biometric, localised, and shipped to Google Play.
0112
Founder · Engineer
Offline-first personal finance and debt tracker for Bengali users. 100% on-device SQLite, conflict-aware encrypted Google Drive backup, biometric vault. Zero tracking, zero ads.
0212
Engineer
Offline notepad and todo app whose trick is a custom Kotlin live-wallpaper service that renders any note straight onto the home screen — plus a native home-screen widget.
0312
Engineer
Shopping app on a headless WordPress / WooCommerce backend — catalogue with live reviews, cart and checkout with pending-payment flows, favourites, and returns pages.
0412
Solo engineer
The customer side of Brewhaus POS: browse the menu, track orders live, pull up digital receipts, leave reviews, and earn through a built-in loyalty game.
0512
Engineer
Companion app for a social-welfare forum — the mobile side of the DSD Forum platform for donations, volunteers, blood donation and community events.
0612
Engineer
A privacy-first family tree that lives on one device: every member, relationship and photo in on-device SQLite, a hashed PIN in the secure store, and no network calls at all.
0712
Engineer
An AI communication assistant that floats over WhatsApp as an overlay — translating incoming messages and the user's own replies, without connecting a WhatsApp account.
0812
Engineer
Attendance and meetings on a phone for the people in NexaDev's office system. A pure client: every rule about access, late punches and room bookings is enforced by the server.
0912
Engineer
Mobile scanner app for LeadWelcome, the companion to its LinkedIn browser extension.
1012
Engineer
Bangla bookkeeping app for small businesses, with its own Express and PostgreSQL server behind it.
1112
Engineer
Admin app for a clothing business, with an Express and Supabase backend for its catalogue and orders.
1212
GrowVine Tech
Cricket app built for a GrowVine client.
Contact
Tell me what you're building — a product, an automation, or a team that needs a technical lead. I reply within 24 hours.
masudhossainmbs129@gmail.com