Tajbir Hossain

Case study

JBH International Limited

B2B multi-vendor marketplace for garment products — live on Google Play.

2023 · Mobile engineer — React Native app & performance

  • React Native
  • Expo
  • Supabase
Abstract blueprint visualization of a B2B garment marketplace mobile app

Problem

A B2B garment marketplace needed advanced search and filtering across product categories, plus smooth performance on low-end Android devices common among field users.

Approach

Shipped a React Native (Expo) client backed by Supabase, with careful list rendering and query patterns tuned for constrained devices. Focused on search/filter UX and sustained daily usage after Play Store launch.

Architecture

  • React Native + Expo client for cross-platform mobile delivery
  • Supabase-backed data and auth for marketplace operations
  • Advanced search and filtering across garment product categories
  • Performance work targeting low-end Android devices
  • Google Play distribution with ongoing active daily users

Outcomes

  • Published on Google Play Store with 1,303 downloads
  • Active daily users after launch
  • Proven ability to ship and optimize production mobile clients
← All work