Offline-FirstReact Native ArchitectureMobileDistributed Systems
Offline-First Architecture for the Next Million Users
How we built a field operations app for rural Africa - deterministic sync without internet, Kalman-filtered GPS on $50 phones, geo-fenced auto-save, and enterprise security without hardware keystores. Engineering trade-offs from a production system with 10K+ daily agents.
May 24, 202622 min read
Keep Exploring
Dive deeper into the architecture and engineering behind production-grade systems
01
MatriBliss
Privacy-first matrimony app for African markets. AI matches, encrypted chat, mobile money, real-time messaging with delivery states, and hardware-backed security. Works on 2G.
React Native 0.81TypeScriptTanStack Query v5Case Study
02FieldCollect
Offline-first data collection for field agents. Web dashboard for managers, PWA for field staff. Forms, GPS, photos, signatures all work without internet.
React 18 + ViteTypeScriptDexie.js (IndexedDB)Case Study
03Finvario
Mutual fund SIP tracker with no account needed. Everything works on your device. Track investments, search funds, and run financial calculators all offline.
React Native (Expo SDK 54)TypeScript (Strict Mode)Zustand + MMKV (State + Storage)Case Study