Systems we've built and what they changed.
Six systems in production across retail, finance and hospitality — each one shown as it actually runs.
Nihada Handa — ledger / month-end close screen (2x)
Featured
Nihada Handa 1
Dual-currency ledger and stock system for a 14-branch retailer.
3 days → 4 hours
Month-end close
NextPostgresDrizzleTailwind
Retail · 2025
Market Sentinel — sentiment dashboard (2x)
Market Sentinel
Finance · 2026
News ingestion and sentiment scoring for a desk of four analysts.
4,200 articles/day
Parsed and scored
PythonPostgresRedis
Ceylon Trails — itinerary builder (2x)
Ceylon Trails
Hospitality · 2026
Direct-booking site and itinerary builder for a tour operator.
+34% direct bookings
First 90 days live
NextPostgresResend
Stock-count app — handheld scan view (2x)
Confidential — grocery chain
Retail · 2026
Handheld stock-count app used nightly across nine stores.
9 hrs → 25 min
Full-store stock count
React NativeExpoPostgres
Quant Trader — order book / fills console (2x)
Quant Trader
Finance · 2025
Execution engine that routes and reconciles algorithmic orders.
0 missed fills
Across 1.2M order events
RustTokioPostgres
Hotel front desk — check-in screen (2x)
Confidential — 22-room hotel
Hospitality · 2025
Front-desk booking and check-in replacing a shared spreadsheet.
6 min → 40 sec
Guest check-in
NextSupabaseStripe
Six systems in production across retail, finance and hospitality. Client names are shown where permission was given; the rest are described honestly rather than logo-stripped.