Oleh Bysaha
Senior engineer who ships product, not just code — 11+ years turning mobile & web ideas into measurable growth.
Selected work
Products I helped ship — and the numbers they moved.
Moneyworld
A bank account that plays like a Tamagotchi — saving as a daily habit.
Scribe AI
AI that reads old handwriting — historical records into searchable family history.
Tribute Reel
Turns family photos into a heartfelt video — motion, music, and memories.
A decade of shipping
Led the mobile rewrite that lifted subscription conversion 5–14% across key markets (A/B tested).
Shipped fintech mobile app that reached 99.97% crash-free sessions and ~4.3★ on the App Store.
Built a crypto-wallet mobile app from scratch — React Native, Ethers.js blockchain sync, QR scanning and seed-phrase security.
The stack I ship with
“Oleh is a brilliant engineer and a great human being who I had the pleasure of working with almost every day for more than two years as we built and then launched a digital banking app with a small team. What is unique a…