Ing. Ondřej Hanák

Senior iOS Engineer · iOS since 2012 · software since 2008

I build native iOS apps with focus on security, accessibility and testability. On the side, I tinker with embedded and electronics - ESP32, BLE, Arduino.

Currently contributing to TruU - AI-powered passwordless authentication. Previously lead iOS engineer at All Shapes for nearly a decade, shipping apps with 60k+ MAU and multiple Apple features. Co-founder of iSpeak and EnglishTenses - leanguage-learning iOS apps live on the App Store since 2013, acquired in 2026.

Tech

Swift SwiftUI UIKit Objective-C Combine CoreData CoreLocation Unit Testing Accessibility CI/CD iOS watchOS

Personal Projects

iOS

• menuol - Daily lunch menus for Olomouc restaurants
• blehr-ios - BLE heart rate monitor

Electronics & Embedded

• esp32-snake - Snake game on ESP32 - OLED display, joystick, sound
• blehr-sim - BLE heart rate simulator running on ESP32