Hi there 👋 I am a full-stack developer passionate about UI/UX, static typing, and software testing.

My projects:

• MemoCard - Award-winning Telegram mini app for improving memory with spaced repetition.
• mobx-log - Logging library for MobX. 250000+ total downloads

My contributions to Open Source:

• mobx (⭐27.4k+️) - 23 PRs. Example PR - Fix type inference of the action callback arguments (merged)
• phpstan (⭐12.8k+️) - Detect enum duplicated values (merged)
• wavesurfer.js (⭐8.6k+️) - Waveform with rounded bars (merged)
• ts-essentials (⭐3.7k+️) - Simplify Merge type (merged)
• botman (⭐6.0k+️) - Add PSR-11 ContainerInterface (merged)
• construct-js (⭐1.4k+️) - Use TS assertion signature to avoid type casting (merged)
• mobx-angular (⭐482) - 10 PRs. Last PR - Replace Karma with Jest, run tests on CI (merged)

Latest blog posts:

• How to integrate Telegram Stars Payment to your bot (2.8K views)
• How I built a project for myself and won a prize from Telegram (361 views)
• Configure multiple entry points for Create React App without the eject (4.3K views)
• A simple Mobx under 50 LOC to understand observer pattern (2.0K views)
• Display calendar using SQL (186 views)