pro
Denis Dementjev
Chaos in, working system out
New to Contra
Denis is ready for their next project!
Safe Volume — an Android app I built after my own JBL Charge 3 blasted YouTube at full volume the second I opened it. That problem is now fully solved: per-device profiles with min/max limits for every audio stream (media, ring, notification, alarm), enforced every 16 ms by a...
A full client-server product I built solo: Go server + Flutter clients for Windows and Android from one codebase. gRPC/protobuf, OAuth 2.0, TLS, works over a Cloudflare tunnel or plain port forwarding. Downloads through yt-dlp with everything it can give — all audio tracks,...
My own server platform in Go: a modular core where services plug in as modules over gRPC/protobuf. Built-in i18n — logs follow the system locale (Russian on screenshot) or a language flag. Structured logging with microsecond timings, themed with Material Design colors ported to the terminal (theme.json). YAML/env configuration
Page from my research report "What every country is worst at" — research a production team can shoot from as-is: — confirmed world-firsts only: fresh 2024–2026 data, verified gap to second place, no recycled trivia, no "quirks sold as flaws"; — every number verified via API...
