morozhen_ko
Stanislav Moseyko
Indie developer & QA engineer.
I build and harden products.
Products
Chroma Bankshot
Chroma Bankshot is a minimalist physics puzzle game with a cosmic neon aesthetic.
ClearSub
Track all your subscriptions in one place, never miss a renewal. Local-first subscription tracker.
AppStreak
Track daily app-launch streaks on Android, review local launch history, and build a consistent app-use habit.
Socks Shopping Store
Hardened ASP.NET Core MVC demo store for QA: security headers + rate limits, automated tests (NUnit/Selenium), performance checks (k6), security scans (OWASP ZAP), and CI/CD-published Allure reports.
HandyLog
Offline-first CRM for field technicians: clients → jobs → services/materials → totals, with local inventory and export.
Picturix
Offline photo and video organizer for Windows and Linux. Sort media by date and handle exact duplicates safely.
Proteus
Telegram moderation bot for channels: deterministic pipeline with stateful Durable Objects on Cloudflare Workers.
DiagHub
Private diagnostics portal for apps, with privacy-filtered error reports and read-only issue dashboards.
Telemetry
First-party app and website telemetry, aggregate reports, and tracked marketing links with privacy limits.
2VRTX
Website I developed for 2VRTX, an architectural visualization and animation studio.
Cycle Whisper
Offline-first menstrual cycle tracker and personal diary. Core tracking stays on your device without an account.
Retelingo
Offline language learning with spaced repetition, vocabulary practice and pronunciation, including European Portuguese.
BannerMatch
Turn-based tactical lane battle game with deterministic mechanics, medieval theme, and 3D isometric presentation.
To-Do List Offline
Simple offline task manager with recurring tasks, subtasks, home-screen widgets, and optional app lock. No accounts needed.
Engineering & QA Philosophy
Quality as a product feature
Not an afterthought. Reliability drives retention.
Automation-first thinking
Build systems that scale without manual overhead.
Testing as risk control
Every test is a bet against failure in production.
CI/CD as confidence
Ship fast, ship often, ship with certainty.
Writing & Devlogs
Technical writing, product devlogs, and engineering insights.
Published on LinkedIn and personal blog