Work
A curated slice from 2014–2026. Filter by stack layer or browse everything.
- 01 · GCHAT Ongoing
GChat — a privacy-first E2E messenger
March 2026 — present
A messenger built solo with X3DH, Double Ratchet, and a zero-trust relay. iOS, Android, landing, infra — all mine.
Python 3.12FastAPIFlutterPostgreSQLRedisAstroCoolifyX3DHDouble RatchetRead more → - 02 · DOMIKSMART Shipped
DomikSmart — short-term rental CRM
March 2025 — March 2026
A complete CRM for 50+ rental properties: calendars, bookings, messaging integrations, and a public SSR site.
ReactNext.jsTypeScriptPostgreSQLPrismaDockerCoolifyTraefikRead more → - 03 · REKCAR Shipped
Rekcar.ru — legacy backend modernisation
April — August 2025
TypeScript migration, modular REST architecture across 50+ endpoints, full CI/CD, and a brand-new admin panel.
Node.jsTypeScriptNestJSReactPostgreSQLTypeORMDockerAWS S3Read more → - 04 · SAAS TUNING Shipped
Remote Industries — 10K+ user SaaS tuning
June — August 2024
Deep PostgreSQL/Mongo optimisation and RabbitMQ queue design on a live SaaS — 45% latency cut.
Node.jsPostgreSQLMongoDBRabbitMQDockerRead more → - 05 · AUTOPOST-BOT Archived
AUTOPOST-BOT — Telegram RSS + paid subscription
Aug 2023 — Mar 2024 · Archi-Pro
Production Telegram bot: RSS parser, scheduled channel posting, built-in payment system, license-key subscriptions. One of 15+ bots I shipped that year.
Node.js 20MongoDBTelegrafTelegram Bot APITelegram PaymentsPM2XLSX / CSV parsersRead more →