From a full-cycle solo product to internal highload systems built with a team.
AI-powered dating platform: ML-based matching (LightGBM), 30+ psychological tests, a couples ecosystem (shared budget, timeline, challenges), integrations (Steam, Spotify, Kinopoisk, OAuth), premium subscriptions, WebRTC calls, real-time chat, and 6-level anti-doxxing protection.
Client-facing app and internal app for service center staff. Geo-search with timezone detection, order flows, an API-key system, and integration tests for 50+ routes.
A bilingual (RU/EN) portfolio site in plain HTML/CSS/JS, no build step. Auto-deployed to GitHub Pages via GitHub Actions, with semantic markup, accessibility, and SEO out of the box.