Projects
Telegram bot enabling two users to share music and track listening habits. Features unique pairing codes, automatic link detection (Spotify/YouTube), click tracking, and scheduled reminder notifications.
PixelPro CRM
- FastAPI
- Redis
- Docker
- PostgreSQL
- NextJS
Full-stack CRM with FastAPI backend and Next.js 15 frontend. Features citizen data integration (ASAN), Jitsi video meetings, and JWT auth.
Ferrum Capital Mobile
- React Native (Expo)
- Expo Modules
- TypeScript
- TanStack React Query
- React Hook Form
- Zod
Mobile factoring app with 100,000+ active users. Designed and implemented full-stack SIMA citizen certificate authentication with X.509 certificate parsing and RSA-SHA256 signature verification. Developed multi-module architecture for obligations, factoring, and video-meetings with Firebase Cloud Messaging push notifications and offline capabilities.
Mental health platform with 30+ partner psychologists and 400+ active customers. Built with Server Actions as type-safe RPC and end-to-end validation with Zod schemas. Custom design system with shadcn/ui components and TailwindCSS. Implemented JWT token rotation via Edge middleware with automatic refresh on 401 responses and HTTP-only cookie-based session storage.
Jupyter-like notebook for JavaScript/React with live in-browser code execution using esbuild-WASM.