- Backend: NestJS, Fastify, FastAPI, Fiber, Axum, etc...
- Frontend: Nuxt, Vue 3
- Databases: PostgreSQL, MongoDB, Redis, ClickHouse
- Brokers: Nats + JetStream, RabbitMQ
- Real-time: WebSocket, TCP, Custom over TCP
- DevOps: K8S, CI/CD, Docker
- Langs: TypeScript, Python, Rust, C++
- Design high-load, secure backend systems
- Build real-time apps
- Deployment & monitoring
- Advanced system programming (Rust, C++)
- Security patterns & encryption
- Telegram: @lolipop