- Languages
- TypeScript, JavaScript, Go, PHP, SQL.
- Backend
- NodeJS, NestJS, ExpressJS, Hono, Go, gRPC, GraphQL.
- Frontend
- ReactJS, NextJS, Remix, React Router, TanStack (Start, Query, Router), Redux, Zustand, Vite, TailwindCSS, Shadcn/ui, Radix UI.
- Mobile
- React Native, Expo.
- Realtime & Messaging
- Kafka, RabbitMQ, Redis, BullMQ, WebSocket, Socket.io, MQTT.
- Databases & ORM
- PostgreSQL, MySQL, MongoDB, ClickHouse, Prisma, Drizzle ORM.
- Observability
- OpenTelemetry, Prometheus, Grafana, Grafana Tempo, Sentry.
- Testing
- Jest, Vitest, Playwright.
- Cloud & DevOps
- AWS (S3, CloudFront, Lambda), Cloudflare (R2, DNS/CDN), Vercel, Docker, PM2, Caddy, Linux (Nginx), GitHub Actions, Gitlab CI/CD, Jenkins.
- AI Tools
- Claude Code, Cursor, Codex.