- Languages
- Python, Go, PHP, TypeScript, JavaScript, Java, C++, SQL
- Backend & data
- Fastify, Node.js, Flask, REST APIs, PostgreSQL, MariaDB/MySQL, Prisma, relational modeling, parsing & validation
- Frontend
- React, Next.js, Vite, HTML/CSS, responsive interfaces, reusable components
- Infrastructure
- Linux, rootless Podman, Docker, systemd, Quadlet, nginx, Unix sockets, SSH/TLS, service isolation
- Engineering
- Git, unit/integration testing, Playwright, debugging, algorithms, technical documentation, deployment verification