Good Sailors
Mar 2023 — PresentBackend Developer & Tech Lead
GasStorage CZ — NomSys
Developed the nomination process system for Gas Storage CZ — the largest underground gas storage operator in the Czech Republic (2.7 bcm capacity). Designed the workflow for this mission-critical data-heavy system based on gas market principles and transactional processing. Built integrations with NET4GAS (gas transmission system operator) and OTE (Czech electricity and gas market operator).
Welcomo
Helped develop a self-service visitor and logistics management system for buildings. Terminal-based kiosk replaces traditional reception — handles visitor check-in, QR scanning, video verification, and access card issuance.
WhiteCat Tech Lead
Led the project as Tech Lead — drove architecture decisions, provided mentoring, and coordinated the team across all three components: custom OpenWRT router firmware, Symfony backend API, and Android application. Personally developed the Go module running on the OpenWRT router.