Full stack development of network and application security products, from Linux base operating system, kernel hardening, firewall tuning, application runtime provisioning to core business services, management applications and database backends to web GUIs and REST APIs. Strong focus on unit testing, clean code, good UX and reliable CI/CD pipelines, introduction of modern frameworks and cleanup of legacy code.

Member of the coordination team running a non-profit multi-cultural community day center for people in need. Responsible for the IT infrastructure (public wifi, LAN for office work and computer classes, CCTV, long-distance wifi links, development of internal applications for distribution of basic needs items, staff management, accounting and donor management), focal point for inter-organizational collaboration, media inquiries and institutional donors, collaboration in stakeholder management, fundraising, social media and on-site treasury. Support of site-security, staff training and emergency response.