Senior Backend Engineer at UpMarket

Worked on a small team across the entire development lifecycle, from bug fixing to complex feature delivery. Introduced automated testing and CI/CD workflows, enabling continuous integration and quality control across backend and frontend repositories. Implemented secure storage solutions for GDPR‑sensitive data and logs. Strengthened overall system reliability, development workflow stability, and engineering discipline through process improvements.

Board Member & Managing Partner at BNB BUSINESS CLUB

Serve on the board of an international business community connecting entrepreneurs in 25+ countries. Lead the Berlin chapter: organise events, mentor founders, and help shape club strategy. Provide technical and business guidance to members, drawing on two decades of engineering and entrepreneurship.

Fractional CTO & Consultant at Adler Club

Provided fractional CTO and technical consulting services to multiple clients in retail, education, and service marketplaces. AccTrade: Led development of internal systems for a large electronics retailer; performed technical audits, optimised cross‑border transaction logic, and oversaw infrastructure upgrades. AdOneLED Solutions: Developed and maintained technical solutions for LED panel retail; built core software and internal tools; set up digital infrastructure to support logistics and operations. RocketX Academy: Helped launch an AI‑focused online academy by designing clear business‑friendly course content, building internal tools for lesson creation, and coordinating teams. DeinHausmann: Developed and maintained a cloud‑based platform matching customers with craftsmen; built backend services using JavaScript and NoSQL databases; managed DevOps processes and platform reliability.

Senior Software Product Engineer at Tamara

Engineered and maintained high‑load buy‑now‑pay‑later services used across the Middle East, Europe, and Asia, supporting millions of transactions. Integrated banking and third‑party APIs and improved system reliability, scalability, and security. Contributed to platform architecture during hypergrowth and supported both internal tools and customer‑facing features. Mentored junior engineers and collaborated with cross‑functional teams to deliver product enhancements.

Information Technology Specialist at Wayfair

Maintained and optimised global logistics and cross‑docking systems, reducing per‑carton processing time from 15s to under 1s. Resolved customs‑related logic affecting more than US$ 200M in inventory. Led Brexit transition workstreams to ensure uninterrupted goods flow across the EU. Refactored monolithic applications into microservices and modernised infrastructure to improve scalability and maintainability.