Andrei Fedosjeenko is a Senior Frontend Engineer based in Copenhagen with a decade-plus background evolving from graphic design into leading UI engineering for major travel and consumer brands. He specializes in architecting and modernizing complex SaaS and web interfaces, having rebuilt front-ends and established design systems for products like momondo and KAYAK. Comfortable bridging design and engineering, he focuses on usability, scalability, and developer ergonomics to keep teams aligned and shipping. His roles at Dixa and the LEGO Group highlight experience delivering at enterprise scale while maintaining front-end craftsmanship. Andrei’s career path—from early visual design work to leading UI rewrites—gives him an unusual blend of visual sensitivity and technical architecture. He’s currently driving frontend strategy and user-facing robustness at Conference Manager.
2 years of coding experience
13 years of employment as a software developer
Interactive Media (TDI), Interactive Media (TDI) at Amsterdam University of Applied Sciences
A type-safe form validation library utilizing web fundamentals to progressively enhance HTML Forms with full support for server frameworks like Remix and Next.js.
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Andrei Fedosjeenko - Senior Frontend Engineer at Conference Manager