Summary
Sergio Lumley is a Senior Software Developer and Computer Engineer with 11 years of experience building cross-platform games and tools, currently based in Hamburg. He specializes in Unity3D client development (URP, DOTS, Cinemachine, Addressables) and has shipped titles across Nintendo Switch, Steam, Microsoft and mobile stores while also implementing CI/CD, package workflows and native platform integrations. His background spans backend Java/Spring systems, Android memory-optimizations for low-end devices, and bridging server and client work for online multiplayer and performance-critical gameplay. Comfortable leading small teams, he introduces testing, tooling and infrastructure improvements that reduce technical debt and accelerate delivery. Bilingual in Spanish and English, Sergio brings a pragmatic blend of systems thinking and hands-on engineering—often contributing both gameplay features and the build/automation plumbing that keeps live services stable.
11 years of coding experience
5 years of employment as a software developer
Computer Engineering, Computer Engineering, Computer Engineering, Computer Engineering at Universidad de Granada
Computer Engineer, Computer Science, Computer Engineer, Computer Science at Linköping University
Spanish, English, German, French