Lead development of core client systems and engine-level infrastructure in Unity/C#. Diagnose and fix cross-cutting performance issues, upgrade third-party SDKs, evolve build tooling, produce design docs, scope multi-week infrastructure initiatives, mentor engineers, and drive profiling, optimization, and architecture changes to enable future features.

Senior server-side engineer to develop and extend gameplay features and systems using PHP, work with relational and non-relational data stores, integrate new tools, and help define and scope work on high-profile live game titles.