Sergei Spiridonov

Senior Software Engineer (IC) — Backend, Distributed Systems, Game Infrastructure @ MY.GAMES

About

Staff-level Software Engineer with 15+ years of hands-on experience in game backend and distributed systems. Specialized in high-load multiplayer services, performance optimization, and engine-integrated backend architectures (Unreal / Unity). Designed and shipped production systems supporting up to 10k CCU per node. Strong focus on pragmatic architecture, debuggability, and developer productivity. Intentionally pursuing an individual contributor track. 📍 Based in The Hague | Open to remote or hybrid roles

Country

City

Netherlands

Industry

Computer Software

Skill

Kotlin, Algorithms, Mathematics, Hands-on Technical Leadership, Agentic AI Development, Technical Leadership, Continuous Integration and Continuous Delivery (CI/CD), Video Games, Software Development, C#, Game Development, Distributed Systems, Infrastructure, Engineering, Analytical Skills, Unreal Engine, Git, C++, Python, Java

Experience

Senior Software Engineer (IC) — Backend, Distributed Systems, Game Infrastructure

MY.GAMES

2023-2 - Present · 3 yrs 8 mos

Амстердам, Северная Голландия, Голландия

- Built shared backend services integrated with Unreal Engine; production use across multiple projects. - Implemented AI-assisted development pipeline accelerating playable prototypes to 3–5 days. - Owned CI/CD and development infrastructure for backend services. - Hands-on development across backend services and engine-level integration.

Senior Software Engineer

Mail.ru Group

2020-5 - 2023-2 · 2 yrs 10 mos

- Designed common backend stack for multiple online games. - Performed architecture reviews and production performance optimizations for large-scale live games. - Migrated CI to configuration-as-code; improved reliability and repeatability. - Hands-on contributions to backend services and engine integration.

Software Engineer

Mail.ru Group

2007-3 - 2020-5 · 13 yrs 3 mos

Moscow, Russia

- Developed backend services for large-scale multiplayer games, including pathfinding, physics, and scalability systems. - Built a mixed-geometry pathfinding service handling 400 requests per node on open-world maps. - Implemented engine-level changes in CryEngine and Unreal Engine. - Designed a text-based asset format for Unreal Engine, enabling diff/merge workflows and significantly reducing merge conflicts. - Created server-side collision physics for 100+ scene objects (bounding volumes, GJK, inertia calculations). - Maintained high code quality via systematic code reviews and CI practices.