Sergei Ignatenko

Senior Unity Developer

Designed and operated large-scale multiplayer infrastructure and authoritative game servers for mobile titles, supporting global matchmaking, AWS GameLift deployments, and live production systems serving thousands of concurrent players.

• Supported ~11,000 CCU with global infrastructure across 6 AWS regions;
• Designed and implemented authoritative multiplayer server architecture migrating the project from early P2P networking to dedicated servers on AWS GameLift;
• Integrated AWS GameLift + FlexMatch queues with a custom matchmaking service layer;
• Reduced average matchmaking time 23s → 11s using slot reservation and backfill;
• Ported server infrastructure with Agones + OpenMatch to run in container environments provided by hosting partners;
• Wrote Jenkins pipelines, supporting multiple environments and automated game server builds;
• Implemented telemetry and analytics systems, sending gameplay and tech metrics to Firebase, Amplitude, Unity Analytics, and internal dashboards;
• Created crash reporting integrated with Firebase Crashlytics and Unity Cloud Diagnostics;
• Developed tools for designers and LiveOps, including progression editing, matchmaking rules management, and remote configuration workflows;
• Built a spectator client for esports-style viewing, supporting camera control, player switching, and cinematic camera paths;
• Built a distributed load-testing system using AWS ECS, allowing large-scale automated player simulation;
• Operative team member, provided first response to production incidents and critical system stability issues.

Unity Developer

Developed and maintained social games and applications built with Unity, including a 3D security system module with C++ integration, improving performance, fixing critical issues, and delivering custom tools for content workflows.

• Maintained and extended a legacy WebGL Hidden Object game built with Unity, resolving gameplay and UI soft-lock issues and stabilizing the production codebase.
• Reduced initial game loading time 40s → 12s seconds by redesigning the asset loading pipeline and implementing staged resource loading using AssetBundles.
• Built custom Unity Editor tools for game designers, enabling batch configuration of interactive objects and significantly accelerating content creation workflow.
• Sole developer of a visualization and configuration module for an enterprise security monitoring platform.

Unity Developer

Developed 10+ Augmented Reality mobile apps (Unity, Vuforia, NoesisGUI) featuring image recognition, multimedia overlays, panoramic photo/video environments, visualization of 3D scans and ArchiCAD building models.

Software Developer

Took part in a year-long development of a 2.5-hour playable demo. Contributed to gameplay systems, rendering, and VFX using C++, OpenGL, and WinAPI. Delivered a polished demo presented to investors.

Outfire: Battle Royal Shooter

The fast-paced top-down mobile battle royale shooter where players compete in squad-based matches, using hero abilities and tactical combat to outlast opponents and win the match.

Manastorm: Arena of Legends

Multiplayer arena brawler featuring 3v3 team battles between spell-casting heroes with progression-based abilities.

Exowars (Prototype)

Prototype of a multiplayer mobile shooter about exoskeleton combat and heavy weapon systems, supporting 8v8 team battles and free-for-all modes with a peer-to-peer networking architecture for both internet and LAN matches.

Вероника. Беглянка

Browser hidden object game developed in Unity and distributed through social networks such as VK and Facebook. The project was based on the Russian TV series Veronika and adapted its narrative and visual style into a casual puzzle experience.

Shimmering Kingdom (Prototype)

A Hidden Object adventure prototype inspired by classic casual titles from Alawar.

North-Eastern Federal University