Sergei Ignatenko

Senior Unity Developer | Game Servers at Scale | 15 Years of Experience
Herceg Novi, Montenegrosergei.ignatenko@cbse.devLinkedIn

Experience

Feb 2017 - May 2025
Auckland, New Zeland

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 with 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 simulation of players;
  • Participated in operational response to production incidents and stability issues.
Jan 2016 - Oct 2016
Moscow, Russia

Unity Developer

Developed and maintained social games and applications made 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.
Sep 2012 - Sep 2015
Yakutsk, Russia

Unity Developer

Multidimensional Technologies

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.

Feb 2011 - Mar 2012
Yakutsk, Russia

Software Developer

Dango Games

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.

Projects

Sep 2021 - May 2025
Battle Royal

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.

Unity C# Photon Unity Networking (PUN) Gamelift
Feb 2018 - Aug 2021
Brawler

Manastorm: Arena of Legends

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

Unity C# UNet Gamelift
Feb 2017 - Jan 2018
Mobile Shooter

Exowars (Prototype)

Unity C# UNet
Jan 2016 - Jun 2016
Hidden Object

Вероника. Беглянка

Unity C# WebGL
Feb 2011 - Mar 2012
Hidden Object

Shimmering Kingdom (Prototype)

C++ OpenGL WinAPI GLSL

Skills

Game Development

Unity ⭐ Photon ⭐ UNet Mirror FMOD

Cloud Infrastructure

AWS GameLift ⭐ AWS S3 AWS SNS AWS CloudFront

CI/CD

Jenkins Pipelines ⭐ Bash Powershell Fastlane Multi-platform builds

Metrics & Monitoring

AWS CloudWatch ⭐ StatsD ProcD Prometheus Grafana

Containerization

Agones ⭐ OpenMatch ⭐ AWC ECS AWS ECR Docker Kubernetes (k8s)

Languages

C# ⭐ C++ Python

Education

Sep 2009 - May 2013
Information Technologies

North-Eastern Federal University

Bachelor in Information Technologies

Languages

Русский — Native English — Professional Working Proficiency Crnogorksi — Limited Working Proficiency