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Piotr Baja

Senior Unity/XR Developer specializing in VR/AR multiplayer experiences

Szydłowiec, PolandSenior Unity Developer, Lead Developer9 years experienceSeniorVirtual RealityAugmented RealityXR (Extended Reality)
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About

VR multiplayer Unity developer who implemented high-impact interaction systems (notably a math-driven, physics-aware door system with audio occlusion and culling) and designed/built a fully custom cross-platform multiplayer stack from scratch using KCP, WebSockets, WebRTC, and MemoryPack—plus recording, NPC support, and backward-compatible client modes for an educational/learning platform.

Experience

Senior Unity Developer, Lead DeveloperXR Wizards / Mazer - XR Solutions for Business and Education
Unity Developer & Electronics EngineerCentral Institute for Labor Protection - National Research Institute
Junior & Mid Unity DeveloperMojoApps.co - VR & AR Software House

Key Strengths

  • Built a custom multiplayer solution from scratch (KCP + MemoryPack) to meet flexible product requirements
  • Designed multi-transport networking to support broad platform deployment (KCP + WebSockets + WebRTC)
  • Pragmatic networked-physics synchronization (authoritative last-holder + dead reckoning) aligned to non-competitive VR learning use case
  • Implemented complex VR door interactions with intuitive UX for inexperienced/child users
  • Performance-minded gameplay systems (object culling, audio muffling/occlusion tied to gameplay objects)
  • Maintains backward compatibility via a basic/spectator mode for very old clients

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Contact

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Languages

PolishEnglish

Skills

UnityC#C++Shader programmingGraphics optimizationCode optimizationTroubleshootingMultiplayer networkingSecure networkingProgramming patternsAlgorithmsVR developmentAR developmentXR developmentMeta Quest