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Ivan Kadyka - Technical Lead in Warsaw, Poland

Ivan Kadyka

Staff Technical Lead specializing in Unity and .NET

TIMETOBOOKBelarusian National Technical UniversityWarsaw, Poland11 Years ExperienceStaff Level

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About

Unity/gameplay engineer (Playtika) who built a state-machine/ECS-driven slot/bonus engine in a client-server setup, focusing on consistent outcomes under latency and highly engaging reward sequences. Also implemented server-authoritative real-time challenges/contests via an event-driven messaging system (SignalR-like) across iOS/Android/WebGL/UWP, and validates impact through retention/session/engagement analytics.

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Key Strengths

  • Built client-side state machine synced with server-driven logic for consistent gameplay under network latency
  • Designed state-machine/ECS-driven slot bonus sequences (spins, rewards, challenge triggers) to improve game feel
  • Implemented server-authoritative real-time challenges/contests with buffering and reconnection for reliability
  • Measured feature impact using analytics (retention, session length, bonus engagement)
  • Strong AI-assisted engineering workflow with rigorous review, refactoring, and multi-level testing

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Experience

Technical LeadTIMETOBOOK · Jan 2024 – Jan 2025
Technical LeadPlaytika · Jan 2022 – Jan 2023
Software DeveloperPlaytika · Jan 2012 – Jan 2021

Education

Belarusian National Technical Universitybachelor, Software Engineering in Computer Science (2013)

Languages

EnglishRussianBelarusianPolish

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Connect with Ivan

Ivan already has a relationship with Reval, so a warm intro from us gets a much better response than cold outreach.

Typically responds within 24 hours

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Ivan KadykaStaff Technical Lead specializing in Unity and .NET