Давид

DAVYD HNATKIVSKYI
SENIOR UNITY DEVELOPER
Game Development | Simulation | R&D
[open contact info](look above in the "contact info" section) | [open contact info](look above in the "contact info" section) | Ukraine
[open contact info](look above in the "contact info" section) | t.me/Izurat

PROFESSIONAL SUMMARY

Senior Unity Developer with 8+ years of commercial experience building cross-platform games and real-time
simulations for PC, consoles, mobile, and WebGL. Strong in gameplay and systems architecture, UI and input,
asynchronous workflows, networking integrations, profiling, optimization, and legacy refactoring. Recent work
spans skill-based iGaming, physics-heavy marine and FPV simulation, and an ML-oriented environment for
synthetic data and computer-vision testing. Experienced in product, outsource, and R&D teams, including technical
ownership, code review, and mentoring.

CORE EXPERTISE

Unity & C#: Unity 6, URP, UGUI, Input System, UniTask, Addressables, Zenject, Unity Profiler
Architecture: SOLID, OOP, DI/IoC, FSM, async systems, unit testing, legacy maintenance and refactoring
Simulation & ML/CV: physics-based simulation, Crest, DWP2, ONNX/Sentis workflows, synthetic datasets, bounding
boxes and annotations, scenario randomization
Networking & Services: Photon, Photon Fusion, REST, WebSockets, Firebase, analytics, In-App Purchases
Platforms & Tooling: PC, consoles, Android, iOS, WebGL, Git, Rider

RECENT CONTRACT & R&D WORK

Unity Developer / Tech Lead
Spectraz | Aug 2025 - Present
Led Unity development for a survival RPG, including subsystem architecture, code review, and technical research.
Designed narrative and dialogue systems, acts and quests, and NPC roaming across locations.
ML / Computer Vision Simulation Environment
Unity Developer | 2026 - Present
Developing a Unity-based environment for computer-vision testing and synthetic-data workflows. Work includes
configurable drone-camera scenarios, moving targets, weather and visibility variation, bounding-box and label
ground truth, repeatable hard cases, and evaluation across distance, lighting, and occlusion.
FPV Drone Simulator
Unity Developer | Aug 2026 - Sep 2026
Worked on an existing FPV simulator and its training systems. Designed exercise flows for throttle, takeoff, landing,
hovering, and constrained flight; worked with RadioMaster TX12 input and calibration; and researched
deterministic and server-authoritative multiplayer options using Photon Fusion and Photon Quantum.
Skill-Based iGaming Prototype
Unity Developer | 2025
Built a WebGL prototype in Unity 6.3 LTS and URP with an explicit gameplay FSM, UniTask-based timers, a custom
signal bus, session persistence, bet and difficulty UI, and Addressables-driven popup content.
Marine / Vehicle Simulation
Selected project
Integrated Crest Ocean System and DWP2 for a physics-heavy boat simulation, focusing on water interaction,
vehicle behavior, controller integration, and debugging complex third-party systems.

DAVYD HNATKIVSKYI Senior Unity Developer

PROFESSIONAL EXPERIENCE

Tech Lead
Spectraz | Aug 2025 - Present
- Owned subsystem architecture, code review, and technical research for a survival RPG.
- Designed narrative and dialogue systems, acts and quests, and NPC roaming across locations.

Unity Developer
Pica Trabax | Oct 2024 - Jun 2025
- Delivered mobile casual titles through the full development cycle.
- Integrated advertising, In-App Purchases, analytics, and A/B testing.
- Profiled and optimized performance while supporting monetization and product experiments.

Unity Developer
Fishing Planet | Dec 2022 - May 2024
- Developed a cross-platform fishing simulator for Steam, consoles, Android, and iOS.
- Worked on UI and input, REST and WebSocket integrations, personal-offer modules, and reusable components.
- Refactored legacy systems and improved stability, performance, and documentation.

Unity Developer
Room 8 Studio | Mar 2019 - Dec 2022
- Fall Guys mobile for Mediatonic: bot logic, environment interaction, optimization, and bug fixing.
- Trivial Pursuit 2 for Ubisoft: UI and input, profiling, multi-platform support, and backend integrations.
- Trivia project: networked gameplay and networking layer using Photon Network.
- Built reusable components, maintained technical documentation, and mentored a junior developer.

Unity Developer
Real One Digital | Jun 2018 - Mar 2019
- Built a tycoon-style game and implemented new gameplay mechanics for an outsource project.
- Integrated Firebase Analytics and In-App Purchases.

LANGUAGES

Ukrainian - native | English - working proficiency