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Hi, I’m Yaroslav (Slavik) Yatskiv — a Unity Game Developer with 5+ years of commercial experience delivering cross‑platform gameplay, UI, and AI systems. I’ve led architecture and gameplay implementation for PC, iOS, and Android titles, focusing on performance, data‑driven design, and SDK integrations. I’m open to UK remote or hybrid roles and enjoy collaborating with teams to ship robust, scalable experiences. I specialize in Unity, C#, and cross‑platform tooling, with hands‑on work in WebGL, backend integrations, analytics, monetization features, and VR/AR prototypes. I enjoy building efficient pipelines, optimizing memory and performance, and delivering polished player experiences while balancing deadlines and quality.…Hi, I’m Yaroslav (Slavik) Yatskiv — a Unity Game Developer with 5+ years of commercial experience delivering cross‑platform gameplay, UI, and AI systems. I’ve led architecture and gameplay implementation for PC, iOS, and Android titles, focusing on performance, data‑driven design, and SDK integrations. I’m open to UK remote or hybrid roles and enjoy collaborating with teams to ship robust, scalable experiences. I specialize in Unity, C#, and cross‑platform tooling, with hands‑on work in WebGL, backend integrations, analytics, monetization features, and VR/AR prototypes. I enjoy building efficient pipelines, optimizing memory and performance, and delivering polished player experiences while balancing deadlines and quality.

Yaroslav Yatskiv

Game Developer, Web Developer, App Developer, +4

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Hi, I’m Yaroslav (Slavik) Yatskiv — a Unity Game Developer with 5+ years of commercial experience delivering cross‑platform gameplay, UI, and AI systems. I’ve led architecture and gameplay implementation for PC, iOS, and Android titles, focusing on performance, data‑driven design, and SDK integrations. I’m open to UK remote or hybrid roles and enjoy collaborating with teams to ship robust, scalable experiences. I specialize in Unity, C#, and cross‑platform tooling, with hands‑on work in WebGL, backend integrations, analytics, monetization features, and VR/AR prototypes. I enjoy building efficient pipelines, optimizing memory and performance, and delivering polished player experiences while balancing deadlines and quality.…Hi, I’m Yaroslav (Slavik) Yatskiv — a Unity Game Developer with 5+ years of commercial experience delivering cross‑platform gameplay, UI, and AI systems. I’ve led architecture and gameplay implementation for PC, iOS, and Android titles, focusing on performance, data‑driven design, and SDK integrations. I’m open to UK remote or hybrid roles and enjoy collaborating with teams to ship robust, scalable experiences. I specialize in Unity, C#, and cross‑platform tooling, with hands‑on work in WebGL, backend integrations, analytics, monetization features, and VR/AR prototypes. I enjoy building efficient pipelines, optimizing memory and performance, and delivering polished player experiences while balancing deadlines and quality.

Available to hire

Hi, I’m Yaroslav (Slavik) Yatskiv — a Unity Game Developer with 5+ years of commercial experience delivering cross‑platform gameplay, UI, and AI systems. I’ve led architecture and gameplay implementation for PC, iOS, and Android titles, focusing on performance, data‑driven design, and SDK integrations. I’m open to UK remote or hybrid roles and enjoy collaborating with teams to ship robust, scalable experiences.

I specialize in Unity, C#, and cross‑platform tooling, with hands‑on work in WebGL, backend integrations, analytics, monetization features, and VR/AR prototypes. I enjoy building efficient pipelines, optimizing memory and performance, and delivering polished player experiences while balancing deadlines and quality.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

English

Advanced

Ukrainian

Fluent

Russian

Advanced

Polish

Intermediate

Work Experience

Freelance Unity Developer at Self-employed

September 1, 2024 - Present

Ported the classic 1993 Doom game to Telegram as a WebGL-based game; Adapted the game 'Survival' for the Telegram platform; Developed a full-cycle game from scratch, creating a modern reimagining of the classic Battle City game for WebGL.

Unity Developer at TAB Apps

September 1, 2024 - October 22, 2025

Led the full-cycle development of an AI-powered dating application, handling architecture design to deployment using GPT API, Firebase, and Facebook API; Designed and implemented A/B testing strategies; Integrated Adapty, AppsFlyer, Facebook API, and other analytics tools; Configured security measures including Firebase App Check & Functions.

Unity Developer at Heavyart

January 1, 2024 - October 22, 2025

Developed and integrated character abilities in a MOBA game, optimized performance, and implemented advanced mechanics; Created a VR game library with video playback and AI for bots; Ported a project to WebGL, designed touch controls, and migrated tools to a new platform while integrating backend database solutions to support persistent player data.

Unity Developer at Argentics.IO

February 1, 2022 - October 22, 2025

Developed user interfaces from scratch, handling the full UI/UX pipeline, including UI logic, animations, and interactive elements; Integrated Cinemachine for dynamic camera systems; Worked with character animation systems, developed AI-driven bots, and integrated sound effects for an immersive player experience.

Freelance Unity Developer at Self-employed

September 1, 2021 - October 22, 2025

Took full ownership of frontend development, building responsive UI menus, HUDs, and transitions; Developed a runner mobile game with procedural level generation; Created a grid system for building placement and mini-games to enhance user interaction; Developed character skill trees and optimized AI performance; Integrated Firebase Analytics; Handled the entire UI/UX design and implementation, including animations and interactive elements.

Unity Developer / Lead Engineer at GamePack Studio

June 1, 2025 - Present

Led Unity-side architecture and gameplay implementation for a PC Steam project, covering first-person controller, interaction, inventory, progression and enemy AI. Designed a data-driven content architecture with ScriptableObject definitions and addressables, separating gameplay logic from items, level and progression data. Profiled and optimized UI rendering, memory usage and build performance for PC/Steam using Unity Profiler and Frame Debugger. Delivered a full-cycle WebGL puzzle game as a solo Unity developer, building the Unity client, Node.js backend integration, MongoDB, AWS deployment and JWT authentication.

Unity Developer at HEAVYART

February 1, 2022 - June 1, 2025

Delivered multiple Unity WebGL games for Telegram Mini Apps, owning WebGL build optimization, mobile browser compatibility and deployment. Adapted a classic FPS-style WebGL project for Telegram Mini Apps, solving memory, asset loading, controls and low-end mobile performance issues. Built a Battle City-inspired WebGL game from scratch, including gameplay loop, input, UI and Telegram-ready deployment. Designed modular MOBA ability systems with targeting, cooldowns, combat rules, VFX hooks and network-aware gameplay behavior. Built reusable bot AI systems using statemachines, NavMesh navigation and targeting across MOBA and VR projects.

Unity Developer / Lead Engineer at TAB Apps

January 1, 2024 - September 1, 2024

Led full-cycle Unity mobile app development for iOS and Android, owning architecture, feature delivery, SDK integrations and release preparation. Integrated GPT AI API, Firebase Auth, Firestore, Cloud Functions and Facebook SDK, including offline-tolerant sync and backend-connected app flows. Built a Firebase Remote Config and Analytics A/B testing framework for onboarding, paywall and feature experiments, contributing to a 35% increase in subscription purchase conversions. Integrated Adapty subscriptions, AppsFlyer attribution and Firebase App Check for monetization tracking, campaign analysis and client/backend security.

Unity Developer at Argents.IO

September 1, 2021 - February 1, 2022

Contributed to early Unity development for Last Flag, a PC team-based capture-the-flag shooter; focused on game play UI, camera and character systems. Built UI/UX flows from scratch, including HUD, animated transitions and in-game feedback loops.

Unity Developer at Digit Ink

February 1, 2021 - September 1, 2021

Shipped a Unity mobile runner game, implementing the core game play loop, procedural level generation, player progression and mobile UI flow.