Andrew

Andrew Backulev Senior Unity Developer
Mobile | PC | Multiplayer | Performance | Architecture

Spain | [open contact info](look above in the "contact info" section) | [open contact info](look above in the "contact info" section) LinkedIn

Professional Summary
Senior Unity Developer with 8+ years of experience delivering mobile, AR/XR, multiplayer, PC, and WebGL
applications from concept through production release. Strong expertise in Unity and C#, software
architecture, performance optimization, and scalable client-server systems.
Experienced in designing maintainable gameplay architectures using SOLID principles, dependency
injection, asynchronous programming, and modern Unity development practices. Proven ability to
identify and resolve CPU, GPU, memory, and runtime stability issues, including reducing CPU load by 35%
and memory usage by 40% on a production AR project.

Skilled in ARFoundation, Vuforia, Niantic Lightship, Photon, PlayFab, Firebase, Addressables, Zenject,
UniTask, and CI/CD automation. Experienced in technical leadership, mentoring developers, collaborating
directly with clients and stakeholders, and delivering applications across mobile, XR, WebGL, Steam,
Google Play, and the App Store.

SKILLS

Unity & Rendering: Unity, C#, URP, HDRP, 2D, 3D, WebGL
AR/XR: ARFoundation, Vuforia, Niantic Lightship (ARDK), XR Interaction Toolkit, Meta Quest
Multiplayer: Photon, TCP/IP, WebSocket
Backend & Networking: PlayFab, Firebase, REST API, BestHTTP
Architecture: SOLID, OOP, Design Patterns, Dependency Injection, Zenject, VContainer
Performance: GPU/CPU Profiling, Memory Optimization, Addressables, Object Pooling
Async/Reactive: UniTask, UniRx, R3
CI/CD & Tools: Git, GitHub, GitLab, LFS, CI/CD Pipelines, Xcode, Android Studio
Monetization & Analytics: IAP, Subscriptions, IronSource Ads, Analytics, SkillZ
Animation: Unity Animator, Spine, DOTween
Web & Other: TypeScript, React, PIXI.js, GSAP, Blockchain/NFT integrations

PROFESSIONAL EXPERIENCE

Senior Unity Developer (Contract) — Lucid Reality Labs

09/2025 – 07/2026, Poland, Remote

Contributed to development of XR content creation and delivery platform.
Worked on XR/VR experience building platform in WebGL
Worked on demo projects for enterprise healthcare companies
Reduced runtime crashes and memory-related issues through profiling and
architecture refactoring.
Implemented gameplay systems for live Unity XR creator app with focus on
runtime stability and scalability.
Implemented and optimized gameplay systems and production features for live
Unity applications.
Delivered features and fixes in close collaboration with clients
Improved runtime stability and maintainability of production Unity applications
through gameplay systems optimization and architecture refactoring.
Optimized runtime performance and resolved complex memory leak issues
Participated in internal tech talks and architectural discussions
Implemented CI/CD pipeline elements for Unity build automation

Tech: Unity, C#, Addressables, Service Locator, UniTask, R3, Profiling, CI/CD,

Lead Unity Developer — SwyTapp

03/2024 – 09/2025, Ukraine, Remote

Led full development cycle from concept to store release (Steam)
Designed and implemented core systems for 3D PC horror game (The Floor Above)
Performed deep performance optimization and memory usage improvements
Active participation in feature architecture development
Contributed to product design and technical decision-making
Optimized gameplay systems and resolved production issues through profiling,
architecture improvements, and memory optimization.
Slot PIXI development (PIXI, TypeScript, React, GSAP, Spine, Vite)
Improved game performance and refactored core gameplay systems for Chess
Game
Worked with design team to redesign mechanics and UX flow
Increased code stability and scalability through architecture improvements
Implemented new features and resolved critical bugs in production builds
Maintained direct communication with client and stakeholders
Refactored core gameplay architecture and implemented scalable Unity systems
to improve maintainability and production stability.

Tech: Unity, C#, HDRP, Shader Graph, Firebase, Addressables, Zenject, UniTask, PIXI,
TypeScript, React, GSAP, Spine, Vite

Lead Unity Developer — RailCar Studio

01/2023 – 03/2024, USA, Remote

Full development circle from zero to publishing in store (Google Play, App Store)
Developed interactive and immersive AR experiences using Unity game engine and
Niantic SDK (ARDK)
Integrated audio and user interface elements into Unity to enhance the overall
experience
Designed and implemented AI behavior system for enemies
Reduced CPU load by 35% and memory usage by 40% by refactoring gameplay
architecture and implementing Addressables & pooling.
Led end-to-end development and publishing of AR game Invaders (Invaders)
Actively participated in product design

Tech: Unity, ARFoundation, ARDK, Lightship, UniTask, Firebase, AI Systems

Unity Developer — FGFactory

07/2020 – 12/2022, Ukraine, Kharkiv

Collaborated with artists and designers to implement models, animations, and visual
effects into Unity
Created advanced gameplay mechanics and systems for various projects
Led gameplay development for mobile titles developed by teams of 2–4 engineers.
Developed and published map-based game ( Playcrowd )
Worked on the project with blockchain and NFT systems
Developed multiplayer tetris game with match3 elements
Implemented key mechanics and features for chess game for kids.(ChessKid)
Implemented core mechanics and features in multiplayer card game with video
communication (FaceBelote)
Implemented backend features using Playfab (Zula)
Developed transfer features for project from Cocos2D to Unity (Lucky Time Slots)

Tech: Unity, Photon, IronSource, UniTask, Firebase, DoTween, PlayFab, BestHTTP, Agora ,
FacebookSDK, Zenject.

Unity Developer — Cyborgs.pro

11/2018 – 07/2020, Ukraine, Kharkiv
AR application with client-server architecture for restourants.
Implemented core mechanics and features in multiplayer card game ( Solitaire )
Built AR face scanner app with OpenCV
Developed 2D endless runner
Worked on AR/Mobile 2D demo projects

Tech: Unity, AR, Vuforia, Photon, OpenCV, Client‑Server Architecture, SkillZ

EDUCATION National Aerospace University -'Kharkiv Aviation Institute'
(09/2014 - 12/2019)

Master's Degree in Applied Mathematics

LANGUAGES English — Advanced