About Yaroslav
Hello! 👋
My name is Yaroslav, a passionate Unity Developer ! 🎮
Experienced in mobile game development with 4+ years of commercial experience: 💻
- Took part in developing multiple published projects with over 30M+ downloads 📱
- Expertise in Unity + C#, Design Patterns, OOP, ECS & SOLID principles 🏗️
- Developed client-server both sides architecture with .NET and Unity 🏢
- Worked with Ad SDKs (AdInMo, Gadsme, Unity Ads, Google AdMob, CAS) 📢
- Integrated IAP, Firebase, Google Analytics, and CI/CD pipelines ⚙️
- Familiar with Scrum & Kanban methodologies for efficient teamwork 🏆
- Experienced with Addressables, Zenject, UniRx, Entitas ECS, Photon Fusion 🌐
Russian
Native or bilingual
English
Fluent
French
Basic
Ukrainian
Native or bilingual
Can work on-site
Paris (up to 10km)
Experience
- Comet SpaceStrong Middle / Senior Unity DeveloperTECHAugust 2025 - February 2026 (6 months)Kyiv, UkraineDeveloped and maintained advanced client-server communication systems for large-scale mobile projects, collaborating closely with backend engineers to deliver secure, fault-tolerant networking solutions. Architected a modular Server-Driven State (SDS) system with serialization, caching, and client-side prediction to ensure responsive gameplay and scalable features.
- Designed and implemented a modular SDS system, reducing request/response time from 1–3 seconds to 0.1 seconds
- Introduced Client-Side Prediction, cutting server-dependent calls by 50% and improving gameplay responsiveness
- Built data and package caching mechanisms, reducing network load and improving performance
- Created a flexible and scalable architecture, simplifying integration of new features and maintenance
- Collaborated closely with backend engineers to streamline API design and ensure smooth deployment workflows
- PSV Game StudiosJunior / Middle Unity DeveloperTECHFebruary 2023 - August 2025 (2 years and 6 months)Kyiv, UkraineManaged several mobile project development cycles from Casual to Mid-Core, integrated new features, supported and extended existing ones. Implemented various game mechanics and optimized team work processes.
- Took part in full-cycle team project developing up to 12 members
- Created long-term support architecture for 3 years+ production projects
- Maintained optimization for old hardwares for support 100+ million devices
- Integrated ADS SDK's integrations with Android & IOS (AdlnMo, Gadsme)
- Various gameplay mechanics implementation (from Casual to Mid-Core)
- Collaborated with team using Scrum & Kanban (2+ years experience)
Recommendations
Be the first to recommend Yaroslav
Help this freelancer shine by sharing your experience working together.
These freelancer profiles also match your criteria
Agatha Frydrych
Backend Java Software Engineer
4.7
(3)
2
Baptiste Duhen
Fullstack developer
4.6
(4)
5
Amed Hamou
Senior Lead Developer
4
(2)
7
Audrey Champion
Web developer
4.3
(3)
4
Education
- Bachelor of Computer Science DegreeKROK University2025Bachelor of Computer Science Degree
- Computer Science Associate DegreeKROK College2023Computer Science Associate Degree