Senior Unity Engineer (Mobile Games)
Location: Serbia, Bulgaria, Poland, Romania, Hungary, Montenegro
Department: Production, Engineering
Workplace: remote
Description
Type: Full time - Remote
Location: Remote - Europe (Serbia, Poland, Romania, Hungary, or Bulgaria preferred).
Role Overview
We are looking for a Senior Unity Engineer (Mobile F2P Games) to help build and scale our live-service mobile titles.
This role is ideal for engineers who enjoy working across gameplay systems, UI, and live-service features in a fast-moving development environment.
Senior Engineers are hands-on builders who collaborate closely with designers, artists, and product leaders to turn ideas into polished player experiences.
Engineers on our team operate as generalists, contributing across gameplay systems, UI, and live-service infrastructure.
What You'll Work On
- Free-to-play mobile games spanning casual, puzzle, and action experiences
- Live-service systems including progression, events, rewards, and monetization features
- Gameplay systems and player interactions that support highly replayable mobile experiences
- Tools and content pipelines that allow designers to rapidly ship new features and live updates
Engineering Culture
Our engineers work in small, high-ownership teams where developers collaborate directly with design and product to ship features quickly, iterate based on player feedback, and continuously improve our live games.
Responsibilities
- Implement gameplay mechanics and systems using Unity and C# for mobile games
- Translate design ideas and requirements into scalable, maintainable gameplay systems
- Build modular systems that support rapid iteration and live-service content updates
- Implement UI flows and gameplay feedback systems
- Integrate art assets, animations, and gameplay content into the client
- Support progression systems, rewards, events, and monetization features
- Optimize performance, memory usage, and stability across mobile devices
- Identify and resolve technical issues and gameplay bottlenecks
- Collaborate closely with designers, artists, and producers to deliver features
- Participate in code reviews and contribute to engineering best practices
Requirements
Required
- 5+ years professional game development or Unity engineering experience
- 3+ years developing games using Unity and C#
- Experience shipping commercial mobile games
- Experience working on free-to-play or live-service mobile games
- Strong understanding of object-oriented programming and software architecture
- Strong knowledge of Unity including scripting, animation systems, UI, and asset integration
- Experience optimizing performance, memory usage, and build size for mobile devices
- Proficient with version control systems such as Git
- Strong written and spoken English communication skills (required for collaboration with a global team)
Preferred
- Experience integrating backend services and APIs
- Experience working with analytics and telemetry systems
- Familiarity with modern software architecture and design patterns
- Experience working with animation systems, physics systems, or particle effects
- Experience collaborating in cross-disciplinary product teams
Bonus Skills
- Experience supporting large-scale live operations and seasonal events
- Experience improving development pipelines and engineering tooling
- Experience working on games with large player bases
AI & Development Tools
- Experience using AI-assisted engineering tools
- Strong interest in adopting AI-driven development workflows
Benefits
- Contribute directly to live-service mobile games from development through launch and ongoing live operations
- Work in a small, collaborative team where your work ships quickly and has real player impact
- High ownership and visibility, with direct influence on how players experience our games
- 100% remote, flexible work with a globally distributed team
- Paid Time Off and flexible scheduling
- Annual performance reviews and opportunities for career growth
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