Lead Unity Engineer (Mobile Games)
Location: Serbia, Bulgaria, Romania, Poland, 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 Lead Unity Engineer (Mobile F2P Games) to drive the technical development and architecture of our live-service mobile titles.
The Lead Engineer is both a hands-on developer and a technical leader, responsible for shaping architecture, guiding engineering execution, and ensuring the team can build scalable live-service games.
This role works closely with product and design leadership to translate ambitious product goals into practical technical solutions.
Engineers on our team operate as generalists, contributing across gameplay systems, UI, and live-service infrastructure.
Responsibilities
- Define and evolve the technical architecture for scalable mobile game development
- Design systems that support rapid iteration, live operations, and ongoing content updates
- Remain a hands-on contributor implementing complex gameplay systems in Unity and C#
- Break down product and design goals into practical technical solutions
- Mentor engineers and provide guidance through code reviews and technical discussions
- Establish engineering standards, workflows, and development best practices
- Collaborate closely with product, design, and art leadership
- Ensure strong performance, stability, and scalability across mobile devices
- Guide integration of backend services and third-party tools
Requirements
Required
- 7+ years professional game development or Unity engineering experience
- 5+ years developing games using Unity and C#
- Experience shipping mobile free-to-play games with live-service updates or events
- Strong experience designing game architecture and scalable systems
- Experience leading engineering initiatives or mentoring engineers
- 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 building live-service pipelines and content systems
- Experience integrating backend services and cloud infrastructure
- Familiarity with modern software architecture and design patterns
- Experience working with animation systems, physics systems, or particle effects
Bonus Skills
- Experience managing or mentoring engineering teams
- Experience supporting large-scale live operations
- Experience improving development pipelines and engineering workflows
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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