Moon Active is looking for a Unity Developer to work on a large-scale, highly optimized Unity codebase, taking client-side features of a mobile game from design to production. The office is in Warsaw and the listing is marked hybrid.
Responsibilities
- ▹Manage features from system design and data handling to production deployment
- ▹Design architectures and implement end-to-end client-side features, leveraging LLMs from day-to-day development up to system architecture
- ▹Use data-driven methods to resolve production issues and optimize performance across all devices
- ▹Manage the integration of native plugins and third-party services
Requirements
- ▹4+ years of professional experience in software development
- ▹Experience with Unity on mobile platforms, including scripting APIs, profiling tools, UI and animations
- ▹Hands-on experience with Claude Code, Cursor or similar
- ▹Experience with object-oriented programming, including design patterns, algorithms and data structures
- ▹Strong knowledge of an OOP language (C# or equivalent) and memory management
Nice to have
- ▹AI engineering: experience building agentic and autonomous frameworks
- ▹Experience in a high-scale, data-driven environment (Firebase, analytics, metrics, etc.)
Soft skills
Proactive and self-drivenStrong communication skills
What we offer
- ▹Generous compensation, paid vacation and sick leave
- ▹Extensive medical and life insurance for you and your family
- ▹CrossFit and running classes at the office and a MultiSport card
- ▹Modern office on Królewska street in Warsaw
- ▹Free daily breakfasts and lunches and a fully stocked kitchen with snacks and fruit
- ▹Latest tech equipment, including macOS devices
- ▹Training and development, tuition reimbursement
- ▹Friend referral program with generous bonuses
- ▹Regular Friday happy hours and team gatherings
- ▹Relocation bonus for candidates moving to Warsaw
- ▹Bicycle and car parking
About the company
Moon Active is a global leader in mobile gaming, with games that operate at massive scale, processing billions of events daily and entertaining millions of players worldwide.
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