Moon Active is a global leader in mobile gaming, creating entertainment experiences enjoyed by millions of players worldwide. Our games operate at massive scale, processing billions of events daily, and our engineering teams tackle complex technical challenges that push the boundaries of mobile game development.
As a Unity Developer you’ll be working on one of the mobile gaming industry’s most complex and successful products, a large-scale, highly-optimized Unity codebase that serves millions of concurrent users globally. This isn’t your typical mobile game project. It’s a sophisticated, ever-evolving system that demands exceptional architectural thinking, performance optimisation expertise, and the ability to maintain quality at scale.
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 processes 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
- 2+ years of professional experience in software development
- 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
- Proactive, self-driven, with strong communication skills
- Experience with Unity on mobile platforms, including its scripting APIs, profiling tools, UI, and animations
- Native Ukrainian speaker
- AI engineering - Experience in building agentic & autonomous frameworks
- Experience working in a high scale data driven environment - firebase, analytics, metrics etc
Why join Moon Active?
- Be part of a leading global mobile gaming company with a unique product enjoyed by millions;
- Thrive in an exceptional, innovative, and dynamic environment;
- Enjoy full transparency and open communication with talented colleagues across teams;
- Take advantage of tremendous opportunities for professional growth and career advancement within a rapidly expanding company;
- Influence and help build personalized product experiences that impact millions of users worldwide.
We offer
- Generous compensation; paid vacation and sick leave;
- Extensive medical and life insurance coverage for you and your family;
- CrossFit & running classes at the office and MultiSport card;
- Comfortable and modern office located on Królewska 16 street in Warsaw;
- Free daily breakfasts and lunches, and a fully stocked kitchen with snacks and fruits;
- Latest tech equipment, including macOS devices;
- Training & Development/Tuition reimbursement;
- Friend Referral Program with generous bonuses;
- Fun and collaborative workplace culture with regular Friday Happy Hours and team gatherings;
- Relocation bonus for candidates moving to Warsaw;
- Bicycle and Car parking.
We Play to Win! We Play it Smart! We Play as a Team!
We are committed to investing in our employees and fostering a workplace that champions innovation, creativity, and collaboration. At Moon Active, we empower our team members to unleash their potential and achieve remarkable results every day. We encourage bold decision-making and believe that every individual has a significant impact on our success. Join us and level up your career in a supportive and high-achieving environment!
#LI-Hybrid
Skills Required
- 2+ years of professional experience in software development
- 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
- Proactive, self-driven, with strong communication skills
- Experience with Unity on mobile platforms, including scripting APIs, profiling tools, UI, and animations
Moon Active Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Moon Active and has not been reviewed or approved by Moon Active.
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Healthcare Strength — Health coverage includes comprehensive medical and life insurance for employees and, in many locations, their families as outlined in role postings. This breadth of protection is positioned as a core part of the package.
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Wellbeing & Lifestyle Benefits — On-site daily meals, stocked kitchens, fitness options (e.g., MultiSport cards, classes), and office events are highlighted across major offices, enhancing everyday value. Gifts and quality facilities further support a lifestyle-oriented experience.
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Leave & Time Off Breadth — Paid vacation and sick leave are explicitly included, with some locations describing generous allowances. Parental leave is also referenced in certain postings, extending time-away support.
Moon Active Insights
What We Do
As one of the world’s fastest-growing mobile game companies, we produce engaging entertainment that is enjoyed by players across the universe!
