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 optimization 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.
Requirements:
4+ years of professional experience in software development.
Experience with Unity on mobile platforms, including its 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.
Proactive, self-driven, with strong communication skills.
Advantages:
AI engineering — Experience in building agentic & autonomous frameworks.
Experience working in a high scale data driven environment — firebase, analytics, metrics etc.
Benefits :
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!
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