Unity Developer at Moon Active – Kyiv | Jobyssey

Moon Active is one of the world's top mobile game companies, our teams leverage cutting-edge technologies to craft fun and interactive games enjoyed by millions worldwide. We produce exciting and engaging entertainment for players across the globe and pride ourselves on developing top-quality casual games that invite and allow players to connect with one another.

We are looking for an experienced Unity Developer with an AI-first mindset to build next-gen gaming features. You will join a team of engineers building high-scale, real-time game systems, leveraging LLMs for complex logic, automating workflows, and using AI agents to continuously improve how we build.

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

Proficiency 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.

Nice to have:

AI engineering - experience in building agentic & autonomous frameworks.
Experience working in a high scale data driven environment - firebase, analytics, metrics etc.

Benefits

A global data-driven company, with a unique product and strong R&D center;
Exceptional innovative and dynamic work environment;
Promote transparency & open employee communication;
Tremendous growth & career advancement opportunities;
Encourage, support, and empower learning exploration and career development opportunities;
Directly impact and build personalized product experiences for our players.

We offer:

Generous compensation with regular performance reviews;
Paid vacation and sick leaves;
Comprehensive medical insurance for you and your family member free of charge;
Sports expenses reimbursement;
Comfortable office in BC Gulliver;
Daily lunches in the office and fully stocked kitchen with the greatest coffee;
Newest technical equipment (macOS);
Training & Development / Tuition reimbursement; online courses of your choice;
Parental leave;
Employee Referral Program with great bonuses;
Regular team buildings and Company Happy Hours;
Relocation bonus for nonlocal candidates;
Reimbursement of car parking.

We celebrate all kinds of entertaining events - brought to us by our amazing Employee Experience and never forget about gifts! Join us on the Moon!

#LI-Hybrid

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