Middle/Senior Unity Developer R&D

Accountabilities • Develop and maintain gameplay systems and features using Unity and C# within a released mobile game, while evolving architecture and reducing technical debt.

• Implement and maintain LiveOps functionality, including events, promotions, seasonal content, and A/B testing.

• Work with Addressables, Asset Bundles, CDN delivery, and Remote Configs to enable content and feature updates without requiring a full application release.

• Actively use AI agents such as Cursor, Claude Code, or equivalent tools in day-to-day development on a real production codebase.

• Create and maintain internal AI skills, rules, and agent instructions that automate recurring team workflows while taking responsibility for the quality of generated results.

• Investigate and resolve ANRs, crashes, freezes, OOM issues, and other production problems using real telemetry and diagnostic data.

• Optimize CPU usage, memory consumption, startup time, application size, and downloadable content for different classes of Android devices.

• Integrate and maintain advertising, analytics, monetization, and third-party SDKs while ensuring tracking and event implementation remain accurate.

• Conduct code reviews and contribute to important technical and architectural decisions.

• Share effective AI-assisted development practices and help improve the team's engineering workflows.

• Profile and optimize Android and iOS applications using tools such as Unity Profiler, Crashlytics, and Android Vitals.

• Investigate performance regressions and follow complex technical issues from symptoms through root-cause analysis, implementation, and validation of results.

• Consider product metrics such as retention, CPI, and LTV when evaluating technical and gameplay decisions.

Requirements

• 3+ years of commercial experience with Unity and C#, including experience working on released mobile games and supporting projects through LiveOps rather than only developing them prior to launch.

• Strong understanding of Unity project architecture, including design patterns, dependency injection with tools such as Zenject or VContainer, asynchronous programming with UniTask, Unity lifecycle, memory management, and garbage collection.

• Practical experience with AI development agents such as Cursor, Claude Code, or comparable tools, including the ability to decompose tasks, provide appropriate context from large codebases, and validate generated code.

• Experience with MCP, including Unity MCP or similar approaches, as well as skills, rules, and agent-instruction workflows.

• Ability to document team development practices in a way that allows AI agents to reproduce them consistently.

• Hands-on experience with Addressables, Asset Bundles, CDN delivery, Remote Configs, versioning, caching, and fallback scenarios.

• Strong profiling and optimization experience across Android and/or iOS, including investigation of ANRs, crashes, OOM issues, and production performance regressions.

• Understanding of low-end Android devices, device fragmentation, and mobile build-size optimization.

• Experience integrating third-party SDKs for advertising, analytics, and in-app purchases.

• Familiarity with Git workflows, code review practices, and CI/CD.

• Ability to take a complex technical problem from symptom identification through root-cause analysis, solution implementation, and verification of the outcome.

• Understanding of product metrics such as retention, CPI, and LTV.

• Strong analytical and problem-solving skills, with a proactive approach to technical challenges.

• Ability to work independently, take ownership of technical decisions, and communicate complex engineering topics clearly.

• Experience in an R&D-oriented environment is advantageous.

• Professional Ukrainian language proficiency is expected.

Benefits

• Fully remote work within Europe, with remote-first flexibility.

• Personal benefit budget that can be allocated toward insurance, education, fitness, or other areas supporting personal wellbeing.

• Performance-based bonuses recognizing meaningful results, initiative, and contribution to team success.

• High level of autonomy with minimal bureaucracy and the opportunity to influence technical and product decisions.

• Professional development through learning opportunities, internal training, and strategic sessions.

• Opportunity to work with modern AI-assisted development tools and contribute to innovative engineering practices.

• Collaborative team environment focused on shared ownership and collective results.

• Direct opportunity to contribute to the evolution of a live mobile game and its underlying technology.

• Full-time position within a Gameplay Development environment.

• Interview process consisting of a recruiter interview, test assignment, technical interview, reference collection, and offer stage.

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