Senior Unity Engineer (Gamedev)

TL;DR

Senior Unity Engineer (Gamedev): Optimizing performance for a new mobile F2P title with an accent on build times, memory management, and runtime efficiency. Focus on building agentic engineering workflows and establishing performance gates to ensure a seamless experience for millions of players.

Location: Must be based in Germany (for permanent employment) or within ±3 hours of CET (for freelance)

Company

hirify.global is a leading developer of MMO strategy titles with over 200 million registered players and part of the Stillfront Group.

What you will do

• Own performance as a discipline, including build times, memory usage, and runtime optimization.
• Improve the day-to-day developer loop by optimizing asset imports, Addressables, and CI pipelines.
• Establish profiling practices, regression detection, and performance gates for live operations.
• Implement and build agentic engineering workflows using tools like Claude Code, Cursor, and Copilot.
• Collaborate with Tech Leads and Engineering Managers to maintain high performance standards.

Requirements

• Senior-level Unity experience with Unity 6 or recent versions.
• Must have shipped at least one live mobile game with a significant user base.
• Deep experience with Unity profiling tools and platform-native tools like Xcode Instruments or Android Studio.
• Highly proficient in English.
• Must be based in Germany for permanent roles or within ±3 hours of CET for freelance.
• Ability to demonstrate agentic workflows live during the interview process.

Nice to have

• Experience with agentic engineering workflows and building internal agentic tooling.
• Knowledge of Unity render pipelines (URP), Addressables at scale, and IL2CPP.
• Experience with live mobile F2P games, A/B infrastructure, and soft launches.
• Exposure to DOTS/ECS.

Culture & Benefits

• Flexible work arrangements including full-time remote options.
• Opportunity to work on high-revenue, globally recognized strategy titles.
• Collaborative environment with 30+ dedicated professionals.
• Part of the Stillfront Group, focusing on long-term IP growth and data-driven development.