> Markdown version of [/jobs/ext/4501786-software-engineer-game-development](https://www.wearedevelopers.com/jobs/ext/4501786-software-engineer-game-development). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineer, Game Development - **Company:** Iteration One - **Location:** Karlsruhe, Germany - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, C Sharp (Programming Language), Mobile Application Development, Software Design Documents, Video Game Development, Software Engineering, Claude Code, Reactive Programming - **Published:** October 31, 2026 - **Apply:** https://www.careerjet.de/jobad/de885478eb55fd561d633682de1839210a ## About the Role * Depending on the level, strong professional background in C# and Unity, ideally with live game experience * Ability to write clean, understandable code and document it properly * Collaborative - comfortable working across design, production, and art * Able to estimate timelines and deliver on them * Understanding of mobile development for Android and iOS * Passion for technology and AI Nice to have: deep knowledge of Unity pipelines (asset management, UI, networking), experience with reactive programming (UniRx), and a track record of resolving memory and performance issues. ## Description You'll work across the full development cycle - from pre-production through live operations - as part of a small, cross-functional team. That means writing and optimizing C# in Unity, building efficient and reusable systems, and making sure your code is something your teammates can actually work with. You'll use tools like Codex or Claude Code daily as a core part of how you work. You'll contribute to coding standards, design documents, and help the team move faster and smarter. No ticket queues. No waiting for permission. You'll have real influence over what we build and how we build it.