> Markdown version of [/jobs/ext/4390809-senior-software-engineer-cross-platform](https://www.wearedevelopers.com/jobs/ext/4390809-senior-software-engineer-cross-platform). 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). --- # Senior Software Engineer, Cross Platform - **Company:** DFW TEXAS - **Location:** Seattle, WA, United States (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** 3D Computer Graphics Software, Algorithm Design, C Sharp (Programming Language), Computer Programming, Software Debugging, Game Engine, Live Connect (Windows), Performance Tuning, Software Engineering, Multithreading, Multiplatform - **Published:** October 31, 2026 - **Apply:** https://www.careerbuilder.com/job-details/senior-software-engineer-cross-platform-seattle-wa--84003302-4f45-457a-9670-48d8a89f2a9e ## About the Role Software Engineering, Multiplatform/Cross-Platform, Multiplatform/Cross-Platform, Technical/Engineering Design, Prototyping, Cross-Functional, 3D Graphics Software, 3D Games Programming, Problem Solving Skills, Algorithms, * 5+ years of professional interactive 3D software or games development experience * Strong problem solving and algorithm development skills * Experience with rendering, memory, or performance optimization * Experience debugging complex, multi-threaded systems * Excellent written and verbal communication skills * Fluency in networking and multiplayer concepts * Fluency in C# * Experience with Unity, Unreal, or a similar game engine * Comfortable working in fast-moving, ambiguous development environments * A constant desire to learn, improve, and help others improve * Ability to onboard and work remotely, until we return to the office, located in Seattle, WA BONUS POINTS IF YOU ALSO HAVE: * Experience with live services and rapid-deployment * Experience with modern gaming consoles and/or mobile game development * Experience developing for multiple hardware platforms * Experience with and passion for design ## Description * Design, build, implement, and maintain significant portions of our core game systems across multiple platforms. * Work autonomously to solve technical design and development problems across the team. * Contribute creatively by being involved in the design process and proactively prototyping new ideas and solutions. * Work on a wide variety of features and systems. * Collaborate with multidisciplinary teams across Rec Room to build great new technology for our players.