> Markdown version of [/jobs/ext/3545206-software-design-engineer-game-developer-4](https://www.wearedevelopers.com/jobs/ext/3545206-software-design-engineer-game-developer-4). 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 Design Engineer/Game Developer 4 - **Company:** BY LIGHT INC - **Location:** Orlando, FL, United States - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Microsoft Windows, C++ (Programming Language), Software Code Optimization, Profiling, Software Debugging, Memory Management, Video Game Development, Linux System Administration, Object-Oriented Software Development, Real Time Simulation, Software Engineering, Subsystems, Systems Integration, Multithreading, Scripting, Git, HLSL, Kubernetes, Information Technology, Unreal Engine, Software Version Control, Docker - **Published:** September 30, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9202218/software-design-engineergame-developer-4 ## About the Role * Bachelor's degree in a technical discipline such as electrical engineering, computer science, information technology, systems or software engineering from an accredited college or university. Experience may be considered in lieu of degree * 8+ years of professional software engineering experience in real-time 3D, simulation, or games * 3+ years of hands-on development with Unreal Engine 4/5 in a professional or DoD program context * Object Oriented design background * Advanced Knowledge of C++ * Extensive Unreal Engine development experience * Experience with performance profiling, memory optimization, and multi-threaded game/sim engine code * Proficient in writing and extending custom UE5 Plugins and subsystems * Ability to test, diagnose problems, and implement fixes * Experience with GIT source control tools Preferred Experience/Qualifications * First or third person game development * Networking, VMs, Kubernetes, Docker, Python scripting * Experience with Image Generators or Terrain Generation tools * DoD simulation-based application development * Experience integrating with CIGI-compliant host applications * Familiarity with GIS concepts, including WGS84, coordinate systems, and industry-standard formats * Experience with Cesium for Unreal * Familiarity with HLSL for custom rendering pipeline work Special Requirements/Security Clearance Please note that pursuant to a government contract, this specific position requires U. S. Citizenship status and a secret security clearance with the ability to pass a CI polygraph if requested by the customer. Security Clearance requirements will be specified in the Government's Task Order. This job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee. The above is intended to describe the general contents of and requirements for the performance of this job. ## Description Develop new functionality, diagnose and fix software defects for distributed simulations, game-based training systems and applications. Applications are implemented in C++ with Unreal Engine 5 and are deployed to Windows and Linux environments., * Architect and develop UE5-based real-time simulation environments for DoD training and analysis programs. * Design and implement custom UE5 engine plugins, modules, and rendering extensions using C++ and OOD principles. * Profile, debug, and optimize render performance including GPU/CPU bottleneck resolution and memory management. * Support customer-directed research and development activities. * Support for integration and test activities. * Investigate and fix defects in a UE5 project. * On-site development.