Freelance Game Simulation Programmer Jobs in Minnesota

# AFSIM C++ EngineerApply**Job#: 3044163****Job Description:**AFSIM C++ Engineer**Location:** Rosslyn, Virginia (Onsite)Role OverviewThis role focuses on developing C++ based extensions, plugins, and custom capabilities for AFSIM. The engineer will implement new simulation behaviors, integrate external models, and enhance analytical toolchains that support mission level analysis and system of systems assessments. This position partners closely with analysts to convert modeling requirements into robust, maintainable software features.Key Responsibilities* Design, develop, and maintain C++ extensions, plugins, and modules for AFSIM.* Implement new simulation capabilities, physics-based modeling, sensor/weapon logic, and custom interfaces.* Integrate external libraries, data sources, or physics-based models into the AFSIM runtime environment.* Translate analyst requirements into software features, ensuring correctness, performance, and maintainability.* Debug, optimize, and validate plugin behavior within complex simulation environments.* Maintain software documentation, API references, and integration guides.* Support build system configuration, version control workflows, and continuous integration pipelines.* Ensure code quality through unit testing, peer reviews, and adherence to coding standards.Required Qualifications**Education:** Bachelor’s degree in computer science, software engineering, or a related field.**Technical Skills:** Proficiency in modern C++ (C++17 or later), experience with object-oriented design, data structures, and software architecture fundamentals. Familiarity with AFSIM, simulation frameworks, or plugin-based architectures is also required, along with the ability to work with Git and collaborative development workflows.Preferred Qualifications* Experience developing simulation models, real-time or constructive simulation software, or game engine style behavior systems.* Familiarity with Boost, CMake, or cross-platform build systems.* Exposure to Lua/Python for integration or scripting.* Understanding of sensor physics, kinematics, or engagement modeling. *Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRateds Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico.**Everforth Apex uses a virtual recruiter as part of the application process. Click here for more details. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Everforth Apex and its affiliates, and contracted partners. Frequency varies for text messages. Message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You can reply STOP to cancel and HELP for help. You can access our privacy policy at https://www.apexsystems.com/privacy-policy**Everforth Apex Benefits Overview: Everforth Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Everforth Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Everforth Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our ‘Welcome Packet’ as well, which an Everforth Apex team member can provide.**Everforth Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Everforth Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law.**If you require an accommodation under the Americans with Disabilities Act to participate in an interview with a virtual recruiter or to use our website for a search or application, please contact our Benefits Department at accommodations@apexsystems.com or 804-523-8228. Please note that this contact information is strictly to be used for medical ADA accommodations and that no other inquiries will be answered.**UnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Everforth Apex Systems.***Employee Type:** Contract**Location:** Rosslyn, VA, US**Job Type:****Date Posted:** July 28, 2026**Pay Range:** $75 - $100 per hour #J-18808-Ljbffr