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Freelance Game Simulation Programmer Jobs (NOW HIRING)

ManTech International

Simulation Developer

Quantico, VA · On-site

$141K - $236K/yr

Bachelor's degree in Computer Science, Software Engineering, Game Development, or a related technical field * Minimum of 7 years of software development experience focused on simulation or game-based ...

SIDE

This is an opportunity to contribute to a sophisticated simulation project that pushes the ... We're looking for a Senior Unreal Engine Engineer with deep expertise across gameplay systems ...

Cortina Solutions

NY · On-site

Support for simulation development using the Unity game engine is a key component of this position ... Bachelors degree in Engineering, Computer Science, Modeling and Simulation, or a related technical ...

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Freelance Game Simulation Programmer information

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$11K

$92.6K

$173.5K

How much do freelance game simulation programmer jobs pay per year?

As of Sep 12, 2026, the average yearly pay for freelance game simulation programmer in the United States is $92,636.00, according to ZipRecruiter salary data. Most workers in this role earn between $24,000.00 and $145,500.00 per year, depending on experience, location, and employer.

What is the difference between Freelance Game Simulation Programmer vs Freelance Game Developer?

AspectFreelance Game Simulation ProgrammerFreelance Game Developer
Primary FocusCreating realistic simulations and physics models for gamesDesigning, coding, and implementing overall game features and mechanics
Skills & CredentialsProgramming, physics, mathematics, simulation software knowledgeProgramming, game design, UI/UX, storytelling
Work EnvironmentProject-based, often collaborating with artists and designersEnd-to-end game development, often solo or small teams
Industry UsageUsed in simulation-heavy games, VR, AR, training appsUsed across all game genres and platforms

While both roles involve programming skills, a Freelance Game Simulation Programmer specializes in creating realistic physics and simulation models, whereas a Freelance Game Developer handles the overall game design and development process. The choice depends on whether your expertise is in simulation technology or broader game creation.

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Freelance Game Simulation Programmer jobs near you
Infographic showing various Freelance Game Simulation Programmer job openings in the United States as of September 2026, with employment types broken down into 4% Internship, 61% Full Time, 23% Part Time, 1% Temporary, and 11% Contract. Highlights an 88% Physical, 1% Hybrid, and 11% Remote job distribution, with an average salary of $92,636 per year, or $44.5 per hour.

Simulation Developer with Security Clearance

Quantico, VA • On-site

MANTECH
IT Services • 5 - 10K employees
Learn more about MANTECHexternal

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Re-posted 6 days ago

ManTech rating

8.8

Company rating: 8.8 out of 10

Based on 15 frontline employees who took The Breakroom Quiz

Job description

MANTECH seeks a motivated, career and customer-oriented SIMULATION DEVELOPER to join our team in QUANTICO, VA. Join a high-impact team supporting the Marine Corps Warfighting Lab's transition to digital wargaming. As a Simulation Developer, you will serve as a trusted advisor to our customers, ensuring the technical architecture of wargames is robust and reliable while directly shaping the tools used to prepare Marines for the future fight. Responsibilities include but are not limited to: * Designs, develops, and sustains simulation models and environments using a variety of programming languages, tools, and data sources
* Integrates models and simulations into larger system architectures and supports Marine Corps Warfighting Laboratory (MCWL) Wargaming Division efforts for interoperability testing and model orchestration
* Collaborates with engineers, analysts, and operational subject matter experts to enhance model fidelity and ensure simulation accuracy
* Implements new features, conducts model testing and validation, and troubleshoots issues across evolving simulation platforms
* Leads and supports planning, coordination, and documentation activities for simulation projects, including data collection, stakeholder alignment, and capability tracking Minimum Qualifications: * Bachelor's degree in Computer Science, Software Engineering, Game Development, or a related technical field
* Minimum of 2 years of software development experience focused on simulation or game-based environments. A total of 12 years' experience without a degree.
* Experience in programming languages such as C++, C#, Python, or Java
* Experience with simulation platforms or engines such as AFSIM, NGTS, OneSAF, Unity, Unreal Engine, Simio, or Arena
* Familiarity with version control systems and collaborative software development workflows Preferred Qualifications: * Understanding of modeling and simulation principles in military or operational contexts
* Familiarity with mission engineering, wargaming, campaign analysis, or Naval Capabilities Integration Process (NCIP), and associated military systems/processes
* Knowledge of 3D graphics, physics engines, and database management systems (e.g., SQL)
* Experience applying Agile or Scrum development methodologies in simulation projects
* Strong communication, analytical, and cross-functional collaboration skills Clearance Requirements: * Must possess a current/active TS/SCI security clearance. Physical Requirements: * Must be able and willing to perform occasional manual labor and warehouse duties, with the ability to lift up to 50 pounds. Must be able to remain in a stationary position 50% of the time.
* Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.
* Frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations

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