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Freelance Unity Game Developer Jobs in Washington, DC

MANTECH

Simulation Developer

Quantico, VA · On-site

Bachelor's degree in Computer Science, Software Engineering, Game Development, or a related ... Experience with simulation platforms or engines such as AFSIM, NGTS, OneSAF, Unity, Unreal Engine ...

MANTECH

Simulation Developer

Quantico, VA · On-site

Bachelor's degree in Computer Science, Software Engineering, Game Development, or a related ... Experience with simulation platforms or engines such as AFSIM, NGTS, OneSAF, Unity, Unreal Engine ...

MANTECH

Simulation Developer

Quantico, VA · On-site

Bachelor's degree in Computer Science, Software Engineering, Game Development, or a related ... Experience with simulation platforms or engines such as AFSIM, NGTS, OneSAF, Unity, Unreal Engine ...

MANTECH

Simulation Developer

Quantico, VA

Bachelor's degree in Computer Science, Software Engineering, Game Development, or a related ... Experience with simulation platforms or engines such as AFSIM, NGTS, OneSAF, Unity, Unreal Engine ...

MANTECH

Simulation Developer

Quantico, VA

Bachelor's degree in Computer Science, Software Engineering, Game Development, or a related ... Experience with simulation platforms or engines such as AFSIM, NGTS, OneSAF, Unity, Unreal Engine ...

Booz Allen Hamilton, Inc.

XR Developer

Mclean, VA · On-site +1

$62K - $141K/yr

Share XR Developer The Opportunity: Are you looking for an opportunity to apply your passion and ... Experience with 3D game or simulation technologies, including Unity or Unreal Engine * Experience ...

Booz Allen Hamilton, Inc.

XR Developer

Mclean, VA · On-site

$62K - $141K/yr

XR Developer The Opportunity: Are you looking for an opportunity to apply your passion and ... Experience with 3D game or simulation technologies, including Unity or Unreal Engine * Experience ...

Booz Allen Hamilton

XR Developer

Mclean, VA · On-site

$62K - $141K/yr

XR Developer The Opportunity: Are you looking for an opportunity to apply your passion ... Experience with 3D game or simulation technologies, including Unity or Unreal Engine

ManTech

Simulation Developer

Quantico, VA

$91K - $153K/yr

Bachelor's degree in Computer Science, Software Engineering, Game Development, or a related ... Experience with simulation platforms or engines such as AFSIM, NGTS, OneSAF, Unity, Unreal Engine ...

ManTech International

Simulation Developer

Quantico, VA · On-site

$91K - $153K/yr

Bachelor's degree in Computer Science, Software Engineering, Game Development, or a related ... Experience with simulation platforms or engines such as AFSIM, NGTS, OneSAF, Unity, Unreal Engine ...

ManTech

Simulation Developer

Quantico, VA

$141K - $236K/yr

Bachelor's degree in Computer Science, Software Engineering, Game Development, or a related ... Experience with simulation platforms or engines such as AFSIM, NGTS, OneSAF, Unity, Unreal Engine ...

ManTech International

Simulation Developer

Quantico, VA · On-site

$141K - $236K/yr

Bachelor's degree in Computer Science, Software Engineering, Game Development, or a related ... Experience with simulation platforms or engines such as AFSIM, NGTS, OneSAF, Unity, Unreal Engine ...

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Freelance Unity Game Developer information

See Washington, DC salary details

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$122.9K

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How much do freelance unity game developer jobs pay per year?

As of Sep 14, 2026, the average yearly pay for freelance unity game developer in Washington, DC is $122,854.00, according to ZipRecruiter salary data. Most workers in this role earn between $92,300.00 and $140,400.00 per year, depending on experience, location, and employer.

What is a freelance Unity game developer?

A Freelance Unity Game Developer is a self-employed professional who creates, prototypes, and develops games or interactive experiences using the Unity game engine. They typically work on a project basis for clients, handling tasks such as coding, asset integration, debugging, and optimization. Freelancers may collaborate with designers, artists, and other developers to bring games to life. Their job requires proficiency in C#, knowledge of Unity's tools and systems, and problem-solving skills. They often manage their own schedules, client communication, and project scope.

What skills and qualifications are needed to be a freelance Unity game developer?

To thrive as a Freelance Unity Game Developer, you need strong proficiency in C# programming, Unity engine expertise, and experience in 2D/3D game development, supported by a solid portfolio. Familiarity with source control systems (like Git), project management tools (such as Trello or Jira), and sometimes Unity certifications is often expected. Excellent communication, self-motivation, time management, and problem-solving skills help you excel in remote or client-based projects. These competencies are crucial for delivering high-quality games, maintaining effective client relationships, and managing the varied demands of freelance work.

What are common challenges freelance Unity game developers face, and how can they be managed?

Freelance Unity game developers often encounter challenges such as juggling multiple projects, ensuring clear communication with remote clients, and managing fluctuating workloads or income streams. Staying organized with effective project management tools and setting clear timelines with clients can help manage these demands. It's also important to regularly update technical skills and maintain a strong professional network to secure consistent work. Overcoming these challenges can lead to a rewarding freelance career with increased flexibility and the ability to work on diverse, creative projects.

Are freelance Unity game developer jobs in demand?

Freelance Unity game developer jobs are in demand due to the growing popularity of mobile and indie games, as well as increased opportunities for remote work. Skills in Unity, C#, and 3D modeling are highly valued, and the industry continues to expand with new platforms and technologies. However, competition can be strong, and success often depends on a developer's portfolio and networking efforts.

What are the most commonly searched types of Unity Game Developer jobs in Washington, DC?

The most popular types of Unity Game Developer jobs in Washington, DC are:

What are popular job titles related to Freelance Unity Game Developer jobs in Washington, DC?

For Freelance Unity Game Developer jobs in Washington, DC, the most frequently searched job titles are:

What job categories do people searching Freelance Unity Game Developer jobs in Washington, DC look for?

The top searched job categories for Freelance Unity Game Developer jobs in Washington, DC are:

Freelance Unity Game Developer jobs near you
Infographic showing various Freelance Unity Game Developer job openings in Washington, DC as of August 2026, with employment types broken down into 67% Full Time, and 33% Contract. Highlights an 89% In-person, and 11% Remote job distribution, with an average salary of $122,854 per year, or $59.1 per hour.

Simulation Developer

Quantico, VA • On-site

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

Full-time

Re-posted 7 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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