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Freelance Simulation Software Engineer Jobs in Washington, DC

Sedaro

Senior Software Engineer, Systems Programming

Arlington, VA · On-site

$141K - $185K/yr

  • Medical

  • Retirement

  • PTO

Overview Sedaro is hiring a Senior Software Engineer to strengthen the performance and reliability ... Simulator, reporting to the Team Lead * Location: In person in Arlington, VA or Boston, MA * U.S.

Technology Service Corporation

Software Engineer II

Washington, DC · On-site

$102 - $145/hr

  • Medical

  • Dental

  • Vision

  • Retirement

Job Overview Technology Service Corporation (TSC) is seeking a Software Engineer III to develop ... Experience developing simulation software and software to compare simulations with experimental ...

New

ManTech

C++ Software Developer

Arlington, VA

$104K - $172K/yr

  • Medical

  • Life

  • Retirement

  • PTO

As a member of our Modeling & Simulation software development team, the C++ software developer assists with future development and enhancements to existing USAF Modeling & Simulation software. You ...

ManTech International

C++ Software Developer

Arlington, VA · On-site

$104K - $172K/yr

  • Medical

  • Life

  • Retirement

  • PTO

As a member of our Modeling & Simulation software development team, the C++ software developer assists with future development and enhancements to existing USAF Modeling & Simulation software. You ...

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All JobsSimulation Software Engineer JobsFreelance Simulation Software Engineer JobsFreelance Simulation Software Engineer Jobs in Washington, DC

Freelance Simulation Software Engineer information

See Washington, DC salary details

$83.8K

$156.1K

$223.1K

How much do freelance simulation software engineer jobs pay per year?

As of Aug 19, 2026, the average yearly pay for freelance simulation software engineer in Washington, DC is $156,124.00, according to ZipRecruiter salary data. Most workers in this role earn between $117,800.00 and $183,500.00 per year, depending on experience, location, and employer.

What does a freelance simulation software engineer do?

A Freelance Simulation Software Engineer designs, develops, and tests simulation software for various industries, such as aerospace, automotive, healthcare, or manufacturing. They work independently or on contract to model real-world systems, create virtual environments, and run simulations to analyze system behaviors. Responsibilities often include coding, debugging, optimizing algorithms, and collaborating with clients to meet project requirements. Freelancers typically manage their own schedules and work with multiple clients, offering flexibility and a diverse range of project experiences.

What are the key skills and qualifications needed to thrive as a freelance simulation software engineer?

To excel as a Freelance Simulation Software Engineer, you need strong programming skills (such as C++, Python, or MATLAB), a solid understanding of simulation methodologies, and a relevant degree in engineering, computer science, or a related field. Familiarity with industry-standard simulation tools like Simulink, ANSYS, or Arena, and experience with version control systems are often required. Outstanding problem-solving abilities, self-motivation, and effective client communication distinguish top performers in this freelance role. These competencies enable the engineer to deliver accurate, efficient simulations and manage projects independently, ensuring client satisfaction and professional growth.

What are some common challenges faced by freelance simulation software engineers when managing multiple client projects?

Freelance Simulation Software Engineers often juggle several projects at once, each with unique technical requirements and deadlines. Balancing these projects can be challenging, especially when clients have shifting priorities or last-minute requests. Effective communication, clear project scoping, and robust time management are crucial to ensure client expectations are met while maintaining high-quality work. Additionally, freelancers must stay updated with the latest simulation tools and standards, which can require continuous self-directed learning.

What is the difference between Freelance Simulation Software Engineer vs Simulation Software Developer?

AspectFreelance Simulation Software EngineerSimulation Software Developer
CredentialsTypically requires a degree in computer science, engineering, or related fields; certifications are a plusSimilar educational background; certifications may enhance prospects
Work EnvironmentIndependent, project-based work often remotely or freelance platformsEmployed by companies or organizations, working in office or remote teams
Employer & Industry UsageClients across various industries like aerospace, automotive, defense; freelance platformsCompanies developing simulation software or using simulation tools internally
Search & Comparison IntentLooking for freelance opportunities or project-based work in simulation softwareSeeking full-time or contract roles within organizations

The main difference is that a Freelance Simulation Software Engineer works independently on diverse projects, often remotely, while a Simulation Software Developer is typically employed by a company to develop and maintain simulation software as part of a team.

What are the most commonly searched types of Simulation Software Engineer jobs in Washington, DC?

The most popular types of Simulation Software Engineer jobs in Washington, DC are:

What are popular job titles related to Freelance Simulation Software Engineer jobs in Washington, DC?

For Freelance Simulation Software Engineer jobs in Washington, DC, the most frequently searched job titles are:

What job categories do people searching Freelance Simulation Software Engineer jobs in Washington, DC look for?

The top searched job categories for Freelance Simulation Software Engineer jobs in Washington, DC are:

Freelance Simulation Software Engineer jobs near you

Senior Software Engineer, Systems Programming

Sedaro

Arlington, VA • On-site

$141K - $185K/yr

Full-time

Medical, Retirement, PTO

Re-posted 13 days ago

Job description

Overview 

Sedaro is hiring a Senior Software Engineer to strengthen the performance and reliability of our distributed
multi-physics simulation platform. In this role, you will contribute to the development of our simulation runtimes and leverage the cloud for cutting-edge performance and scale. 

  • Team: Simulator, reporting to the Team Lead 
  • Location: In person in Arlington, VA or Boston, MA 
  • U.S. Citizen or permanent resident status required 


Who We Are 

Our simulation platform enables digital mission engineering through distributed, scalable, faster than real-time analyses across hundreds of interacting systems. We achieve this by ingesting simulation functions, models, and data, and generating high-performance code and architectures specialized for the given scenario. We maintain runtimes for both massively parallel execution in the cloud as well as execution in resource-constrained environments such as autonomous edge devices. Our technology is built with Rust, Kubernetes, gRPC, and Python. Join us as an early employee and transform how teams collaboratively engineer the next generation of Aerospace & Defense systems. 


Who You Are 

  • You are energized by novel challenges and unsolved problems 
  • You are meticulous in your designs to ensure reliability and extensibility 
  • You are motivated to deliver optimized, high-performance systems 
  • You explore existing solutions to problems to choose the right tool for the job 
  • You enjoy a fast-moving work environment and drive progress on decisions and projects 


What You’ll Do 

  • Enable increasingly massive distributed simulations
  • Lead development of features for both our cloud and edge simulation runtimes 
  • Optimize and track performance metrics of our simulations 
  • Maximize parallelism and caching in our build systems and services 
  • Develop QA frameworks and maintain high reliability standards 
  • Provide feedback and guidance on code reviews and design reviews 
  • Sustain our internal and external documentation 
  • Lead team-wide discussions and research as we continue to innovate on the semantics and implementation of our simulation technology 


Benefits 

  • Equity 
  • Unlimited PTO 
  • 401(k) with 4% match 
  • 100% premium payment for medical insurance 
  • Parental Leave 
  • Flexible work schedule with core hours 
  • Company provided lunches 3 days a week 
  • Industry-leading career development opportunities 


Requirements 

  • Bachelor’s degree in computer science or equivalent experience 
  • 6+ years of professional experience in software engineering 
  • Experience with Rust or comparable compiled languages 
  • Experience profiling and optimizing application performance 
  • Comfort with containerization and cloud technologies 
  • Excellent technical writing skills 


Additional desirable experience: 

  • Simulation software, scientific computing 
  • HPC, embedded software, game engines, compilers 
  • Distributed systems, backend development 
  • Unique non-software technology perspectives are welcome