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Freelance Simulation Software Engineer Jobs in Chicago, IL

Campus Software Engineer (Full-Time)

Chicago, IL · On-site

$250K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... simulation and/or UI development. Other duties as assigned or needed. Skills You'll Need: * Hands ... software development role is a plus * Advanced coursework in algorithms, network programming ...

Campus Software Engineer (Full-Time)

Chicago, IL

$250K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... simulation and/or UI development. Other duties as assigned or needed. Skills You'll Need: * Hands ... software development role is a plus * Advanced coursework in algorithms, network programming ...

Software Sales Engineer

Chicago, IL · On-site

$68K - $105K/yr

The Software Sales Engineer would be responsible to present and sell software solutions to TRUMPF ... Use customer parts to simulate the benefits and features of software products. * Work with TRUMPF ...

Software Engineer in Test (SET)

Lake Forest, IL · On-site

  • Medical

  • Life

  • Retirement

The Software Engineer in Test (SET) is responsible for leading testing efforts in automation ... Experience with automated testing and simulator tools Preferred Qualifications * Understand how to ...

Software Sales Engineer

Chicago, IL · On-site

$68K - $105K/yr

The Software Sales Engineer would be responsible to present and sell software solutions to TRUMPF ... Use customer parts to simulate the benefits and features of software products. * Work with TRUMPF ...

Software Engineer in Test (SET)

Lake Forest, IL · On-site

  • Medical

  • Life

  • Retirement

The Software Engineer in Test (SET) is responsible for leading testing efforts in automation ... Experience with automated testing and simulator tools Preferred Qualifications * Understand how to ...

Software Engineer

Chicago, IL · Hybrid

$70K - $85K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

We may ask you to complete an attribute-based assessment and other skills tests (such as simulation ... NET Programming, C Sharp (Programming Language), Debugging, Microsoft Azure, NET Framework, React ...

New

Software Engineer

Chicago, IL · Hybrid

$70K - $85K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

We may ask you to complete an attribute-based assessment and other skills tests (such as simulation ... NET Programming, C Sharp (Programming Language), Debugging, Microsoft Azure, NET Framework, React ...

New

Showing results 41-60

Freelance Simulation Software Engineer information

See Chicago, IL salary details

$76.2K

$142K

$202.9K

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

As of Aug 13, 2026, the average yearly pay for freelance simulation software engineer in Chicago, IL is $142,001.00, according to ZipRecruiter salary data. Most workers in this role earn between $107,100.00 and $166,900.00 per year, depending on experience, location, and employer.

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 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 most commonly searched types of Simulation Software Engineer jobs in Chicago, IL?

The most popular types of Simulation Software Engineer jobs in Chicago, IL are:

What are popular job titles related to Freelance Simulation Software Engineer jobs in Chicago, IL?

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

AI / Simulation Staff Engineer Fire and Explosion

UL Solutions

Northbrook, IL • On-site

$115K - $155K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 5 days ago


UL Solutions rating

8.3

Company rating: 8.3 out of 10

Based on 27 frontline employees who took The Breakroom Quiz

28th of 120 rated laboratories


Job description

The UL Solutions Modeling and Simulation team and Research and Development team are seeking a driven and team-oriented individual to work with us on modeling and simulation of emerging fire and explosion safety problems. Many of these problems will focus on the energy and fire protection industries, including lithium-ion battery thermal runaway, battery energy storage system gas explosions and fires in the built environment. Robust knowledge of heat transfer, combustion, material decomposition, fire dynamics and computational fluid dynamics is required. Robust knowledge of state-of-the-art computational fluid dynamics software and finite element analysis software is also required. A successful candidate will be creative, curious, adaptable to a fast-paced and multi-disciplined environment and willing to work collaboratively with a team of other engineers and scientists to problem solve.

A global leader in applied safety science, UL Solutions (NYSE: ULS) transforms safety, security and sustainability challenges into opportunities for customers in more than 110 countries. UL Solutions delivers testing, inspection and certification services, together with software products and advisory offerings, that support our customers' product innovation and business growth. The UL Mark serves as a recognized symbol of trust in our customers' products and reflects an unwavering commitment to advancing our safety mission. We help our customers innovate, launch new products and services, navigate global markets and complex supply chains, and grow sustainably and responsibly into the future. Our science is your advantage.

  • BS in mechanical engineering, chemical engineering, combustion science, computational fluid dynamics or other relevant disciplines is required. MS or PhD preferred.  
  • MS or PhD requires 8-12 years of relevant work experience. BS requires 10-14 years of relevant work experience.  
  • Experience in advanced modeling and simulation of fluid flows, combustion and heat transfer is required. Experience in modeling deflagrations and fire dynamics is preferred.
  • Experience in commercial CFD software and codes is required. Experience in Ansys, OpenFoam, ConvergeCFD, Fire Dynamics Simulator (FDS) and Flame Acceleration Simulator (FLACS) is preferred.
  • Demonstrates knowledge of engineering disciplines and other sciences.  
  • Demonstrates the ability to maintain academic and applied knowledge through reading academic articles and journals and participating in continuing education activities.
  • Demonstrates the ability to collaborate with peers directly and maintain personal networks.
  • Excellent communication and technical writing skills are required.
  • Can work independently. Interprets internal/external business challenges and recommends best practices to improve products, processes or services. 

What you'll experience working for ULS 

UL Solutions has been pioneering change since 1894 and we're still leading the way. From day one, we've blazed a trail protecting the planet and everyone on it. Our teams have influenced billions of products, plus services, software offerings and more. We break things, burn things and blow things up. All in the name of safety science. 

That's where you come in - because none of it could happen without you. It takes passion to protect people, problem-solving to safeguard personal data and conviction to make the world a more sustainable place. It takes bold ideas and brilliant minds to build a better world for future generations across the globe.  

This is more than a job. It's a calling. A passion to use our expertise and play our part in creating a more secure, sustainable world today - and tomorrow. As a member of our safety science community, you'll use your ideas, your energy and your ambition to innovate, challenge and ultimately, help create a safer world. 

Everyone here is unique. But we're also a global community, working together to help create a safer world. Join UL Solutions and you can connect with the brightest minds in the business, all bringing their distinct perspectives and diverse backgrounds together to deliver real change. 

Empowering our customers to keep the world safe means thinking ahead. It means investing in training and empowering our people to learn and innovate. At UL Solutions, we help build a better future - one where everyone benefits. 

Join UL Solutions to be at the center of safety. To learn more about us and the work we do, visitUL.com

Total Rewards: We understand compensation is an important factor as you consider the next step in your career. The estimated salary range for this position is $115,000 to $155,000 USD and is based on multiple factors, including job-related knowledge/skills, experience, geographical location, as well as other factors. This position is eligible for annual bonus compensation with a target payout of 20% of the base salary. This position also provides health benefits such as medical, dental and vision; wellness benefits such as mental and financial health; and retirement savings (401K) commensurate with the standard rewards offered in each individual location or country. We also provide full-time employees with paid time off including vacation (15 days), holiday and personal days (totaling 12 days) and sick time off (72 hours).

#LI-SG2

#LI-Hybrid 

  • Under general direction, build computational models of physical phenomena such as vented deflagrations, fire suppression, fire spread, material thermal decomposition and fluid flows for internal and external client projects using commercially available software packages.  
  • Apply fundamental understanding of the relevant physics and chemistry to create computational models of scenarios with sound assumptions and reasoning. 
  • Carry out engineering analyses and simulation engineering work, including pre-processing and post processing of simulation projects, documentation of the simulation inputs and key output parameters, and timely completion.  
  • Assess project specifications, determine simulation tools, and analyze results for adequacy and accuracy.  
  • Under general direction, devise and participate in hands-on laboratory work for model validation efforts
  • Complete technical reports of work completed, including all information and details about modeling strategy, approach and outcome.   
  • Communicate with internal and external clients to develop and manage projects from start to finish. 
  • Work across industries / segments, collaborate with key stakeholders, and provide timeline communications to both internal and external stakeholders.  
  • Have a team player mindset, giving priority to team goals and maintaining good team relationships. 
  • Stay ahead of changing technologies in the field by reading journals and scientific publications, attending academic conferences, writing, and collaborating on original publications, and delivering presentations on research engineering topics. 
  • Collaborate with industry, academics and other research and development staff to apply the results of modeling and simulation efforts used to develop new techniques, products, practices, and UL Standards. 
  • Where appropriate, present projects and findings at academic and industry conferences.

What UL Solutions employees say

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