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Freelance Embedded System Software Engineer Jobs

React Health

Senior Embedded Software Engineer

Dublin, OH · On-site

$155K - $170K/yr

Senior Embedded Software Engineer FULL-TIME/PART-TIME : Full Time LOCATION: Dublin, OH (Hybrid ... Designing, developing, coding, testing and debugging system software. Analyzing and enhancing ...

ORAU

Embedded Systems Software Engineer

Oak Ridge, TN · On-site

As an Embedded Systems Software Engineer at Centrus Energy, you'll help power the next generation ... You'll evaluate performance, implement electrical system modifications, support instrumentation and ...

Apple

Embedded Software Engineer

Austin, TX · On-site

$130K - $171K/yr

The Product Integrity group is looking for a Systems Software Engineer to develop future products ... Preferred Qualifications Experience with building embedded system architectures and using ...

Silvus Technologies

Embedded Software Engineer

Irvine, CA

$141K - $185K/yr

THE OPPORTUNITY Silvus is seeking an Embedded Software Engineer to join our Engineering Group ... This is an opportunity to work on all aspects of the system including device drivers, networking ...

Motorola

Principal Embedded Software Engineer

Irvine, CA · On-site

$180K - $250K/yr

This is an opportunity to work on all aspects of the system including device drivers, networking ... engineering fields. * 8+ years of relevant embedded system software development experience.

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How much do freelance embedded system software engineer jobs pay per year?

As of Jun 7, 2026, the average yearly pay for freelance embedded system software engineer in the United States is $153,383.00, according to ZipRecruiter salary data. Most workers in this role earn between $131,500.00 and $173,000.00 per year, depending on experience, location, and employer.

What does a Freelance Embedded System Software Engineer do?

A Freelance Embedded System Software Engineer designs, develops, and tests software that runs on embedded systems, which are specialized computing systems within larger devices like cars, appliances, or industrial machines. They typically work independently or on a contract basis, collaborating with clients to understand requirements and deliver customized software solutions. Their responsibilities often include writing low-level code, optimizing for performance and memory usage, and troubleshooting hardware-software integration issues.

What is the difference between Freelance Embedded System Software Engineer vs Embedded Firmware Developer?

AspectFreelance Embedded System Software EngineerEmbedded Firmware Developer
CredentialsTypically requires a degree in electrical engineering, computer science, or related fields; certifications are optionalSimilar educational background; certifications like Certified Embedded Systems Engineer can be advantageous
Work EnvironmentIndependent, project-based work often remote; collaborates with multiple clientsUsually employed by a company or works on in-house projects; may work on-site or remotely
Industry UsageUsed across various industries including IoT, automotive, consumer electronicsPrimarily in product development, consumer electronics, automotive, and industrial systems

Both roles require embedded programming skills and knowledge of hardware. The main difference lies in the work setting: Freelance Embedded System Software Engineers work independently on diverse projects, while Embedded Firmware Developers are often employed by companies focusing on firmware development for specific products.

How do freelance embedded system software engineers typically manage project scope and communication with clients?

Freelance embedded system software engineers often work independently or as part of small remote teams, making clear communication and project scope management essential. They regularly use project management tools and set milestones to clarify deliverables and timelines with clients. Addressing technical constraints and hardware integration challenges early in the process helps avoid misunderstandings. Frequent status updates and transparent discussions about changes or obstacles ensure projects stay on track and meet client expectations.

What are the key skills and qualifications needed to thrive as a Freelance Embedded System Software Engineer, and why are they important?

To thrive as a Freelance Embedded System Software Engineer, you need a solid background in embedded C/C++ programming, microcontroller architecture, and real-time operating systems, often supported by a degree in electrical engineering or computer science. Familiarity with hardware debugging tools, version control systems (like Git), and development platforms such as ARM, AVR, or PIC is typically required. Strong problem-solving skills, self-motivation, and clear client communication help freelancers stand out in this role. These competencies ensure reliable, efficient solutions and successful project delivery in dynamic and client-driven environments.
More about Freelance Embedded System Software Engineer jobs
What cities are hiring for Freelance Embedded System Software Engineer jobs? Cities with the most Freelance Embedded System Software Engineer job openings:
What are the most commonly searched types of Embedded System Software Engineer jobs? The most popular types of Embedded System Software Engineer jobs are:
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Freelance Embedded System Software Engineer jobs near you
Infographic showing various Freelance Embedded System Software Engineer job openings in the United States as of May 2026, with employment types broken down into 1% Locum Tenens, 84% Full Time, 14% Part Time, and 1% Nights. Highlights an 84% Physical, 5% Hybrid, and 11% Remote job distribution, with an average salary of $153,383 per year, or $73.7 per hour.
Senior Embedded Software Engineer

Senior Embedded Software Engineer

Silvus Technologies

Irvine, CA • On-site

$140K - $200K/yr

Full-time

Posted 9 days ago

Job description

THE COMPANY
Silvus Technologies, a leading provider of advanced MANET and MIMO communications systems, is reshaping mesh network technology for mission-critical applications - on the ground, in the air and at sea. Its battle-proven StreamCaster family of MANET radios and proprietary MN-MIMO waveform provides the vital communications link for defense, law enforcement and public safety agencies around the world, and in the toughest operational environments.
With deep roots in DARPA research, Silvus Technologies develops world-class advanced communications technologies that are reshaping the tactical communications landscape. From pure line-of-sight to extreme non-line-of-sight, Silvus radios form a self-healing, self-forming mesh network, enabling secure and reliable connectivity, including video and high-bandwidth data.
Silvus Technologies is a wholly owned subsidiary of Motorola Solutions, Inc.
Would you like to join an incredibly talented group of people, doing very challenging work, with the prime directive of "Keeping Our Heroes Connected"?
THE OPPORTUNITY
Silvus is seeking a Senior Embedded Software Engineer to join our Engineering Group, reporting to the Senior Engineering Director for Irvine with dotted-line reporting to the Director of Software Engineering. The successful individual in this role will participate in the development of Silvus' MANET radios and advanced research projects. This is an opportunity to work on all aspects of the system including device drivers, networking functions and services, encryption, and security features.
This positionis 100% onsite, Monday through Friday, at Silvus Technologies' Engineering and R&D Office in Irvine, CA, near the vibrant Irvine Spectrum.
The following is a list of at least some of the current essential job functions of the position. Management may assign or reassign duties and responsibilities at any time at its discretion.
ROLE AND RESPONSIBILITIES
  • Implementation of software portion of MAC (Medium Access Control) and mobile ad-hoc networking routing protocols.
  • Network management software and web interface implementation.
  • Implementation of different security protocols and encryption algorithms.
  • Audio streaming and push to talk voice application implementation.
  • Analyze and improve product security and robustness to meet certain regulatory requirements such as NIST FIPS 140-3 and NIAP Common Criteria.
  • Implementation of testing software for product performance and reliability testing.
  • Device drivers and board support package development and maintenance for both ARM and RISC-V based systems.
  • Linux system customization and scripting.
  • Perform other related duties of which the above are representative.

REQUIRED QUALIFICATIONS
  • Bachelor of Science degree in Electrical Engineering, Computer or Communications Engineering, Computer Science, or relevant engineering field.
  • Minimum 5 years of relevant embedded system software development experience; 3 years of relevant embedded system software development experience with an advanced STEM degree.
  • Expertise in C programming and experience in Linux kernel drive development.
  • Must be a U.S. Citizen due to clients under U.S. government contracts.
  • All employment is contingent upon the successful clearance of a background check and drug test.

PREFERRED KNOWLEDGE, SKILLS, AND ABILITIES
  • Master of Science degree in Electrical, Computer, or Communications Engineering, or Computer Science.
  • Knowledge and experience of different security protocols and encryption algorithms such as the CNSA (Commercial National Security Algorithm) suite.
  • Demonstrated experience with socket programming and various Internet/Ethernet protocols.
  • Understanding of MAC and Networking layer of a communication system.
  • Experience in AMD UltraScale+, MPSoC, Microchip Polarfire SoC, or BSP (Board Support Package) development.
  • Deep understanding of Internet Protocol Security (IPsec), network protocols, data authentication and encryption.
  • Linux Interrupt Service Routine development.

WORKING CONDITIONS & PHYSICAL REQUIREMENTS
  • Office environment.
  • Occasional exposure to heat, cold, and allergens while performing tests or demonstrations in the field.
  • While performing the duties of this job, the employee is required to do the following:
    • Lift equipment up to 20 lbs. for the set-up of demonstrations and testing.
    • Perform bending and reaching movements to place items on lower and higher shelves.
    • Kneeling or squatting to access lower shelves.
    • Walking/Moving in the labs.

COMPENSATION
The pay range is NOT a guarantee. It is based on market research and peer data, and will vary depending on the candidate's experience and qualifications.
CA Pay Range
$140,000-$200,000 USD
Consistent with Motorola Solutions values and applicable law, we provide the following information to promote pay transparency and equity. Pay within this range varies and depends on job-related knowledge, skills, and experience. The actual offer will be based on the individual candidate.
NOTE - As a US Federal Contractor, Silvus Technologies requires that ALL candidates being considered for employment for any position (regardless of level) MUST be a U.S. Person (permanent resident or citizen). Stricter U.S. Citizen ONLY requirements (needed for some Engineering or R&D roles) will be included in the Required Qualifications section of the posted position. This does NOT apply to international positions; only job postings for positions located in the US.
Motorola Solutions is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion or belief, sex, sexual orientation, gender identity, national origin, disability, veteran status or any other legally-protected characteristic.
We are proud of our people-first and community-focused culture, empowering every Motorolan to be their most authentic self and to do their best work to deliver on the promise of a safer world. If you'd like to join our team but feel that you don't quite meet all of the preferred skills, we'd still love to hear why you think you'd be a great addition to our team.
We're committed to providing an inclusive and accessible recruiting experience for candidates with disabilities, or other physical or mental health conditions. To request an accommodation, please complete this Reasonable Accommodations Form so we can assist you.

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