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Freelance Embedded System Software Engineer Jobs in Brea, CA

ApplyMint

Embedded Software Engineer

Los Angeles, CA · On-site

$132 - $152/hr

Parallel Systems is pioneering autonomous battery-electric rail vehicles designed to transform ... Embedded Software Engineer Parallel Systems is seeking an Embedded Software Engineer to help ...

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Freeform

Software Engineer (Embedded)

Los Angeles, CA · On-site

$125K - $150K/yr

By treating manufacturing as a single integrated system, we unlock a new era of innovation where complex hardware is designed, built, and scaled without limits. As an Embedded Software Engineer at ...

Freeform

Software Engineer (Embedded)

Los Angeles, CA

$125K - $150K/yr

By treating manufacturing as a single integrated system, we unlock a new era of innovation where complex hardware is designed, built, and scaled without limits. As an Embedded Software Engineer at ...

Freeform

Software Engineer (Embedded)

Los Angeles, CA · On-site

$125K - $150K/yr

By treating manufacturing as a single integrated system, we unlock a new era of innovation where complex hardware is designed, built, and scaled without limits. As an Embedded Software Engineer at ...

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All JobsEmbedded System Software Engineer JobsFreelance Embedded System Software Engineer JobsFreelance Embedded System Software Engineer Jobs in Brea, CA

Freelance Embedded System Software Engineer information

See Brea, CA salary details

$72.5K

$158.9K

$180.2K

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

As of Sep 6, 2026, the average yearly pay for freelance embedded system software engineer in Brea, CA is $158,883.00, according to ZipRecruiter salary data. Most workers in this role earn between $136,200.00 and $179,200.00 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 are the key skills and qualifications needed to thrive as a freelance embedded system software engineer?

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.

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 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.

What are popular job titles related to Freelance Embedded System Software Engineer jobs in Brea, CA?

For Freelance Embedded System Software Engineer jobs in Brea, CA, the most frequently searched job titles are:

What cities near Brea, CA are hiring for Freelance Embedded System Software Engineer jobs?

Cities near Brea, CA with the most Freelance Embedded System Software Engineer job openings:

Freelance Embedded System Software Engineer jobs near you
Infographic showing various Freelance Embedded System Software Engineer job openings in Brea, CA as of August 2026, with employment types broken down into 1% Internship, 1% As Needed, 81% Full Time, 12% Part Time, and 5% Contract. Highlights an 91% Physical, 2% Hybrid, and 7% Remote job distribution, with an average salary of $158,883 per year, or $76.4 per hour.

Senior Embedded Software Engineer

Three Point Solutions

Torrance, CA • On-site

$85 - $90/hr

Contractor

Re-posted 22 days ago

Job description

Job Title:         Senior Embedded Software Engineer

Client:              Heavy Machine Manufacturing Company

Duration:         24 Months (Possibility of Extension/Conversion)

Location:         Torrance, CA 90503

Shift:                1st Shift

Description:

  • Design, develop, test, and optimize embedded software solutions for GNSS navigation systems.
  • Develop and implement complex GNSS navigation algorithms and estimation techniques using C/C++.
  • Create engineering designs, technical specifications, validation plans, and software documentation.
  • Perform software testing, peer reviews, debugging, and continuous improvement of embedded systems.
  • Collaborate with cross-functional teams to diagnose issues and deliver high-quality software features.
  • Develop engineering standards and ensure compliance with quality, safety, and regulatory requirements.
  • Support project planning, risk management, and technical execution throughout the product lifecycle.
  • Contribute to process improvements, engineering innovation, and embedded software best practices.

Required Skills:

  • Embedded Software Development
  • C/C++ Programming
  • GNSS Navigation Algorithms
  • Estimation Theory
  • Embedded Systems Design
  • Software Testing & Validation
  • Technical Documentation
  • Project Management
  • Communication & Collaboration

Preferred Skills:

  • Navigation System Development
  • Algorithm Design & Optimization
  • Engineering Standards & Specifications
  • Risk Management
  • Software Peer Reviews
  • Cross-Functional Team Collaboration

Education:

  • Bachelor's degree in Computer Engineering, Electrical Engineering, Computer Science, Software Engineering, or a related engineering discipline.

Experience:

  • 5+ years of embedded software engineering experience.
  • Strong experience with GNSS navigation systems, embedded C/C++ programming, and algorithm development.
  • Experience working on cross-functional engineering projects and embedded software product development.

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