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Freelance Embedded Software Engineer Jobs in California

Emergent Software

Embedded Software Engineer

Carlsbad, CA · On-site

$136K - $179K/yr

Our client is seeking a Embedded Software Engineer (Battery Management System) to lead development of a high-voltage BMS platform. This individual will serve as the technical owner for BMS software ...

Emergent Software

Embedded Software Engineer

Carlsbad, CA · On-site

$150K - $190K/yr

Our client is seeking a Embedded Software Engineer (Battery Management System) to lead development of a high-voltage BMS platform. This individual will serve as the technical owner for BMS software ...

Synovix, Inc.

Embedded Software Engineer

Woodland Hills, CA · On-site

$103K - $194K/yr

Embedded Software Engineer Real-time embedded software Position Overview Synovix is seeking two experienced Embedded Software Engineers to support an on-site missile and weapon -systems program for a ...

Next Step Systems

Embedded Software Engineer

Santa Clara, CA · On-site

$154K - $203K/yr

Embedded Software Engineer, Santa Clara, CA We are seeking a motivated and detail-oriented Embedded Software Engineer to join a dynamic team. The ideal Embedded Software Engineer will possess a solid ...

Transcend Softech LLC

Embedded Software Engineer

Irvine, CA · On-site

$141K - $185K/yr

Embedded Software Engineer Location: Irvine, California (onsite) Duration: Long Term Contract/Full time option as well. Job Overview: We are looking for an experienced Embedded Software Engineer to ...

CSG

Embedded Software Engineer

Inglewood, CA · On-site

$70 - $90/day

Embedded Software Engineer 12-Month Contract Location: Long Beach, CA Rate: $70-$90/hr Contract: 12-month rolling engagement Role Overview We are looking for an Embedded Software Engineer to support ...

Purple Hires Inc

Embedded Software Engineer

Irvine, CA · On-site

$141K - $185K/yr

Embedded Software Engineer Location: Irvine, California, 100% onsite (In-Person Interview) Domain - Avionics/Aerospace Domain Below is the detailed for your reference - Job Overview: We are looking ...

Resource Point LLC

Embedded Software Engineer

Carlsbad, CA · On-site

$136K - $179K/yr

Job Title: Embedded Software Engineer Location: Carlsbad, CA or Marlborough, MA Duration: 6+ Months This position is open to W-2 CANDIDATES ONLY who are authorized to work in the USA WITHOUT ...

Emergent Staffing

Embedded Software Engineer

Carlsbad, CA · On-site

$136K - $179K/yr

Our client is seeking a Embedded Software Engineer (Battery Management System) to lead development of a high-voltage BMS platform. This individual will serve as the technical owner for BMS software ...

Australia-Employment

Embedded Software Engineer

Anaheim, CA · On-site

$130K - $170K/yr

Embedded Software Engineer $130000 - $170000 per year | Anaheim, CA | On-site | Permanent Growing Company! Stable Tech!A bit about us: We are an established manufacturer in Southern California, with ...

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Freelance Embedded Software Engineer information

What is a freelance embedded software engineer?

A Freelance Embedded Software Engineer is a professional who designs, develops, tests, and maintains software that operates on embedded systems, such as microcontrollers and specialized hardware, while working independently or on a contract basis. Unlike full-time employees, freelancers typically work with multiple clients on a project-by-project basis. Their responsibilities often include writing firmware, optimizing code for hardware constraints, and integrating software with electronic components. Freelancers in this field enjoy flexibility and variety in their work, but are also responsible for managing their own business operations.

What are some common challenges freelance embedded software engineers face when working with multiple clients?

Freelance embedded software engineers often juggle several projects simultaneously, each with unique hardware platforms, toolchains, and client expectations. Managing communication across different time zones and ensuring clear documentation for handoffs can be challenging. Additionally, freelancers must quickly adapt to varying development environments and maintain up-to-date knowledge of industry standards to deliver quality solutions. Effective organization and transparent project management are key to overcoming these hurdles.

What are the key skills and qualifications needed to thrive as a freelance embedded software engineer, and why are they important?

To thrive as a Freelance Embedded Software Engineer, you need a strong background in computer science or electrical engineering, proficiency in embedded C/C++, and experience with microcontrollers or real-time operating systems. Familiarity with development tools such as Keil, IAR, or Eclipse, version control systems like Git, and relevant certifications (e.g., ARM Accredited Engineer) are highly valued. Excellent problem-solving skills, self-motivation, and strong communication are crucial for managing diverse client projects and remote collaborations. These skills ensure you can deliver reliable, efficient solutions tailored to client needs while maintaining professional autonomy and quality standards.

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

AspectFreelance Embedded Software EngineerEmbedded Software Developer
CredentialsTypically requires a degree in computer engineering or related field, with certifications like ARM or RTOS expertiseSimilar credentials, often with certifications in embedded systems or specific platforms
Work EnvironmentIndependent, project-based, often remote or client-siteUsually employed by companies, working in teams within offices or labs
Industry UsageFreelance market for custom projects, consulting, or short-term contractsFull-time or contract roles within tech, automotive, medical, or consumer electronics industries

While both roles require embedded systems knowledge and similar credentials, a Freelance Embedded Software Engineer works independently on diverse projects, often remotely, whereas an Embedded Software Developer is typically employed by a company, working within a team on ongoing product development.

What are the most commonly searched types of Embedded Software Engineer jobs in California?

The most popular types of Embedded Software Engineer jobs in California are:

What are popular job titles related to Freelance Embedded Software Engineer jobs in California?

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

What job categories do people searching Freelance Embedded Software Engineer jobs in California look for?

The top searched job categories for Freelance Embedded Software Engineer jobs in California are:

What cities in California are hiring for Freelance Embedded Software Engineer jobs?

Cities in California with the most Freelance Embedded Software Engineer job openings:

Freelance Embedded Software Engineer jobs near you
Infographic showing various Freelance Embedded Software Engineer job openings in California as of September 2026, with employment types broken down into 1% Internship, 1% As Needed, 83% Full Time, 12% Part Time, 1% Temporary, and 2% Contract. Highlights an 84% Physical, 3% Hybrid, and 13% Remote job distribution.

Embedded Software Engineer

Carlsbad, CA • On-site

Emergent Software
Software Development • 11 - 50 employees
Learn more about Emergent Softwareexternal

$136K - $179K/yr

Other

Posted 8 days ago

Job description

**This is a direct hire for one of our clients working on site out of the Carlsbad, CA offices. Eligible candidates must be authorized to work in the United States without visa or sponsorship.**

Our client is seeking a Embedded Software Engineer (Battery Management System) to lead development of a high-voltage BMS platform. This individual will serve as the technical owner for BMS software, driving architecture, implementation, validation, and long-term strategy while partnering with embedded software and electrical engineering teams. This role is critical to maintaining ownership of core vehicle intellectual property and closing a key technical gap within the engineering organization.

Responsibilities

  • Lead development and ownership of high-voltage BMS software

  • Define technical direction and execution plans for the BMS program

  • Design, develop, debug, test, and validate embedded software

  • Translate system requirements into software architecture and implementation

  • Develop embedded drivers from hardware schematics and component datasheets

  • Bring up, test, and troubleshoot new circuit board designs

  • Collaborate with electrical, systems, and embedded software teams

  • Participate in code, software design, and schematic reviews

  • Maintain high standards for software quality, performance, and maintainability

  • Support internal ownership of critical vehicle technology

  • Mentor junior engineers as the team grows

Qualifications

  • Bachelor's degree in Computer Science, Computer Engineering, Electrical Engineering, or related field

  • 10+ years of embedded software development experience

  • 3+ years of high-voltage Battery Management System experience

  • Strong C programming skills with working knowledge of C++

  • Experience with bare-metal embedded systems

  • Deep understanding of distributed high-voltage BMS architectures

  • Knowledge of functional safety principles

  • Experience in Linux development environments

  • Proficiency with Git and source control practices

  • Experience using Python

  • Track record of delivering production-quality embedded software

  • Experience using oscilloscopes, multimeters, power supplies, logic analyzers, and related test equipment

  • Strong technical communication skills

  • Ability to take ownership and lead complex engineering initiatives

  • Comfortable working in a fast-paced startup environment

Nice to Haves

  • Automotive EV battery systems experience

  • Experience with Tesla, Rivian, hybrid vehicle programs, or similar organizations

  • Knowledge of EV architectures and subsystems

  • Experience with CAN bus and LIN bus communications

  • Familiarity with Jira

  • Background in aerospace, medical device, industrial automation, or other high-voltage industries

  • Leadership or mentoring experience

  • Experience leveraging AI-assisted development tools

Our Vetting Process

At Emergent Staffing, we work hard to find the Engineers who are the right fit for our clients. Here are the steps of our vetting process for this position:

  1. Application (5 minutes)

  2. Online Assessment (40-60 minutes)

  3. Initial Video Interview (30-45 minutes)

  4. Video Interview with Hiring Manager (30-45minutes)

  5. Technical Interview On-site (60-90 minutes)

  6. Final Leadership Interview On-site (60 minutes)

  7. Job Offer!

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