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Freelance Battery Management System Jobs (NOW HIRING)

Apple

Battery Algorithm Software Engineer

Cupertino, CA

$139K - $258K/yr

Are you interested to work on the forefront of Battery Management Systems? In this role you will develop future BMS technologies with a hardworking team of engineers in a highly reciprocal and multi ...

SAIC

Battery Well Inspector

Crane, IN

$18.50 - $25/hr

Battery Management System (BMS) troubleshooting and repair * Updates to Fleet training * Battery data review with on-site engineers * Participate in face to face meetings with NAVSEA sponsors

Apple

Battery Algorithm Software Engineer

Cupertino, CA

$139K - $258K/yr

Are you interested to work on the forefront of Battery Management Systems? In this role you will develop future BMS technologies with a hardworking team of engineers in a highly reciprocal and multi ...

Anduril Industries

Senior Battery Engineer

Costa Mesa, CA · On-site

$112K - $154K/yr

Battery management system (BMS) requirements, BMS HW and FW/SW design, BMS SW feature plan/roadmap, BMS validation plan at bench and HIL level * Cell, module, and pack level validation plan. Support ...

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Freelance Battery Management System information

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$132

How much do freelance battery management system jobs pay per hour?

As of Jun 10, 2026, the average hourly pay for freelance battery management system in the United States is $47.71, according to ZipRecruiter salary data. Most workers in this role earn between $24.28 and $61.78 per hour, depending on experience, location, and employer.

What is the difference between Freelance Battery Management System vs Battery Engineer?

AspectFreelance Battery Management SystemBattery Engineer
CredentialsSelf-taught or specialized certifications, no formal degree requiredBachelor's or Master's in Electrical Engineering or related fields, professional certifications
Work EnvironmentIndependent projects, remote or on-site, client-basedCompany labs, R&D departments, manufacturing facilities
Industry UsageConsulting, product development, prototypingDesign, testing, and optimization of battery systems within organizations

Freelance Battery Management System professionals typically work independently on projects, focusing on system integration and consulting, while Battery Engineers are employed by companies to develop and improve battery technologies. Both roles require technical knowledge, but differ in work setting and credentials.

What are the key skills and qualifications needed to thrive as a Freelance Battery Management System (BMS) Engineer, and why are they important?

To thrive as a Freelance Battery Management System Engineer, you need a solid background in electrical engineering, battery technology, and embedded systems, often backed by a relevant degree or equivalent experience. Familiarity with BMS design tools, circuit simulation software (like MATLAB/Simulink), and industry standards, as well as certifications such as IPC or ISO 26262, are commonly required. Strong problem-solving skills, effective communication, and the ability to work independently with clients are essential soft skills in this freelance role. These competencies ensure reliable system design, regulatory compliance, and successful project delivery in a competitive and rapidly evolving field.

What are the main challenges freelance Battery Management System (BMS) engineers face when working with multiple clients?

Freelance BMS engineers often encounter challenges such as adapting to varying technical requirements, integrating with different hardware and software platforms, and aligning with diverse client expectations. Each project may involve unique battery chemistries, communication protocols, and safety standards, requiring quick learning and flexibility. Additionally, freelancers must manage their own schedules, coordinate remotely with cross-functional teams, and ensure clear communication to deliver high-quality solutions on time.

What is a Freelance Battery Management System specialist?

A Freelance Battery Management System (BMS) specialist is a professional who works independently to design, develop, and maintain battery management systems for various applications, such as electric vehicles, renewable energy storage, and electronic devices. They are typically hired on a contract basis to provide expertise in monitoring, protecting, and optimizing battery performance and lifespan. Their work involves tasks like system integration, troubleshooting, and ensuring safe operation of batteries. Freelance BMS specialists often collaborate with engineers, manufacturers, and research teams to deliver tailored solutions. This role requires a strong background in electrical engineering, battery technologies, and relevant software tools.
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Freelance Battery Management System jobs near you
Battery Management Systems - Electrical Engineer

Battery Management Systems - Electrical Engineer

Apple

Cupertino, CA • On-site

Full-time

Posted 21 days ago

Apple rating

8.1

Company rating: 8.1 out of 10

Based on 661 frontline employees who took The Breakroom Quiz

6th of 30 rated technology retailers

Job description

Do you have a passion for invention and self-challenge? As part of our Battery Engineering group, craft creative battery solutions that deliver more energy in smaller spaces than ever before. We work across disciplines to transform improved hardware elements into a single, integrated design. Join us, and you'll help us innovate new battery technologies that continually outperform the previous iterations. By collaborating with other product development groups across Apple, you'll push the industry boundaries of what batteries can do and improve the product experience for our customers across the world!
In this role, you will utilize your electronics design skills to design, develop and test battery monitoring units and Battery management units (BMU) for next generation consumer electronic products. Responsibilities include designing electronic circuits, producing detailed design analysis, selecting electronic parts and integrated circuits to meet the performance targets. You will work with suppliers to develop custom parts where needed and design test methodologies to verify the battery management unit design!
Bachelor's in Electrical Engineering or relevant field of studyExperience in analog and/or power electronics designExperience in electronic circuit design/development with mixed signal systems or relevant
10+ years of proven experience with a Master's in Electrical Engineering or relevant field of studyBackground in any of the following: Power Electronics, Battery Management (fuel gauge and charger), Portable Consumer Electronics, Medical Electronics, Automotive Electronics)Experience with high volume manufacturingKnowledge of one or more scripting (Python, Shell, Unix, MATLAB, etc.) for test automation and data analysis desiredUnderstanding of the silicon manufacturing process and how semiconductor devices and associated parasitic sub circuits are created is preferredExcellent written and verbal communication skills and experience presenting data to cross-functional teams and/or managementDetail oriented and strive for product excellence

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About Apple

Sourced by ZipRecruiter

Imagine what you could do here! At Apple, new ideas have a way of becoming extraordinary products, services, and customer experiences very quickly. Bring passion and dedication to your job and there's no telling what you could accomplish. Dynamic, intelligent people and inspiring, innovative technologies are the norm here. The people who work here have reinvented entire industries with all Apple Hardware products. The same real passion for innovation that goes into our products also applies to our practices strengthening our dedication to leave the world better than we found it.

Industry

Computer and electronic product manufacturing

Company size

10,000+ Employees

Headquarters location

Cupertino, CA, US

Year founded

1976

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