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Freelance Embedded Software Engineer Jobs in Puerto Rico

Write out Unit Test Cases within the software's code so that the code is also embedded with software functional specifications. * Work in conjunction with the Quality Engineering team so that their ...

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Freelance Embedded Software Engineer information

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 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 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 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 popular job titles related to Freelance Embedded Software Engineer jobs in Puerto Rico? For Freelance Embedded Software Engineer jobs in Puerto Rico, the most frequently searched job titles are:
What job categories do people searching Freelance Embedded Software Engineer jobs in Puerto Rico look for? The top searched job categories for Freelance Embedded Software Engineer jobs in Puerto Rico are:
What cities in Puerto Rico are hiring for Freelance Embedded Software Engineer jobs? Cities in Puerto Rico with the most Freelance Embedded Software Engineer job openings:
Infographic showing various Freelance Embedded Software Engineer job openings in Puerto Rico as of June 2026, with employment types broken down into 21% Internship, 58% Full Time, and 21% Contract. Highlights an 100% In-person job distribution.
Senior Software Engineer, Embedded Linux BSP (Hybrid - Aguadilla, PR)

Senior Software Engineer, Embedded Linux BSP (Hybrid - Aguadilla, PR)

Collins Aerospace

Aguadilla, PR • Hybrid

$110K - $145K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 6 days ago


Collins Aerospace rating

8.5

Company rating: 8.5 out of 10

Based on 243 frontline employees who took The Breakroom Quiz

22nd of 60 rated aerospace companies


Job description

Date Posted:

2026-06-02

Country:

United States of America

Location:

US-PR-AGUADILLA-110 ~ Rd 110 N Km 28.8 ~ RD110

Position Role Type:

Hybrid

U.S. Citizen, U.S. Person, or Immigration Status Requirements:

U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract.

Security Clearance:

None/Not Required

Do you want to be a part of something bigger? A team whose impact stretches across the world, and even beyond? At Collins Aerospace, our Mission Systems team helps civilian, military and government customers complete their most complex missions — whatever and wherever they may be. Our customers depend on us for intelligent and secure communications, missionized systems for specialized aircraft and spacecraft and collaborative space solutions. By joining our team, you’ll have your own critical part to play in ensuring our customers succeed today while anticipating their needs for tomorrow. Are you up for the challenge? Join our mission today.

As a Senior Software Engineer in this organization, you will be involved in the development of state-of-the-art communications, information assurance, and general-purpose processing systems.  The Advanced Technology and Capabilities directorate supports some of the most cutting-edge products across the enterprise. We develop innovative solutions that keep our military members safe, connected, and informed. Our team has some of the most knowledgeable experts in the industry and work with all the most recent technologies in embedded software development.  Within Collins Aerospace we work alongside FPGA, hardware, and systems teams in order to seamlessly embed our advanced technology into our Mission Systems product portfolio. Examples of these products range from high-frequency radios to secure, sophisticated software-defined radios that can enable pilots and soldiers to transfer data, voice and imagery over the air. 

This position will sit at our Aguadilla, PR location. You must be residing in Puerto Rico at the time of starting employment. Relocation is not offered.

This role is categorized as hybrid, with 3 days onsite and 2 days remote following the schedule assigned by the Manager.

What YOU will do:

  • Design, develop and continuously enhance our customized Linux OS ecosystem and maintain ownership over areas such as build toolchain, kernel, root file system, bootloader, device drivers, and BSP for a wide variety of hardware boards.
  • Contribute to the design, coding, testing, delivery and ongoing support for embedded Linux software systems.
  • Participate in root cause analysis and resolution of complex hardware-software issues.
  • Prepare software builds for execution in a simulation environment, reference platforms and on the target hardware. Understand and utilize the appropriate Collins Aerospace processes and tools during product development, resulting in increased product quality and improving customer satisfaction.
  • Contribute to engineering estimates for product features.

What YOU will learn:

  • You will learn about our growing engineering team in Puerto Rico; What we do? Who we support? How we work?
  • You will learn the technologies of today and tomorrow which we count on to maintain world leadership in the aerospace industry.
  • You will learn why people enjoy and feel fulfilled by working in our industry.

Qualifications you must have:

  • Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 5 years prior relevant experience or an Advanced Degree in a related field and minimum 3 years of experience
  • Demonstrated professional experience communicating in English (verbal and written).
  • U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract.
  • Must have or be capable of obtaining a US Department of Defense (DoD) security clearance. Candidate selected will be subject to a government security investigation/reinstatement and must meet eligibility requirements

Qualifications We Prefer:

  • Proficiency with embedded C/C++
  • Experience with scripting languages (Bash and Python)
  • Experience with embedded Linux device drivers
  • Experience with board bring-up and target hardware integration
  • Experience with debugging and root cause investigations using hardware schematics and tools such as logic analyzer and Wireshark
  • Experience with GIT and SVN version control systems
  • Experience packaging custom Linux distribution with Buildroot.
  • Experience in developing and maintaining Linux board support packages (BSP) for embedded systems
  • Development experience Agile methodologies and DevSecOps

What We Offer

Some of our competitive benefits package includes:

  • Medical, dental, and vision insurance
  • Three weeks of vacation for newly hired employees
  • Generous 401(k) plan that includes employer matching funds
  • Participation in the Employee Scholar Program (ESP)
  • Life insurance and disability coverage
  • Employee Assistance Plan, including up to 8 free counseling sessions.
  • And more!

Learn More & Apply Now!

Collins Aerospace, an RTX business, is a leader in technologically advanced and intelligent solutions for the global aerospace and defense industry. Collins Aerospace has the capabilities, comprehensive portfolio, and expertise to solve customers’ toughest challenges and to meet the demands of a rapidly evolving global market.

Join our growing engineering team in Puerto Rico, where you will provide critical support to all Collins SBUs, working on exciting programs and projects ranging from the development of the next generation of advanced concept ejection seats to the latest technologies for the U.S. warfighter.

WE ARE REDEFINING AEROSPACE.

* Please consider the following role type definition as you apply for this role.

Hybrid: Employees who are working in Hybrid roles will work regularly both onsite and offsite.  Ratio of time working onsite will be determined in partnership with your leader.

At Collins, the paths we pave together lead to limitless possibility. And the bonds we form – with our customers and with each other -- propel us all higher, again and again.

Apply now and be part of the team that’s redefining aerospace, every day.

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.

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About Collins Aerospace

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Collins Aerospace, a Raytheon Technologies company, is a leader in technologically advanced and intelligent solutions for the global aerospace and defense industry. Collins Aerospace has the capabilities, comprehensive portfolio and expertise to solve customers' toughest challenges and to meet the demands of a rapidly evolving global market.

Industry

Aviation

Company size

10,000+ Employees

Headquarters location

Charlotte, NC, US

Year founded

2018