Software Engineer III - Embedded Systems
thorlabs
Jessup, Maryland, United States · Jessup · United States
Posted Jul 17, 2026
- Full-time
- US - LST -Laser Systems and Technology
- Mid-Senior level
thorlabs
Jessup, Maryland, United States · Jessup · United States
Posted Jul 17, 2026
At Thorlabs, we design and manufacture components, instruments, and systems that transform the world by identifying, enabling, and accelerating key photonics (i.e., light-based) technologies. Backed by a dedicated workforce of more than 3,000 employees worldwide, Thorlabs contributes to cutting-edge research and real-world innovation.
Whether you're early in your career or bringing years of experience, you’ll find opportunities to grow, take ownership, and make meaningful contributions from day one. We know every employee brings unique talents and perspectives that fuel our success, and we seek driven individuals who are excited to make an impact in a fun, fast-moving culture.
This position will be responsible for the design and development of control firmware and software for a broad range of precision laser and photonic instruments within the Laser Systems and Technology (LST) business unit. The successful candidate will have the ability to design and build complex embedded code for micro-controllers as well as graphical user interfaces (GUI). The Software Engineer should have sufficient proficiency and experience to serve as a go-to reference and resource to guide a multi-disciplinary team in making successful decisions in architecting complex codebases, facilitating collaborative software development via GIT and Azure DevOps. This position will also have the responsibility to mentor and supervise junior members of the software/firmware team within the LST business unit. Although the location of the position is in the Baltimore/Washington DC area, from time to time, the Software Engineer may be required to undertake duties at other Thorlabs locations.
• Firmware and software development for the company’s advanced photonics and instrumentation products.
• Microcontroller programming.
• Programming graphical user interfaces (GUI).
• Complex software/firmware architecture planning and implementation.
• System level thinking and cross-disciplinary interactions.
• Managing multiple projects simultaneously, maintaining schedules and reporting on progress to business unit leadership.
• Documentation and bug tracking.
• Production support, as needed.
• Training, mentoring, and supervising junior team members.
The Company retains the right to change or assign other duties to this position.
Requirements
Experience:
• 7+ years of experience in firmware or software development for scientific, academic, industrial, biotech, medical, or semiconductor instrumentation.
Education:
• Bachelor's degree (BS), Master’s degree (MS) preferred, in Computer Science, Computer or Electrical Engineering, or related field.
Specialized Knowledge and Skills:
The following are required:
• Experience with C/C++ programming for embedded real time systems and microcontroller firmware
• Hands-on experience with embedded development, including bare-metal and RTOS environments
• Strong debugging skills and proficiency with electronics lab tools (oscilloscopes, logic analyzers, multimeters)
• Strong commitment to software engineering best practices including version control, documentation, and structured release management
• GUI development with C# and/or Qt C++ on either Windows or Linux
• Python • GIT for software version control
• Experience with Linux system configuration
The following are preferred but not required:
• Experience with STM32 microcontrollers and FreeRTOS
• Proficiency with modern C++
• Experience using Azure DevOps for managing software projects
• Linux Bash scripting General understanding and/or hands on experience with analog and digital electronics
• Good communications skills, both oral and written, technical presentation skills.
The estimated pay range for this role is $99,000 - $ 130000 annually
Thorlabs values its diverse environment and is proud to be an Equal Employment Opportunity/Affirmative Action employer. All qualified individuals will receive consideration for employment without regard to race, color, religion, gender, gender identify or expression, sexual orientation, national origin, genetics, disability, age or veteran status. Job descriptions are not intended as and do not create employment contracts. The organization maintains its status as an at-will employer. Employees can be terminated for any reason not prohibited by law.
Benefits
Thorlabs offers a complete benefits package that includes medical, dental and vision insurance, company paid life insurance, a generous PTO package, a 401(k) plan, and tuition reimbursement just to name a few.
Thorlabs Ltd. manufactures Motion Control and Vibration Isolation products for photonics applications in the industrial and research sectors.12 miles from Cambridge with train and bus linkDouble digit annual growthOur vision and values drive our operations, our interactions, and the traits we look for in new talent:In addition to onsite training, we offer multiple and cross-departmental opportunities for development:External training and funded educationHands-on lab experience across global locationsCareer progression opportunitiesAnnual entity-wide leadership development Contributed Pension Scheme Group Life Cover Private Health Care Child Care Vouchers Group Income Protection and more.If you wish to apply for the above position, please send a copy of your CV along with a covering letter and your salary expectations to: Human Resources at Thorlabs Ltd, 204 Lancaster Way Business Park, Ely, Cambridgeshire, CB6 3NX or email recruitment@thorlabs.comIn line with the requirements of the Immigration, Asylum and Nationality Act 2006, all applicants must have a valid permission to enter or remain in the UK with no condition that prevents them from working in the UK. Documented evidence of such permission will be required from candidates as part of the recruitment process.
Thorlabs Ltd. manufactures Motion Control and Vibration Isolation products for photonics applications in the industrial and research sectors.
12 miles from Cambridge with train and bus link
Double digit annual growth
Our vision and values drive our operations, our interactions, and the traits we look for in new talent:
In addition to onsite training, we offer multiple and cross-departmental opportunities for development:
External training and funded education
Hands-on lab experience across global locations
Career progression opportunities
Annual entity-wide leadership development
Contributed Pension Scheme 
Group Life Cover
Private Health Care 
Child Care Vouchers
Group Income Protection and more.
If you wish to apply for the above position, please send a copy of your CV along with a covering letter and your salary expectations to: Human Resources at Thorlabs Ltd, 204 Lancaster Way Business Park, Ely, Cambridgeshire, CB6 3NX or email recruitment@thorlabs.com
In line with the requirements of the Immigration, Asylum and Nationality Act 2006, all applicants must have a valid permission to enter or remain in the UK with no condition that prevents them from working in the UK. Documented evidence of such permission will be required from candidates as part of the recruitment process.