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Principal Software Engineer I, Full Stack

Cambridge Mobile Telematics - Cambridge, MA

Posted Apr 1, 2026

Benefits

Parental leave
Not verified
Non-birth-parent leave
Not verified
Family-building benefits
  • Fertility benefits: Not verified
  • Adoption assistance: Not verified
  • Surrogacy assistance: Not verified
Mental health support
Not verified
Relocation assistance
Not verified
Childcare support
Not verified
Learning budget
Not verified
Verification
Not verified checked Jun 7, 2026
Salary
$178K-$209K From the posting source checked Jun 20, 2026
401(k) match
Reported from DOL Form 5500 industry filing (not employer-specific)

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Market context

U.S. role benchmark (BLS OEWS)
$116,543 U.S. median for this role
Projected growth (BLS Employment Projections)
+9.8% - Much faster than average

66% above the BLS role benchmark for software engineering aggregate.

Matched to SOC 15-1252 - Software Engineering aggregate by role bucket.

Source: U.S. Bureau of Labor Statistics, OEWS, May 2024 and Employment Projections, 2024-2034.

Role

Role function
Engineering From the posting source checked Jun 20, 2026
Seniority
Principal From the posting source checked Jun 20, 2026

Schedule

Shift type
Not verified
Weekend work
Not verified

Company

Equity
Offered From the posting source checked Jun 20, 2026

Application

Cover letter
Not verified
Assessment
Not verified
Deadline
Not stated

Where they hire

State eligibility is not yet verified.

About this role

Principal Software Engineer I, Full Stack Cambridge, MA We are seeking an experienced Principal Software Engineer to lead complex projects, and mentor teams in building scalable and reliable full-stack solutions. The person in this role will play a pivotal role in shaping the technical direction of our platform and ensuring its continued success. CMT is looking for a Principal Software Engineer I, Full Stack to help us change the world. CMT has helped protect over 65 million drivers and prevent over 126,000 crashes worldwide. We build AI to solve some of the most difficult challenges in mobility - understanding and reducing risk, detecting crashes, and getting people life-saving help. The problems are hard. The impact is real. No matter your role, your work will matter at CMT. Responsibilities: - Lead the development of critical features and components, ensuring high quality and timely delivery - Provide technical guidance and mentorship to engineering teams, fostering a culture of excellence - Identify and resolve complex technical challenges, proactively mitigating risks. - Lead cross functional technical projects - Evaluate and recommend new technologies and approaches to improve system performance and efficiency - Design and implement robust, scalable, and maintainable architectures for complex systems - Collaborate with product and engineering leaders to define technical roadmaps and strategies - Anticipate future technical needs and ensure the platform is prepared for growth - Contribute to the development of best practices and standards for software development - Ensure the reliability and performance of production systems, providing on-call support

Read the full description at www.cmtelematics.com. FewerJobs shows a preview and links to the original posting.

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