Principal Software Engineer, Backend
Company: Cambridge Mobile Telematics
Location: Cambridge
Posted on: April 6, 2026
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Job Description:
Cambridge Mobile Telematics (CMT) is the world’s largest
telematics service provider. Its mission is to make the world’s
roads and drivers safer. The company’s AI-driven platform,
DriveWell Fusion®, gathers sensor data from millions of IoT devices
— including smartphones, proprietary Tags, connected vehicles,
dashcams, and third-party devices — and fuses them with contextual
data to create a unified view of vehicle and driver behavior. Auto
insurers, automakers, commercial mobility companies, and the public
sector use insights from CMT’s platform to power risk assessment,
safety, claims, and driver improvement programs. Headquartered in
Cambridge, MA, with offices in Budapest, Chennai, Seattle, Tokyo,
and Zagreb, CMT measures and protects tens of millions of drivers
across the world every day. As a Principal Software Engineer at CMT
on the Trip Processing team, you will be responsible for
collaboratively delivering technical solutions to the heart of our
state-of-the-art telematics pipeline. You will work closely with
product and research teams to design, develop, and execute new
features and improvements, mentor junior engineers, and
continuously improve our codebase. Your role will be pivotal in
maintaining high standards of software quality to meet the needs of
our insurer customers. CMT is looking for a collaborative,
customer-committed, and creative Principal Software Engineer II,
Backend who wants to join us in making roads safer by making
drivers better! Responsibilities: Participate throughout the
planning process, collaborating with product managers, data
scientists, and fellow engineers to balance technical feasibility
with customer needs Implement and enhance solutions for telematics
insights enabled by our processing pipelines Identify and measure
key production performance metrics, ensuring scalability and
efficiency Design, implement, and maintain automated tests for
telematics solutions, ensuring safe delivery of features and fixes
Ensure high bar for quality within our sphere of influence Provide
expert guidance on cloud software architecture Keep the codebase
healthy amidst increasing complexity Mentor junior engineers as
needed Complete any additional tasks as they arise Qualifications:
Bachelor’s degree or equivalent years of experience and/or
certification in Computer Science, Engineering, or related field 9
years of relevant professional experience Proven experience with
development at scale Fluency in at least one programming language
with ability to learn Python, optionally C++ Experience with
Continuous deployment, and test-driven development (TDD) Experience
with relational database (RDBMS) schema design Comfortable with AWS
or similar services EC2, S3, Lambda, SNS, SQS, RDS (Postgres),
Dynamo Terraform, Terragrunt Knowledgeable of containerization
technologies (specifically Docker) Compensation and Benefits: Fair
and competitive salary based on skills and experience, and annual
performance bonus Equity may be awarded in the form of Restricted
Stock Units (RSUs) Medical, Dental, Vision and Life Insurance,
matching 401k, short-term & long-term disability and parental leave
Unlimited Paid Time Off including vacation, sick days & public
holidays Flexible scheduling and work from home policy depending on
role and responsibilities Base Salary Range The base salary range
for this position is: $167,200 to $209,000. This range is
specifically for Cambridge, MA A dditional Perks: Feel great
working to improve road safety around the world! Join one of our
many employee resource groups including Black, AAPI, LGBTQIA,
Women, Book Club and Health & Wellness Extensive wellness,
education and employee assistance programs CMT will do all that is
possible to support our employees and create a positive and
inclusive work environment for all! Commitment to Diversity and
Inclusion: A t CMT, we believe the best ideas come from a mix of
backgrounds and perspectives. We are an equal-opportunity employer
committed to creating a workplace and culture where everyone feels
valued, respected, and empowered to bring their unique talents and
perspectives. Diversity is essential to our success, and we
actively seek candidates from all backgrounds to join our growing
team. We do not discriminate based on race, religion, color,
national origin, gender, sexual orientation, age, m arital status,
veteran status or disability state. CMT is headquartered in
Cambridge, MA. To learn m ore, visit www.cmtelematics.com and
follow us on X @cmtelematics.
Keywords: Cambridge Mobile Telematics, Cranston , Principal Software Engineer, Backend, Engineering , Cambridge, Rhode Island
