Senior Software Engineer, Full Stack

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 Senior Fullstack Software Engineer at CMT, you’ll design, build, and maintain scalable web applications that power our telematics platform. You’ll work across the tech stack—from intuitive user interfaces to robust backend systems—solving complex problems in collaboration with product, design, and data teams. This is a hands-on engineering role for someone who thrives in a fast-paced environment, mentors others, and brings a strong sense of ownership and curiosity. Your work will directly impact how users experience CMT’s products and contribute to our mission of making roads safer around the world.

CMT is looking for a collaborative, customer-committed, and creative Senior Software Engineer, Full Stack who wants to join us in making roads safer by making drivers better!

Responsibilities:

• Solve complex problems and transform them into business solutions in collaboration with team members
  • Analyze and translate business and functional specifications and change requests into technical specifications suitable for implementation
  • Able to independently transform complex technical requirements into smaller implementable pieces; able to implement performant software solutions that are maintainable, scalable, reliable and testable
  • Participate in code and design reviews
  • Participate in the hiring process
  • Train and guide junior developers on proper software development procedures and methods
  • Follow company defined development and operational standards and processes
  • Provide on-call support during business critical emergency scenarios. Support and troubleshoot production issues as needed.
  • Complete any additional tasks as they arise

Qualifications:

• Bachelor’s degree or equivalent years of experience and/or certification in a technical field
  • 4+ years of relevant experience
  • Experience developing web applications and proficiency in web technologies (HTML, CSS, JavaScript, TypeScript).
  • Experience with web frameworks like React and Django is a plus.
  • Experience designing or developing Restful APIs or web services
  • Knowledge of a backend development language like Python
  • Comfortable working with AWS services: EC2, S3, Lambda, SNS, SQS, RDS (Postgres), NoSQL
  • Understanding of Agile development methodologies (specifically SCRUM)
  • Excellent communication and collaboration skills
  • Customer obsessed, demonstrates initiative, has a learning mindset, takes ownership
  • Proven ability to deliver results
  • An analytical mindset

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

Additional 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:

At 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, marital status, veteran status or disability state. CMT is headquartered in Cambridge, MA. To learn more, visit and follow us on X @cmtelematics.