Senior Software Engineer, AI Native

Senior Software Engineer, AI NativeCMT is seeking a senior-level versatile Software Engineer to join our AI Native team. This team has a dual mandate: spreading efficient AI tool usage across the organization and building new AI-based tools for wider use. Recent projects have ranged from building a PR reviewer, to an AI Engineer, to spend management tools. The team works primarily with Product and Engineering teams, but also looks to grow efficient AI usage in other teams where needed (e.g. HR, Finance). The team sources ideas from inside and outside the company to build prototypes; prototypes with traction are then more fully developed by the team and used across the company. If you're interested in using your skills to make the world's roads and drivers safer, we'd like to meet you.CMT is looking for a Senior Software Engineer, AI Native 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:Use independent judgment and discretion to source the latest practical AI Native ideas and solutions from inside and outside the companyClearly communicate at a variety of levels: in depth with engineers, and at higher but practical levels with non-engineersAssess the trade-offs between solutions in terms of complexity, cost, and other factorsWork with external vendors / trials as necessary (e.g. open-weights models)Develop prototypes quickly and shop them to the appropriate audienceProductize the team's prototypes to the appropriate level such that they can be used across the companyApply a security-mindset to your and others' workPresent your work to small audiences to gain traction and feedbackComplete any additional tasks that may ariseQualifications:Bachelor's degree or equivalent years of experience and/or certification in Computer Science or related field4+ years of relevant working experience in software engineering, with a focus on backend applications, services, and APIsStrong programming skills in languages such as Python and GolangAI Literacy: experience with AI tools for engineers (e.g. Claude Code, Codex, Cursor)Experience with databases (e.g. SQL)Experience building LLM-powered applications and MCP serversExperience working with services in AWSExperience with security analyses and auditing in an AI settingAbility to commute to our Cambridge, MA office 3 days per weekExcellent communication and collaboration skillsCompensation and Benefits:Fair and competitive salary based on skills and experience, and annual performance bonusEquity 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 leaveUnlimited Paid Time Off including vacation, sick days & public holidaysFlexible scheduling and work from home policy depending on role and responsibilitiesBase Salary Range:The base salary range for this position is: $139,300 to $174,100. This range is specifically for Cambridge, MAAdditional Perks:Work on a mission with real impact: crashes prevented, injuries avoided, lives protected around the worldJoin an industry leader — 65 million drivers protected, powering 140+ programs across 25 countriesRecognized innovator in mobility AI, earning top honors including the TIME Industry Leader in AI, a Gold Edison Award, and the Artificial Intelligence Excellence Award for AI for Social Good. CMT is also Great Place to Work CertifiedBe part of the team inventing the future of mobility and road safetyMove fast, own outcomes, do work that mattersHigh ownership, small teams, and direct access to leadership — no layers between your work and its impactUnlimited PTO, flexible scheduling, competitive salary, annual performance bonus, RSUs, and full benefits including medical, dental, vision, and 401k matchSummer Fridays provide team members with half days to rechargeJoin one of our employee resource groups: Black, AAPI, LGBTQIA+, Women, Book Club, and Health & WellnessComprehensive wellness, education, and employee assistance programsCommitment 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.