Senior Software Engineer, AI Native
About The Position
CMT is seeking a senior-level, versatile Software Engineer to join its AI Native team. The team has a dual mandate: promote efficient use of AI tools across the organization and build AI-based tools for broader use. Its work has included projects such as a PR reviewer, an AI Engineer, and spend management tools. The team primarily works with Product and Engineering, while also supporting efficient AI use in other teams where needed, including HR and Finance. It sources ideas internally and externally, builds prototypes, and further develops prototypes that gain traction for use across the company. The role focuses on sourcing practical AI-native ideas, assessing and communicating solution trade-offs, rapidly developing prototypes, and productizing successful work for company-wide use. The engineer will collaborate with engineers and non-engineers, engage external vendors or trials as needed, apply a security mindset, and present work to audiences to gain feedback and support. CMT’s work aims to make roads and drivers safer through AI applications in mobility, including understanding and reducing risk, detecting crashes, and helping people get life-saving assistance.
Requirements
- Bachelor’s degree, or equivalent years of experience and/or certification, in Computer Science or a related field.
- At least 4 years of relevant software engineering experience, focused on backend applications, services, and APIs.
- Strong programming skills in languages such as Python and Golang.
- Experience using AI tools for engineers, such as Claude Code, Codex, or Cursor.
- Experience with databases, such as SQL.
- Experience building LLM-powered applications and MCP servers.
- Experience working with services in AWS.
- Experience with security analyses and auditing in an AI setting.
- Ability to commute to the Cambridge, MA office three days per week.
- Excellent communication and collaboration skills.
Responsibilities
- Use independent judgment and discretion to source the latest practical AI-native ideas and solutions from inside and outside the company.
- Communicate clearly at a variety of levels, in depth with engineers and at higher but practical levels with non-engineers.
- Assess trade-offs between solutions in terms of complexity, cost, and other factors.
- Work with external vendors and trials as necessary, such as open-weights models.
- Develop prototypes quickly and present them to appropriate audiences.
- Productize the team’s prototypes to an appropriate level for use across the company.
- Apply a security mindset to your own work and others’ work.
- Present work to small audiences to gain traction and feedback.
- Complete additional tasks that may arise.
Benefits
- Annual performance bonus.
- Equity may be awarded in the form of Restricted Stock Units (RSUs).
- Medical, dental, vision, and life insurance.
- 401(k) matching.
- Short-term and long-term disability coverage.
- Parental leave.
- Unlimited paid time off, including vacation, sick days, and public holidays.
- Flexible scheduling and a work-from-home policy depending on role and responsibilities.
- Summer Fridays with half days to recharge.
- Employee resource groups, including Black, AAPI, LGBTQIA+, Women, Book Club, and Health & Wellness.
- Wellness, education, and employee assistance programs.
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What This Job Offers
Job Type
Full-time
Career Level
Senior
