Senior Software Engineer, AI Native
About The Position
CMT is seeking a senior-level Software Engineer to join its AI Native team. The team promotes effective use of AI tools across the organization and builds AI-based tools for company-wide use. It develops prototypes from ideas gathered inside and outside the company, then further develops those that gain traction. The team primarily works with Product and Engineering and may support other groups, such as HR and Finance. The role focuses on sourcing practical AI-native ideas, quickly prototyping solutions, evaluating trade-offs, and developing successful prototypes to a level suitable for use across the company. The engineer will communicate with both technical and nontechnical audiences, work with external vendors or trials when needed, apply security-minded practices, and present work to gather feedback and build support. CMT’s broader mission is to use AI and mobility technology to make roads and drivers safer.
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, Massachusetts office 3 days per week.
- Excellent communication and collaboration skills.
Responsibilities
- Use independent judgment and discretion to source practical AI-native ideas and solutions from inside and outside the company.
- Communicate in depth with engineers and at a practical, higher level with non-engineers.
- Assess solution trade-offs, including complexity and cost.
- Work with external vendors and trials as necessary, including open-weights models.
- Develop prototypes quickly and present them to appropriate audiences.
- Productize team prototypes to an appropriate level for use across the company.
- Apply a security mindset to personal work and the work of others.
- Present work to small audiences to gain traction and feedback.
- Complete additional tasks that may arise.
Benefits
- Annual performance bonus
- Equity may be awarded as Restricted Stock Units (RSUs)
- Medical insurance
- Dental insurance
- Vision insurance
- 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 work-from-home policy depending on role and responsibilities
- Summer Fridays with half days
- Employee resource groups
- Wellness, education, and employee assistance programs
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What This Job Offers
Job Type
Full-time
Career Level
Senior
