Senior Principal Software Development Engineer, Consumer AI Architect

CarGurus

Location

Boston, Massachusetts, United States

Posted

1 month ago

Department

Engineering & Technology

What they actually want (must-haves)

10+ years of experience architecting resilient, scalable systems
Extensive experience designing, implementing, and deploying consumer-facing AI experiences in production
Hands-on experience with LangChain, LangGraph, and LangFuse in Python
Broad knowledge of the AI framework and tooling landscape beyond Python
Hands-on full stack experience building performant applications across frontend, backend, and infrastructure layers
Experience building APIs and REST services in Java and UX applications in React preferred

Nice to have

Experience working within the AWS ecosystem
Experience with agentic programming and multi-agent workflows

What the job really is

As a Senior Principal Software Development Engineer at CarGurus, you will design, build, and deploy consumer-facing AI experiences for millions of users. This role involves mentoring engineers, setting technical direction, and collaborating with cross-functional teams to drive high-visibility AI initiatives from concept to production. You will also evaluate AI frameworks and guide the adoption of best practices in agentic programming across the department.

Benefits

Equity for all employees
Career development programs
Corporate giving programs
Employee resource groups (ERGs)
Flexible hybrid model
Robust time off policies

Things to weigh

No specific salary details for non-sales roles
In-person interviews may be required for Boston and Dublin positions
Travel expenses for in-person interviews are the candidate's responsibility

Job score3.8/5

Benefits5/5

Freshness4/5

Career value5/5

Role clarity5/5

Pay transparency0/5

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