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# Senior Software Engineer, AI Developer Experience

- **Company:** CarGurus, Inc.
- **Location:** Boston, MA, United States
- **Experience:** Expert
- **Salary:** $140,000.0 - $176,000.0
- **Contract:** Permanent contract
- **Skills:** LangGraph Framework, Java (Programming Language), JavaScript (Programming Language), Application Programming Interfaces (APIs), Artificial Intelligence, Amazon Web Services, User Authentication, Cloud Computing, Web Development, Python (Programming Language), OAuth, OpenID, Large Language Models, Claude Code, Reliability of Systems, Langfuse — LLM Observability and Analytics Platform, Fastapi, Kubernetes, Information Technology, Virtual Agents, Terraform
- **Published:** October 19, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=5e419289fc35e094

## About the Role

* Five or more years of hands-on, full-stack software design and development, including at least three years of Python.
 * Experience building web applications and working with cloud-native systems on AWS or similar cloud providers
 * Production level hands-on exposure to AI frameworks or APIs (e.g. FastAPI, Anthropic, LangChain/LangGraph, LangFuse, Evals)
 * Experience using modern AI coding tools (assistants, agents, MCP) on real engineering work, or eagerness to adopt them
 * Experience with Java, client and server side JavaScript, and Terraform, is a plus
 * Working knowledge of authentication and identity standards (OAuth2/OIDC), or a strong appetite to learn them
 * Comfort writing tests, using observability tools, and owning well-scoped tasks end to end
 * Curious, collaborative, and eager to learn with strong communication skills
 * Bachelor's degree in Computer Science or equivalent

## Description

* Build and ship developer tooling, framework components, and reusable templates that raise engineering productivity and quality
 * Contribute to our agentic development ecosystem: Claude Code configuration, plugins and skills, MCP servers and homegrown autonomous agentic coding platform
 * Build and integrate AI agent workflows, leveraging LLM APIs and orchestration frameworks to automate and enhance user experiences
 * Participate in the evaluation of new AI development technologies, libraries, and techniques, sharing findings with the broader team
 * Support the rollout of AI tools and practices to engineering teams across CarGurus, including documentation and internal tooling
 * Apply our standards, guardrails, and best practices in your work, and help product teams adopt them
 * Continuously learn, experiment, and advocate for new technologies and methodologies that can move the business forward
 * Investigate, root cause, and improve system reliability and performance