Baton
Senior Software Engineer
$180K–$230K
New York City · On-site · Senior · Full-time · Posted May 31, 2026
About the job
Build and operate full-stack agentic AI features and infrastructure for Baton’s marketplace for buying and selling small businesses.
What you'll do
- Ship end-to-end AI features and own 0-to-1 projects with product, sales, and operations teams.
- Build and improve production infrastructure for AI inference, evaluation, and monitoring.
- Integrate intelligent capabilities into the marketplace, including matching, document understanding, and agentic workflows.
What they ask for
- Experience shipping and owning production AI systems end-to-end (LLM and/or classic ML), with real users and measurable outcomes.
- Strong software engineering fundamentals, excellent Python skills, and experience integrating foundation models in production.
- Track record of taking ambiguous problems from concept to production and demonstrating impact.
- Strong product sense and comfort turning business needs and uncertainty into technical solutions.
Nice to have
- Experience with agentic systems, LLM evaluation, or operating LLM systems at scale.
- Familiarity with Go, GraphQL, React/TypeScript, or marketplace, fintech, NLP, information retrieval, or recommendation systems.
Pay
USD 180K – USD 230K base salary
Tools
Python, Go, GraphQL, React/TypeScript
AI focus
Build and operate production agentic AI systems for customer interactions and business workflows, including inference, evaluation, monitoring, and continuous improvement.
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