Baton

Senior Software Engineer

Baton
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5 months ago

Base Salary

$180k - $230k/yr

Responsibilities

  • Ship full-stack AI features end-to-end, from stakeholder scoping through deployment of agentic systems.
  • Own 0-to-1 projects and collaborate with sales and operations to identify opportunities and build intelligent capabilities.
  • Build and improve agentic infrastructure for production inference, evaluation, and monitoring.
  • Integrate AI into the marketplace through clean, native product interfaces.
  • Develop scalable systems for intelligent matching, document understanding, and agentic workflows.
  • Own the full product loop from identifying important problems through production monitoring and improvement.

Requirements

  • Production experience shipping and owning end-to-end AI systems using LLMs and/or classic machine learning for real users with measurable outcomes.
  • Strong software engineering fundamentals, excellent Python skills, and experience integrating foundation models in production.
  • A track record of taking ambiguous problems from concept through production and demonstrating impact.
  • Strong product sense and the ability to translate business needs into technical solutions independently.
  • Comfort working with limited structure and turning uncertainty into clarity.
  • Preferred: experience with modern AI frameworks, multi-step agentic systems, tool use, planning, and human-in-the-loop patterns.
  • Preferred: experience designing offline and online LLM evaluation suites, including rubric-based and model-graded evaluations.
  • Preferred: experience operating LLM systems at scale, including latency, cost, caching, fallbacks, rate limits, and reliability.
  • Preferred: familiarity with retrieval quality techniques such as chunking, reranking, query rewriting, and relevance tuning.
  • Preferred: marketplace, platform, fintech, or small-business experience, including matching algorithms or business transactions.
  • Preferred: familiarity with Go, GraphQL, or React and TypeScript.
  • Preferred: background in NLP, information retrieval, or recommendation systems.

Benefits

  • Employer contributions for all healthcare options, plus a 401(k) plan and short-term disability.
  • Four weeks of paid time off, generous sick leave, and six flexible Work From Anywhere days.
  • On-demand mental health support from Spill.
  • Parental leave program.
  • Laptop of choice.
  • In-person work in New York City with commuter perks and in-office snacks.
Baton

About Baton

11-50 employees

Baton builds a data-driven marketplace for buying and selling small businesses in the U.S., offering valuations grounded in real financials, verified company data, and tools that streamline diligence and closing. Founded in 2021 and headquartered in New York, it matches owners with qualified buyers on a single platform. The company is venture-backed, with investors including Giant Ventures and Bloomberg Beta.

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