Baton

Senior Software Engineer

Baton
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5 months ago

Base Salary

$180k - $230k/yr

Responsibilities

  • Ship full-stack AI features and agentic systems from stakeholder scoping through production deployment.
  • Own 0-to-1 projects and identify high-leverage opportunities with sales and operations teams.
  • Build and improve infrastructure for production inference, evaluation, and monitoring.
  • Integrate AI capabilities into the marketplace through clean, native product interfaces.
  • Develop scalable systems for intelligent matching, document understanding, and agentic workflows.
  • Operate the full product loop, including problem framing, data, evaluation, iteration, deployment, monitoring, and continuous improvement.

Requirements

  • Experience shipping and owning production AI systems end to end using LLMs and/or classic ML, with real users, measurable outcomes, and operational responsibility.
  • Strong software engineering fundamentals and excellent Python skills.
  • Experience integrating foundation models in production.
  • Track record of taking ambiguous problems from concept to production and delivering measurable impact.
  • Strong product sense and ability to translate business needs into technical solutions.
  • 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, including 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/TypeScript and background in NLP, information retrieval, or recommendation systems.

Benefits

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