Open Source Engineer - Python

B
BraintrustAI Observability
RemoteFull-Time
SalaryCompetitive salary and equity
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Job Details

Required Skills
PythonCI/CDLLM

Requirements

  • Deep expertise in Python and knowledge of building fast, idiomatic, and reliable libraries.
  • Proficiency with SDK development tooling including testing frameworks, profilers, CI/CD pipelines, and packaging systems.
  • Deep commitment to developer experience, including API design, documentation, error handling, and backward compatibility.
  • Experience wrapping, patching, or extending existing frameworks and SDKs.
  • Experience maintaining or contributing to production-grade open-source libraries used across multiple environments.
  • Customer-obsessed mindset with a focus on solving real-world developer problems.

Responsibilities

  • Build elegant, idiomatic, and resilient SDKs that power Braintrust’s LLM evaluation and AI observability platform.
  • Ensure our libraries are easy to use, efficient to run, and a delight to work with, prioritizing developer experience and performance.
  • Integrate with major AI providers, frameworks, and platforms our customers rely on, such as OpenAI, Anthropic, and Gemini.
  • Build tools and automation to improve testing, profiling and simplify release workflows.
  • Collaborate closely with backend, platform, and product teams to ensure a cohesive and polished developer experience.
  • Be a great community ambassador: talk with our users, understand their issues, help them get their fixes merged and have deep empathy for our users.
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Competitive salary and equity
Apply Now