Software Engineer, SDK

The role

You will build open-source SDKs that power Braintrust's LLM evaluation and AI observability platform. You will own the full SDK lifecycle including design, implementation, release, documentation, and community support.

What you will do

• Build elegant, idiomatic, and resilient SDKs.
• Ensure libraries are easy to use, efficient, and prioritize developer experience.
• Integrate with major AI providers, frameworks, and platforms.
• Build tools and automation for testing, profiling, and release workflows.
• Collaborate with backend, platform, and product teams.
• Act as a community ambassador by talking with users and helping merge fixes.

Required qualifications

• Deep expertise in either Javascript, Python, or Go.
• Proficient with tooling such as testing frameworks, profilers, CI/CD pipelines, and packaging systems.
• Experience maintaining or contributing to production-grade open-source libraries.

Nice to have

• Contributed to popular open source projects
• Led SDK adoption at your organization
• Familiar with tracing and observability tools like OpenTelemetry
• Worked on tools in the LLM/AI ecosystem

Benefits

• Medical, dental, and vision insurance
• Daily lunch, snacks, and beverages
• Flexible time off
• Competitive salary and equity
• Wifi & cellphone stipend

About the company

Braintrust is the agent observability platform. It provides visibility to understand how agents behave in production and tools to improve them.