Open Source Engineer Go
Braintrust is an active AI observability platform for teams building and operating production AI agents.
Funding history
About Braintrust
Braintrust provides tracing, evaluation, experimentation, and pattern-discovery tooling for AI agents. Teams can inspect agent traces, evaluate outputs with automated or human scoring, build datasets from production behavior, and gate releases against quality regressions.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
You will own the SDK lifecycle, including design, implementation, release, documentation, and community support. You will build Go libraries for LLM evaluation and AI observability, integrate AI providers and frameworks, improve testing and release automation, collaborate with engineering partners, and help users resolve issues.
Requirements
- Expertise in Go
- Experience building fast, idiomatic, and reliable libraries
- Knowledge of testing frameworks, profilers, CI/CD pipelines, and packaging systems
- Knowledge of API design, documentation, error handling, and backward compatibility
- Ability to wrap, patch, or extend frameworks and SDKs
- Experience maintaining or contributing to production-grade open-source libraries
Responsibilities
- Build idiomatic and resilient SDKs for LLM evaluation and AI observability
- Improve library usability, efficiency, developer experience, and performance
- Integrate AI providers, frameworks, and platforms
- Build testing, profiling, and release-workflow automation
- Collaborate with backend, platform, and product teams
- Support users and help them get fixes merged
Benefits
- Medical, dental, and vision insurance
- Daily lunch, snacks, and beverages
- Flexible time off
- Equity
- WiFi and cellphone stipend