Software Engineer, SDK
Braintrust1 month ago
Responsibilities
- Build elegant, idiomatic, resilient SDKs for Braintrust’s LLM evaluation and AI observability platform.
- Own the full SDK lifecycle, including design, implementation, release, documentation, and community support.
- Integrate with AI providers, frameworks, and platforms such as OpenAI, Anthropic, and Gemini.
- Build automation to improve testing, profiling, and release workflows.
- Collaborate with backend, platform, and product teams on a cohesive developer experience.
- Support users, understand their issues, and help fixes get merged.
Requirements
- Deep expertise in JavaScript, Python, or Go and the ability to build fast, idiomatic, reliable libraries.
- Proficiency with tooling for robust SDKs, including testing frameworks, profilers, CI/CD pipelines, and packaging systems.
- Strong focus on developer experience, clean APIs, documentation, error handling, and backward compatibility.
- Experience wrapping, patching, or extending frameworks and SDKs to add observability and control without disrupting developer workflows.
- Experience maintaining or contributing to production-grade open-source libraries used across multiple environments.
- Customer focus and empathy for developers.
- Preferred qualifications include contributions to popular open-source projects, leading SDK adoption, familiarity with OpenTelemetry and tracing or observability tools, and experience with LLM/AI ecosystem tools.
Benefits
- Medical, dental, and vision insurance.
- Daily lunch, snacks, and beverages.
- Flexible time off.
- Competitive salary and equity.
- Wi-Fi and cellphone stipend.
Tech Stack
Categories
About Braintrust
Braintrust builds an AI observability and evaluation platform for teams deploying LLM-powered applications. It unifies evals and production monitoring to compare models, test prompts, catch regressions, and turn real usage data into better releases; it can be self-hosted or used as a managed service. Customers include Notion, Stripe, Zapier, Vercel, and Ramp, and the software is sold by subscription to engineering and data teams.