Braintrust Data jobs

Open Source Engineer role focused on building production-grade Go SDKs for Braintrust's AI observability platform. Responsibilities include designing idiomatic libraries, integrating with AI providers (OpenAI, Anthropic), managing SDK lifecycle, and developer community support. Remote flexibility across Seattle, NYC, or other locations.

Braintrust is hiring engineers to build open-source SDKs that power its AI observability and evaluation platform, used by companies like Notion, Stripe, and Vercel. You'll own the full SDK lifecycle—design, implementation, testing, documentation, and community support—creating idiomatic libraries that integrate with major AI providers and frameworks while prioritizing developer experience and performance. Required experience includes deep expertise in Python, proficiency with SDK tooling (testing, profilers, CI/CD, packaging), and a track record maintaining or contributing to production-grade open-source libraries; familiarity with observability tools like OpenTelemetry or experience in the LLM/AI ecosystem is a bonus. The role emphasizes customer obsession, clean API design, and working closely with backend and product teams—you'll also be a community ambassador helping users and getting fixes merged. Braintrust offers competitive salary, equity, medical/dental/vision insurance, flexible time off, and an AI stipend. The position is ideal for developers passionate about SDK craftsmanship and who want their work embedded in thousands of production applications.

Braintrust, an AI observability platform used by Notion, Stripe, and Vercel, is hiring a Cloud Infrastructure Engineer to build and scale reliable infrastructure for both their internal operations and customer self-hosted deployments. You'll own Terraform modules, CI/CD pipelines, Kubernetes management, and multi-cloud infrastructure (AWS, Azure, GCP), while also supporting customers directly with deployment and troubleshooting. The role requires 5+ years in DevOps/SRE/Infrastructure Engineering, deep Terraform expertise, strong Kubernetes experience, and proficiency in Python, TypeScript, or Go, plus a track record supporting production systems and responding to incidents. The company offers competitive salary and equity, medical/dental/vision insurance, and flexible time off from their San Francisco base. A standout aspect of this role is the dual responsibility for both internal infrastructure and direct customer support—you'll need comfort working hands-on with customers in Slack to troubleshoot and scale their self-hosted deployments.

Braintrust is hiring a design engineer to build the core user experience of their AI observability platform, which helps engineers at companies like Notion and Stripe run experiments and analyze AI behavior in production. You'll own the full product lifecycle—from gathering requirements through design and implementation—across UI, APIs, and SDKs, working closely with power-user engineers and PMs to understand their needs and shape the roadmap. The ideal candidate has experience designing zero-to-one B2B products with complex requirements, is comfortable building and familiar with modern devtools, and thrives owning end-to-end problems in loosely-defined environments. You'll also help establish a design system to enable rapid iteration and partner closely with product and engineering teams. Braintrust offers competitive salary, equity, and benefits including medical/dental/vision, flexible time off, and an AI stipend. This role emphasizes shipping fast and learning on the job—you should be willing to pick up whatever skills you're missing to move projects forward.

Braintrust is hiring a Software Engineer, Systems to build high-performance data processing and querying systems for their AI observability platform. The role focuses on storage, indexing, query execution, and the btql query language optimization to handle massive volumes of unstructured data at enterprise scale. Requires expert-level systems programming (C++/Rust), databases, concurrency, and OS knowledge. Roles are in San Francisco, Seattle, or New York City (on-site based on posting language), not remote.