Software Engineer- Backend
Braintrust is seeking a Backend Software Engineer to build the infrastructure for cutting-edge AI development tools. This role involves scaling ingestion pipelines, evolving open-source libraries, and ensuring system reliability within a real-time, high-availability data platform. The engineer will design and ship features, integrate with major model providers, and develop robust data pipelines.
Braintrust is the AI observability platform. By connecting evals and observability in one workflow, Braintrust gives builders the visibility to understand how AI behaves in production and the tools to improve it.
Teams at Notion, Stripe, Zapier, Vercel, and Ramp use Braintrust to compare models, test prompts, and catch regressions — turning production data into better AI with every release.
We’re looking for a backend engineer who’s excited to build the infrastructure behind cutting-edge AI development tools.
Under the hood, Braintrust is a real-time, high-availability data platform that operates in both SaaS and self-hosted environments. You’ll help scale our ingestion pipelines, evolve our open source libraries, and ensure everything runs reliably, observably, and fast. If you thrive in a fast-paced environment and enjoy solving hard systems problems with a product mindset, we’d love to work with you.
As a backend engineer at Braintrust, you’ll help build the core platform powering LLM-native development:
You will also collaborate closely with our product engineers to ship polished, end-to-end features that solve real problems for our customers, such as:
Posted June 8, 2026