Braintrust
Software Engineer, Developer Experience
About this role
Braintrust seeks a Developer Experience Engineer to own the internal tools that power their engineering team—from CI/CD pipelines to local development environments. You'll eliminate friction in the build, test, and deploy workflows while hardening supply chain security, directly multiplying productivity across the entire organization.
What you'll do
- Reduce CI runtime through parallelization, caching, test optimization, and flake elimination
- Manage the deploy pipeline with progressive rollouts, fast rollbacks, and production monitoring
- Maintain and optimize the build toolchain including bundlers, compilers, and monorepo tools
- Implement supply chain security measures: SBOMs, artifact signing, GitHub Actions hardening, and build provenance
- Build CLIs, GitHub Apps, and automation bots to improve developer workflows
- Partner with engineering team to identify and remove operational friction
What they're looking for
- 5+ years in developer tools, CI/CD, or platform infrastructure
- GitHub expertise (Actions, Apps, APIs, merge queues, branch protections)
- JavaScript/TypeScript build tools (esbuild, swc, Vite, Turbopack, pnpm, tsc)
- Performance profiling and optimization across the stack
- Supply chain security (SBOMs, Sigstore, cosign, SLSA, GitHub Actions)
- Production deployment best practices
- Ability to transform slow workflows into fast, reliable processes
- Full-stack profiling and measurement skills
Benefits
- Medical, dental, and vision insurance
- Daily lunch, snacks, and beverages
- Flexible time off
- Competitive salary and equity
- Wifi and cellphone stipend
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Braintrust
Braintrust builds an AI observability platform that helps developers evaluate, monitor, and troubleshoot AI applications in production. The company is hiring Developer Support Engineers, Solutions Engineers, Data Engineers, Cloud Infrastructure Engineers, and Python engineers to support customer implementations, maintain SDKs and infrastructure, and drive the platform's technical growth.
- Website
- braintrust.com
Likely interview questions
- Tell us about a time you significantly reduced CI runtime or build times. What was slow, what did you measure, and what was the impact?
- Describe your experience with GitHub Actions. How have you used them to improve developer workflow, and what security considerations do you think are critical?