Software Engineer, Developer Experience

Braintrust

$120K — $160K *
Enterprise Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 5+ years building developer tools, CI/CD, or platform infrastructure
  • Proven ability to improve slow workflows into efficient processes
  • Deep understanding of GitHub features: Actions, Apps, APIs
  • Strong knowledge of JavaScript/TypeScript build tools like esbuild and Vite
  • Experience profiling and optimizing performance across tech stacks
  • Knowledge of supply chain security concepts like SBOMs and GitHub hardening
  • Firm stance on ensuring safe, reliable production deployments

Responsibilities

  • Collaborate with engineering to identify and eliminate friction points
  • Reduce CI runtime through strategies like parallelization and caching
  • Manage the deploy pipeline for progressive rollouts and rapid rollbacks
  • Oversee the build toolchain to maintain fast builds despite codebase growth
  • Enhance supply chain security with secured artifacts and hygiene practices
  • Develop CLIs, GitHub Apps, and bots to streamline engineer workflows

Benefits

  • Medical, dental, and vision insurance
  • Daily lunch, snacks, and beverages
  • Flexible time off
  • Competitive salary and equity
  • Wifi & cellphone stipend
Full Job Description
About the role

We're looking for an Engineer who loves building tools for other engineers. You'll own the systems we touch every day - local dev, CI, and the deploy pipeline - and make shipping to production fast, safe, and reliable. The work compounds across every engineer at the company and is very important to our whole team

What you'll do
  • Work directly with the engineering team to find friction and remove it - help them be nimble, happy and productive
  • Drive CI runtime down: parallelization, caching, sharding, test selection, and killing flakes
  • Own the deploy pipeline: progressive rollouts, fast rollbacks, and clear signals when something is wrong
  • Own the our build toolchain - bundlers, compilers, monorepo tooling - and keep cold builds and rebuilds fast as the codebase and archictecture grows
  • Harden our supply chain: SBOMs, signed artifacts, locked-down GitHub Actions, secret hygiene, and provenance for every build
  • Build CLIs, GitHub Apps, and bots that make the right thing the easy thing
Ideal candidate credentials
  • 5+ years building developer tools, CI/CD, or platform infrastructure
  • A track record of taking slow, painful workflows and making them fast and pleasant
  • Deep GitHub expertise: Actions, Apps, APIs, merge queues, and branch protections
  • Strong fluency with JavaScript/TypeScript build and bundling tools (esbuild, swc, Vite, Turbopack, tsc, pnpm) and a clear sense of when to reach for which
  • Comfortable profiling and optimizing across the stack - flamegraphs, tracing, and just plain measurement
  • Supply chain security experience: SBOMs, Sigstore/cosign, SLSA, GitHub Actions hardening
  • Strong opinions on safe, reliable production deploys
Benefits include
  • Medical, dental, and vision insurance
  • Daily lunch, snacks, and beverages
  • Flexible time off
  • Competitive salary and equity
  • Wifi & cellphone stipend

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