Brain Co.

AI Platform Engineer, DevX

Brain Co.
Apply
3 months ago

Responsibilities

  • Own the architecture and ongoing health of the Nx-based monorepo, including its project graph, dependency boundaries, language toolchains, and code generation patterns.
  • Make builds and tests fast, reliable, and incremental at scale.
  • Design and operate CI/CD systems with strong correctness, reproducibility, and speed guarantees, including caching, parallelism, secret flow, and release engineering.
  • Build internal CLIs, scaffolding, local development stacks, and code-quality infrastructure.
  • Own developer-facing deployment and environment workflows while partnering with Infrastructure on cloud, Kubernetes, networking, and runtime systems.
  • Operate build, CI, and developer infrastructure with SLOs, observability, and on-call rigor.
  • Identify, instrument, and resolve developer productivity problems with measurable before-and-after outcomes.
  • Own architecture, implementation, rollout, observability, on-call, and iteration based on internal user feedback.

Requirements

  • 5+ years building developer-facing infrastructure such as monorepo platforms, build systems, CI/CD, or internal tooling.
  • Hands-on depth with at least one modern monorepo tool, such as Nx, Bazel, Pants, Buck, or Turborepo.
  • Strong fluency with CI/CD systems at scale, including matrix design, caching, secret flow, and parallelism.
  • Fluency in at least two of Go, Python, TypeScript, Rust, and Bash.
  • Experience shipping developer platforms adopted by engineers and measuring before-and-after improvements in developer friction.
  • Experience owning the full lifecycle of developer platforms, from design and MVP through hardening and adoption.
  • Experience owning developer-facing systems with uptime and operational responsibility; familiarity with observability tooling and incident response.
  • Preferred experience includes remote build caches, custom or hermetic build pipelines, monorepo migrations, DORA or SPACE metrics, release engineering, supply-chain security, artifact management, internal PaaS or development environments, frontend platforms or design systems, open-source developer tooling contributions, and multi-tenant, regulated, or air-gapped deployments.

Benefits

  • Competitive salary plus equity
  • Medical, dental, and vision coverage
  • 401(k)
  • Unlimited PTO
  • Daily lunches
  • Commuter benefits

Tech Stack

BashBazelBuildkiteCircleCIDockerGitHub ActionsGoKubernetesPythonRustTypeScript

Categories

Brain Co.

About Brain Co.

11-50 employees

We're building an AI platform and applications for the world's most important institutions. Learn more at https://brain.co/

Contact me