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HarperHarperSan Francisco, CA

Senior Member of Technical Staff, Developer Experience

Build and own the developer-experience stack (CI, dev environments, eval frameworks, PR automation) that keeps Harper's engineers and AI coding agents shipping 5-10x faster.

176k – 253k
On-siteDeveloper Relations

About the role

What You'll Do

  • Cut CI build times — monorepo tuning, incremental builds, remote caching
  • Own dev environment reliability — local/staging/CI parity; boot a working env in <5 minutes
  • Quarantine flaky tests — detection, isolation, dashboard; flaky tests get fixed or quarantined, never silently retried
  • Wire the eval stack into CI — pre-merge gates, offline experiments, production trace monitoring
  • Ship PR preflight automation — robot summary every PR opens with: services touched, tests run, missing tests, migrations, critical-path warnings
  • Build internal developer-platform pieces — service templates, scaffold generators, doc indexers, internal CLI commands

Requirements

  • 3–6 years software engineering experience
  • Developer platform / CI/CD / build infra / dev-environment experience
  • Production eval-framework integration into CI (at least one)
  • Strong written communication
  • Based in San Francisco or willing to relocate

Nice to Have

  • Built devcontainers or comparable cloud dev environments
  • Custom lint-rule authoring
  • Open-source contribution to a developer-tools project

Skills

CI/CDMonorepo Build SystemsDev ContainersEval FrameworksIncremental BuildsRemote CachingFlaky Test DetectionPr AutomationDeveloper ToolingLint Rules

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