humanoid - Platform Engineer - Build and CI
Requirements
• Solid experience with build systems - ideally Bazel, but deep knowledge of CMake or similar is fine; the instincts matter more than the specific tool • Experience designing and operating CI pipelines at scale: incremental testing, artifact caching, runner management, and keeping feedback loops short • Strong understanding of hermetic build environments • Comfort debugging complex build failures across multiple languages and toolchains • Experience with dependency management and the tradeoffs between reproducibility, speed, and upstream risk • Good instincts for developer experience • Familiarity with ROS/ROS2 build tooling (colcon, ament, CMake) • Familiarity with Kubernetes: self-hosted runners, ARC • Experience with GitHub Actions at scale • Background in robotics or embedded systems where build artifacts span multiple target architectures and deployment environments
Responsibilities
• Build and maintain CI pipelines in GitHub Actions: incremental test selection based on affected targets, nightly full builds, and clear triage tooling when main goes red • Instrument the build: CI telemetry, dashboards showing build and test times broken down by job type, branch, and author — so we stop flying blind on build health • Define and enforce the policies that keep main green: merge queue configuration, PR gating, and the on-call process when broken builds block other engineers • Own and maintain the remote build cache infrastructure, ensuring cache correctness, invalidation on environment changes, and read-only promotion from main only • Own the developer environment story — local builds, dependency management, and the tooling that lets engineers iterate quickly without fighting their environment • Maintain and evolve the dependency mirroring infrastructure (apt, PyPI, and other upstream registries) so that external package availability never blocks a build
Benefits
• Meaningful time off to rest and recharge: 23 days of annual leave (accrued), 15 days of paid sick leave, and paid company holidays. • Fully funded private healthcare for UK employees, with broad provider access, virtual and in‑person care, and strong mental health and serious illness support. • Equity included–we believe builders should share in what they build. • Pension scheme with a total 8% contribution (5% employee, 3% employer) on full earnings. • Free daily breakfast, catered lunch, and snacks in‑office. • Collaboration with top‑tier engineers, researchers, and product experts in AI and robotics. • Freedom to influence the product and own key initiatives.
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