Platform Engineer - Build and CI

About the role

We are looking for a Software Engineer to own the build system and CI infrastructure that every engineer at Humanoid depends on every day. This is foundational work: a slow, unreliable, or opaque build pipeline is a tax on the entire engineering organisation, and getting it right directly determines how fast we can ship robots. We are investing heavily in build infrastructure - hermetic, incremental, fully cached builds across a complex multi-target monorepo spanning firmware, robot software, simulation, and cloud - and we need someone to drive that work and own the system it produces. This is a deeply technical infrastructure role. You will work closely with every engineering team in the organisation, and the quality of your work will be felt by every person who opens a PR.

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

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

Benefits

Additional Information

Here at Humanoid, we believe in a future where robots amplify human potential. That's why we've set out on a mission to build the world's most capable, commercially-scalable, and safe humanoid robots. We're bringing that mission to life with HMND‑01 Alpha - our rapidly developed humanoid platform now running in real industrial pilots - and we're growing the team to take it even further.

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