Platform & Build Infra Engineer — CI/CD & Observability

Fractile is seeking an Infrastructure Platform Engineer to join our London-based software org. You will own end‑to‑end CI infrastructure, scale a multi‑language Bazel monorepo, and build reliable tooling across Python, C++, Rust, and ML workloads.

You’ll work with observability, incident response, and infrastructure automation to enable fast, reliable engineering across the company. The role emphasizes SRE‑driven reliability, on‑call readiness, and building developer tooling used by many