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Senior Software Engineer, Substrate

United Kingdom, London · Job Posted February 18, 2026
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Job Description

Substrate is the team responsible for Palantir’s core production infrastructure — 100s of K8s clusters — from on-prem to the major cloud hyperscalers, whether they are internet-connected or air-gapped, small hardware footprint or large. As a Senior Software Engineer on Substrate, you will design and build Palantir’s managed Kubernetes product offerings across all these environments.

Job Responsibility

  • Deliver a container runtime to challenging new environment types - new clouds, on premise, edge devices
  • Build automation and establish standards for operating K8s securely at scale with zero manual ops overhead
  • Drive innovation through adoption of novel K8s features and CNCF tools, making upstream contributions as needed
  • Design the next generation of Palantir’s infrastructure through a deep understanding of internal systems and CNCF standards

Requirements

  • 4+ years of professional software development experience on core infrastructure with emphasis on operational excellence
  • 2+ years of experience contributing to the system design or architecture (architecture, design patterns, reliability and scaling) of new and existing systems
  • Bachelor's degree in Computer Science or equivalent

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