Principal Software Engineer (Senior Architect) - AI Platform

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SentinelOneCybersecurity / AI
Hybrid work in Prague (Karlin), Brno (Clubco) or remote in CZ/SK.Full-TimePrincipal
Salary not disclosed
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Job Details

Experience
12+ years of experience building and operating large-scale distributed systems; 2+ years hands-on experience taking LLM-based systems to production.
Required Skills
AWSPythonGCPKubernetesGoLLMDistributed Systems

Requirements

  • 12+ years of experience building and operating large-scale distributed systems.
  • Several years driving the architecture of platform or infrastructure products used by multiple teams.
  • 2+ years hands-on experience taking LLM-based systems to production.
  • Experience with model integration, routing, retrieval, agent architectures, and evaluation harnesses.
  • Experience with cost, latency, and quality optimization for AI systems.
  • Strong hands-on coding skills in a mainstream backend language such as Python or Go.
  • Deep experience with Kubernetes and cloud infrastructure (AWS and/or GCP).
  • Strong product acumen with experience building customer-facing products.
  • Proven track record as a tech lead of cross-team initiatives with ambiguous requirements.

Responsibilities

  • Define the technical vision and multi-year roadmap for SentinelOne's AI Platform in partnership with engineering leadership.
  • Serve as the tech lead by owning architecture decisions, setting engineering standards, and reviewing critical designs.
  • Support business-critical AI initiatives by translating business strategy into platform capabilities.
  • Partner with product teams to build customer-facing AI experiences hands-on, then platformize those into reusable capabilities.
  • Drive technology selection and build-vs-buy decisions for the platform's core stack.
  • Mentor senior engineers across the organization and act as a recognized expert on AI infrastructure.
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