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Principal Software Engineer / Principal AI Engineer

Elsevier
onsite
London Wall, London, England Posted Jul 8, 2026

About this role

About the Role As a Principal AI Engineer/ Principal Software Engineer, you will be the technical lead for an embedded Innovation Squad, owning technical execution from discovery through to production. You will assess and harden existing AI prototypes, deliver new ones, and establish the agentic AI patterns, orchestration, tool use, memory, and retrieval that other squads reuse. You are the senior source of expertise on AI architecture, integration, and delivery. What You'll Do

  • Own technical execution from discovery to production; build, assess, and harden prototypes and proofs of concept, and deliver new ones.
  • Design and govern reusable agentic AI patterns (orchestration, tool use, memory, retrieval).
  • Ensure delivery meets architecture, security and data-governance standards; recommend infrastructure, hosting and data residency.

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