Senior AI/Agentic Systems Engineer

Masentó is working with a global pharmaceutical company that requires a Senior AI Agentic Systems Engineer to join their team on a 3-6 month contract. This will be outside IR35 and can be based in Poland, Portugal, Spain or UK Key ResponsibilitiesDesign and own the foundational architecture for a multi-agent orchestration systemAccelerate delivery of core agentic infrastructure ahead of a pre-prod milestone by year endGuide integration patterns across multiple platforms and existing programme systemsMentor/direct more junior agent developers on the teamEnsure observability is built into the agent architecture from the outsetExperienceProven, production (not just POC) experience building complex agentic/multi-agent AI systemsStrong AWS expertise, specifically Amazon Bedrock, Bedrock Agent Core, and end-to-end knowledge base implementationsSystems integration experience across multiple platforms/programmesExperience implementing or integrating MCP servers