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AI Harness Engineer

Spain-Barcelona💼 Full-time🗓 2026-08-05 → 2026-09-25

Core

Building agentic systems, RAG, and orchestration patterns within real workflows for life science and diagnostic markets, ensuring governance and quality.

Role type

Senior IC AI Harness Engineer (Agentic Systems)

Builds

Working agentic systems, registered skills, and evaluation sets integrated into domain workflows.

Domain

Life science, diagnostics, and applied market laboratories.

Deliverable

production ML models | product features

Required skills

Full-stack engineering, LLM application experience, agent building, RAG, evaluation, observability, deployment, MCP protocol familiarity, composable system architecture, regulated environment operation.

Preferred skills

High agency, tolerance for ambiguity, ability to influence stakeholders, curiosity about AI, lifelong learning mindset.

Technologies

LLMs, RAG, MCP, A2A, GxP frameworks.

Responsibilities

Design architecture for agent use cases, author minimal and testable skills in the registry, integrate through MCP spine, build quality evals and observability, ensure risk-tier compliance with human-in-the-loop, contribute reusable assets to the platform.

Seniority

Senior, hands-on IC

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