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Freelance Senior AI Engineer

London · Remote

Engineering

ROLE DETAILS

Level: Lead

Start Date: December

Duration: 6 months

Day Rate: Dependent on experience

Weekly hours: 5 days/ week

Location: Hybrid, 2 days a week in London

We're looking for a Senior AI Engineer to help us reimagine a function of government as part of an agentic ecosystem. You'll join a small multidisciplinary team of designers, researchers and engineers, working closely with civil servants and the department's own technical teams.

The work is exploratory. We will learn by building and iterating, leaning on emerging best practices and patterns. We need someone who can build working prototypes quickly, while thinking deeply about the implications of technical decisions.

KEY SKILLS AND EXPERIENCE

MUST HAVES

  • Design and build prototypes that expose services to agents through APIs, MCP servers and agent to agent protocols
  • Design and build agentic systems end to end, including orchestration, tool integrations, and memory and state
  • Build guardrails, evaluations and monitoring to check agents act safely and correctly
  • Work with designers and researchers to test agent-led journeys with real users
  • Advise on technical feasibility, risks and standards, in plain language
  • Turn prototypes into patterns, documentation and code that other government teams can reuse

NICE TO HAVE

  • Substantial software engineering experience, with recent hands-on work building LLM-based applications or agents
  • Strong knowledge of tool use, agent frameworks and orchestration, and protocols such as MCP, and API design
  • Practical experience
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