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Gen AI Engineer

London

£700 per day

Interim

Technology

Posted 30 March 2026

Ref BH-231014

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Maison Sawyer

Hi, I'm Maison

I manage this role

Maison Sawyer

Manager

Job description

My client, a leading name in FS, are looking for a Gen AI Engineer with hands-on implementation of Gen AI solutions required on a contract basis for 6 months plus extensions, with 2 days per week in London.  Our client is looking at a pay rate of £700 per day inside IR35.

Role & Responsibilities

Working with business and technology stakeholders and contributing hands-on to the delivery of Gen AI-enabled application development across the EMEA region.

Key Responsibilities
 
  • Hands-on implementation of Gen AI solutions based on approved designs and architectural standards
  • Develop, fine-tune and optimise LLMs and Gen AI models for production use
  • Build, maintain and enhance prompt engineering strategies and retrieval-augmented generation (RAG) pipelines
  • Collaborate with architects, cloud teams and business stakeholders to ensure secure, scalable and robust deployments
  • Conduct unit and integration testing, troubleshoot issues and support smooth releases into production
  • Maintain accurate documentation for code, processes and configurations
  • Monitor, analyse and improve model performance post-deployment
  • Partner with Cloud teams to enable secure and maintainable Gen AI solutions aligned with enterprise architecture standards
  • Monitor the evolving AI landscape and identify relevant applications for the organisation
  • Guide development teams through solution implementation, testing and deployment
  • Provide guidance and mentorship to other team members

Required Skills
 
  • Experience delivering architectural or Gen AI solutions within a multi-entity, multi-regional financial services environment
  • Proven experience working with senior stakeholders across business and technology functions
  • Experience architecting and delivering Gen AI solutions across cloud platforms (Microsoft Azure, AWS, OCI, etc.)
  • Strong expertise in developing Gen AI solutions in Python using frameworks such as LangChain, LangGraph, Microsoft Agents SDK or similar
  • Experience with CI/CD pipelines and MLOps practices for AI solutions
  • Hands-on experience in model development and fine-tuning
  • Deep expertise in prompt engineering and RAG solution design
  • Performance monitoring and optimisation of AI models
  • Experience developing and deploying APIs using API Gateway
  • Familiarity with Azure cloud services for LLM deployments including App Service, Azure Functions and Logic Apps
  • Experience with Azure AI and data services including Azure OpenAI, Azure Cognitive Services, Azure AI Search, Azure Cosmos DB, Azure Data Lake, Microsoft Purview, Power Platform and Microsoft Graph
  • Expertise in LLM integration patterns such as MCP and A2A
  • Experience designing solutions integrating on-premise and cloud systems within regulated environments
  • Experience using GitHub Copilot or similar AI-assisted development tools

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