LEAD AI ENGINEER

LIVERPOOL

2 DAYS ON-SITE

INSIDE IR35

A hands-on, innovation-driven role focused on rapidly prototyping advanced AI systems using LLMs, autonomous agents, and semantic search. The engineer will work across the full stack-from prompt engineering and memory management to UI and cloud deployment-using tools like LangChain, CrewAI, and vector databases.

Core Responsibilities

Build and iterate on LLM/agent-based prototypes (e.g., copilots, chatbots, A2A agents).
Implement multi-step reasoning, memory modules, and RAG pipelines.
Use frameworks like LangChain, LangGraph, CrewAI, and tools like Pinecone, FAISS.
Optimize performance and ensure responsible AI practices.
Deploy via cloud platforms (AWS Bedrock, Azure AI, Google Vertex).
Build UIs (Streamlit, Gradio, React) and integrate APIs and databases.

Preferred Skills

Experience with multi-agent systems and ethical AI.
Familiarity with advanced model configuration and reusable AI components.

Job Title: Lead AI Engineer

Location: Liverpool, UK

Job Type: Contract

Trading as TEKsystems. Allegis Group Limited, Maxis 2, Western Road, Bracknell, RG12 1RT, United Kingdom. No Allegis Group Limited operates as an Employment Business and Employment Agency as set out in the Conduct of Employment Agencies and Employment Businesses Regulations 2003. TEKsystems is a company within the Allegis Group network of companies (collectively referred to as "Allegis Group"). Aerotek, Aston Carter, EASi, Talentis Solutions, TEKsystems, Stamford Consultants and The Stamford Group are Allegis Group brands. If you apply, your personal data will be processed as described in the Allegis Group Online Privacy Notice available at

To access our Online Privacy Notice, which explains what information we may collect, use, share, and store about you, and describes your rights and choices about this, please go to

We are part of a global network of companies and as a result, the personal data you provide will be shared within Allegis Group and transferred and processed outside the UK, Switzerland and European Economic Area subject to the protections described in the Allegis Group Online Privacy Notice. We store personal data in the UK, EEA, Switzerland and the USA. If you would like to exercise your privacy rights, please visit the "Contacting Us" section of our Online Privacy Notice at for details on how to contact us. To protect your privacy and security, we may take steps to verify your identity, such as a password and user ID if there is an account associated with your request, or identifying information such as your address or date of birth, before proceeding with your request. If you are resident in the UK, EEA or Switzerland, we will process any access request you make in accordance with our commitments under the UK Data Protection Act, EU-U.S. Privacy Shield or the Swiss-U.S. Privacy Shield.

TEKsystems, Inc.

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