AI Engineer - Huxley

AI Engineer - Huxley

Full-Time On-site
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AI Engineer

London (Hybrid, 1 Day per Week Onsite)

Are you ready to help build the future of AI from the ground up?

Our client isn't buying off-the-shelf solutions or stitching together existing products. They're building a proprietary AI platform from first principles, creating intelligent systems capable of reasoning, planning, and acting autonomously across complex business environments.

We're looking for a highly skilled AI Engineer to join a growing London-based team and play a key role in designing and developing cutting-edge agentic AI systems that will power the next generation of enterprise automation.

What You'll Be Doing

  • Designing and developing agentic AI systems capable of autonomous decision-making and task execution.
  • Building sophisticated LLM-powered applications, orchestration frameworks, memory architectures, and tool-use capabilities.
  • Developing custom AI workflows using large language models, retrieval systems, and multi-agent architectures.
  • Collaborating closely with product and engineering teams to embed AI into real-world business processes.
  • Contributing to the architecture and evolution of a proprietary AI platform in a truly greenfield environment.
  • Evaluating emerging AI technologies and helping shape technical direction and best practices.

What We're Looking For

  • Commercial experience designing and building AI, machine learning, or generative AI applications.
  • Strong Python engineering skills and experience developing production-grade software.
  • Hands‑on experience with technologies such as Azure OpenAI, Azure AI Services, and Azure Machine Learning.
  • Knowledge of modern AI frameworks including LangChain, Hugging Face, PyTorch, or similar technologies.
  • Deep understanding of LLMs, RAG architectures, vector databases, prompt engineering, agentic AI, and multi‑agent systems.
  • Experience deploying, monitoring, and optimising AI solutions in production environments.
  • A builder's mindset with a passion for solving complex technical challenges from first principles.
  • Ability to commute to a London office once per week.

Desirable Experience

  • AI orchestration and workflow frameworks.
  • Knowledge graph or semantic search technologies.
  • Model fine‑tuning and evaluation.
  • MLOps, CI/CD, containerisation, and cloud‑native deployment practices.
  • Experience developing autonomous agents and reasoning systems.

Why Join?

  • Join a high‑calibre team building a genuinely differentiated AI platform.
  • Work on some of the most challenging and innovative problems in modern AI.
  • Influence architecture, product direction, and technical strategy from an early stage.
  • Enjoy significant ownership, autonomy, and creative freedom.
  • Competitive salary, equity participation, and comprehensive benefits.
  • Hybrid working with a collaborative London‑based team.

Huxley, a trading division of SThree Partnership LLP is acting as an Employment Business in relation to this vacancy | Registered office | 8 Bishopsgate, London, EC2N 4BQ, United Kingdom | Partnership Number | OC387148 England and Wales

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AI Engineer - Huxley employer: eFinancialCareers

As a leading global asset manager based in London, we pride ourselves on fostering a dynamic and inclusive work culture that values innovation and collaboration. Our employees benefit from comprehensive professional development opportunities, competitive compensation packages, and the chance to work with cutting-edge AI tools that enhance their skills and productivity. Join us to be part of a team that not only drives success but also prioritises employee well-being and growth in a vibrant city.

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Contact Details:

eFinancialCareers Recruitment Team