AI Engineer

AI Engineer – RAG Experience essential

London – 3 days onsite

Certain Advantage are recruiting on behalf of our globally renowned client for an AI Engineer in London.

This is a hands-on engineering role with a strong research and development element and will focus on a small number of high-priority opportunities at any one time. You’ll work closely with business users to understand the problem, test new approaches and build solutions that have a credible path to production.

Successful candidates will offer a combination of AI engineering capability with an understanding of how a commodities trading businesses operate across the front, middle and back office.

Key Responsibilities

• Design and build advanced AI solutions, including agentic AI, RAG, GraphRAG, knowledge graphs and semantic layers.
• Explore emerging technologies and rapidly test where they could create business value.
• Build prototypes and experiments with production scalability, maintainability and integration in mind.
• Work closely with business stakeholders to understand workflows, decisions, data and operational challenges.
• Develop and integrate AI solutions using APIs, GraphQL, enterprise data platforms and related technologies.
• Contribute to the technical strategy and architecture for AI-enabled solutions across T&S.
• Support evaluation, monitoring, guardrails and responsible deployment of AI capabilities.

Skills & Experience

• Strong hands-on experience in AI engineering and software development.
• Experience building with LLMs, agents, RAG and modern AI frameworks.
• Strong understanding of knowledge graphs, large-scale graph technologies, GraphQL and semantic modelling.
• Experience taking experimental technologies beyond prototypes towards scalable production solutions.
• Good understanding of APIs, cloud platforms and enterprise integration.
• Some understanding of data engineering, data pipelines and data architecture.
• Experience working in Trading, Supply, commodities, energy trading, financial markets, supply chain or a similarly complex commercial environment.
• Practical understanding of at least one area of a trading organisation, whether front office, middle office or back office, and the processes, data and decisions that support it.
• Ability to combine technical delivery with strategic thinking and business problem solving.
• Strong communication skills and confidence working directly with business stakeholders.

Does this sound like your next career move? Apply today!

Working with Certain Advantage

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