AI/ML Engineer
Up to £160,000
King's Cross, London (3 days a week)
This is an opportunity to join a well-funded AI business at a pivotal stage of growth, building production-grade AI systems that solve complex, real-world problems. You'll work on agentic AI, retrieval systems, evaluation frameworks and enterprise-scale LLM applications, with the chance to influence both technology decisions and product direction.
THE COMPANY
They are an ambitious technology business developing an AI-powered platform that helps investment professionals access information, automate complex workflows and make better decisions at scale. Their platform combines proprietary data, external sources and advanced AI capabilities within a secure enterprise environment.
Backed by an established organisation with deep domain expertise and a strong client network, they offer the agility of a startup alongside the stability and resources of a proven business. The engineering team is being built with a strong emphasis on ownership, collaboration and technical excellence.
THE ROLE
As a AI/ML Engineer, you will help design, build and operate the LLM-powered systems at the core of the platform, taking AI products from experimentation to reliable production deployment.
Specifically, you can expect to be involved in the following:
- Building multi-step AI agent workflows using modern orchestration frameworks
- Developing production-scale retrieval augmented generation (RAG) systems
- Creating evaluation frameworks, testing infrastructure and monitoring capabilities for AI applications
- Designing retrieval pipelines including embeddings, vector search, reranking and knowledge retrieval
- Working with graph-based retrieval and data modelling approaches
- Optimising AI systems for accuracy, latency, scalability and cost efficiency
- Integrating leading foundation models into production environments
- Collaborating closely with engineering leadership to shape technical direction
- Mentoring engineers and helping establish best practices for AI development at Lead level
- Contributing across the full software development lifecycle using Python and cloud-based infrastructure
SKILLS AND EXPERIENCE
The successful AI/ML Engineer will have the following skills and experience:
- Strong Python software engineering expertise
- Commercial experience developing and deploying LLM or machine learning systems
- Hands-on experience with LangGraph, LangChain or similar agent orchestration frameworks
- Strong RAG experience, including embeddings, chunking strategies, vector databases and retrieval evaluation
- Understanding of graph-based retrieval approaches or graph data modelling principles
- Experience with evaluation-led AI development, testing frameworks and regression controls
- Regular use of AI-assisted development tools such as Cursor, Claude Code or similar
- Ability to balance model performance, reliability, security and operating costs in production systems
Desirable skills include:
- Qdrant, Weaviate or pgvector
- Neo4j, GraphRAG and Cypher
- MCP server development
- LangSmith, LangFuse or similar observability platforms
- Fine-tuning, embedding model selection or open-weight model deployment
- Experience working with complex document-heavy environments
BENEFITS
The successful AI/ML Engineer will receive the following benefits:
- Salary up to £130,000 - depending on experience
HOW TO APPLY
Please register your interest by sending your resume to Majid Latif via the Apply link on this page.
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