Principal AI Engineer

We’re excited to offer a fantastic opportunity for a Principal AI Engineer to join our Group Data & AI Office (GDO). As our Principal AI Engineer, you’ll be the leading technical authority within the Data & AI Solutions Team. You’ll play a key role in shaping how AI is designed, developed, and deployed across the organisation—ensuring solutions are scalable, secure, responsible, and genuinely useful.

Requirements

• Strong experience designing and delivering AI/ML solutions, including LLMs, deep learning, and wider AI/ML engineering practices.
• Understanding of model evaluation, bias considerations, and explainable AI.
• Experience in building end‐to‐end AI systems—from data pipelines and training to deployment and monitoring.
• Knowledge of multi‐agent AI frameworks and RAG architectures.
• Familiarity with AI orchestration tools (e.g., LangChain, Semantic Kernel) and vector databases (FAISS, Chroma, Pinecone, Weaviate).
• Experience with experiment tracking and model registries (e.g., MLFlow).
• Proficiency with Cloud AI platforms (Azure AI, AWS Bedrock, GCP Vertex AI, Databricks).
• Strong software engineering skills (Python, C#, or similar), with experience in automated testing and Git‐based collaboration.
• Awareness of cloud security, data privacy, responsible AI, and UK regulatory principles.

Benefits

• Generous Paid Time Off
• 401k Matching
• Retirement Plan
• Private Medical Insurance