AI Engineer

AI Engineer

Hybrid Working - UK Wide - 2 days a week on site.

Financial Services

Lorien's leading banking client is looking for an additional AI Engineer join the existing team on a expanding project.

This role will be shipping production-grade GenAI features (eg, retrieval-augmented generation, assistants, summarisation) that are safe, reliable, and measurable.

This role is based in a Local office.

This role will be Via Umbrella.

Working in a Hybrid Model of 2 days a week on site.

Key Responsibilities:

• Design and implement GenAI services and endpoints integrated with product flows.
• Build retrieval pipelines (vector stores, chunking, metadata, embeddings).
• Establish evaluation frameworks (quality, safety, bias, latency, cost).
• Production monitoring: hallucination/guardrail incidents, drift, telemetry dashboards

Required Skills & Experience:

• Python for application glue; Fast API for inference/Middleware services.
• LLM integration patterns (prompt engineering, RAG, tool-use/agents, function calling).
• Evaluation & safety: automated prompt/response evals, LLM-as-a-judge, red-teaming, content filters, guardrails.
• LLMOps practices: experiment tracking, prompt/version control, offline/online evals.

Desirable:

• Doc processing (OCR, chunking), vector DBs (OpenSearch/pgvector).
• Experience working within NatWest engineering standards and governance.

IND_PC3

Guidant, Carbon60, Lorien & SRG - The Impellam Group Portfolio are acting as an Employment Business in relation to this vacancy.