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Ai engineer

London
Temporary
Lorien Resourcing
Ai engineer
Posted: 23 December
Offer description

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 (., 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:

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

Required Skills & Experience:

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

Desirable:

9. Doc processing (OCR, chunking), vector DBs (OpenSearch/pgvector).
10. 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.

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