Artificial Intelligence Engineer

This range is provided by Harnham. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Direct message the job poster from Harnham.

A private‑equity‑backed consumer services business is scaling its Data Science & AI capability as part of a multi‑year transformation. Following an award‑winning data programme, the company now has an established AI function and is investing further in LLM‑powered assistants, RAG pipelines, voice/chat intelligence and early agentic workflows across both customer‑facing and internal products.

This Senior AI Engineer role is a hands‑on individual contributor position, sitting between Data Science and AI Engineering. You will lead AI proof‑of‑concepts, design retrieval and context strategies, contribute to the AI architecture, and ensure solutions are robust, scalable and commercially grounded. The role spans the full AI lifecycle, from data preparation and model evaluation through to deployment and optimisation.

• Lead development of LLM and AI proof‑of‑concepts
• Design and implement RAG pipelines and agentic workflows
• Define evaluation frameworks for LLM quality and response accuracy
• Partner with product and engineering on chat flows and continuous improvement
• Contribute to AI platform architecture and best practices
• Mentor junior ML/AI engineers (no formal line management)

Working model:
Hybrid, 3 days per week (Tuesday & Wednesday fixed)

Visa:
This role cannot sponsor

Interested? Please apply below.

• Mid‑Senior level

• Full‑time

• Engineering and Research
• Software Development