Lead AI Engineer: Architect Production‑Grade LLM Solutions

NewDay Ltd

Greater London

On-site

GBP 80,000 - 100,000

Full time

14 days+

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Benefits offered by this job

26 days holiday, rising to 30 with service

Holiday buy scheme (up to 5 extra days)

Double matched pension (up to 14% from NewDay)

Generous annual performance bonuses

Private medical insurance with Bupa

Free breakfast and lunch in the office

Job summary

NewDay Ltd in Greater London is seeking a Lead AI Engineer to own the design and delivery of AI systems across the business. This role emphasizes hands-on development of scalable solutions using LLMs and agentic systems, transforming high-value problems into tools for real workflows.

The ideal candidate will guide technical direction and implementation of production-grade AI solutions, working collaboratively with engineers to ensure robust outcomes that drive measurable business benefits.

Qualifications

Proven track record of owning technical direction and delivery of production-grade AI systems.
Experience designing complex AI systems across multiple use cases.
Deep expertise in generative AI, including orchestration and evaluation.

Responsibilities

Own the technical direction, architecture, and implementation of AI systems end-to-end.
Design and build LLM-powered solutions from concept to production.
Establish engineering standards and reusable components.