AI Engineer — Production LLMs & Generative AI

Harrington Starr; Greater London; Hybrid; GBP 60,000 - 90,000; Full time

Job summary

Harrington Starr partners with a leading AI-focused organisation in London to design and deliver production AI applications using cutting-edge LLMs.

You will work end-to-end from concept to deployment, collaborating with users and the engineering team to ship robust, scalable solutions.

Candidates should have strong Python skills, experience with LLMs, RAG, prompt engineering and model evaluation, plus a solid ML foundation.

Qualifications

• Commercial experience building AI applications with LLMs.

Responsibilities

• Build and deploy production-grade AI applications using modern LLMs.

Skills

LLM applications

Python programming

RAG

Prompt engineering

Model evaluation

Fine-tuning

ML fundamentals

Cloud platforms

Engineering best practices

Education

Bachelor's in Computer Science or Mathematics or equivalent

Job description

Harrington Starr partners with a leading AI-focused organisation in London to design and deliver production AI applications using cutting-edge LLMs.

You will work end-to-end from concept to deployment, collaborating with users and the engineering team to ship robust, scalable solutions.

Candidates should have strong Python skills, experience with LLMs, RAG, prompt engineering and model evaluation, plus a solid ML foundation.