AI Engineer (LLM & Agentic Systems) - Digital Agency
Location: Oxford Circus, London (Hybrid)
Up to £50,000 salary + benefits
A Global Digital Agency is looking for an AI Engineer to join their team, focused on building and deploying practical AI solutions for a range of high-profile clients. They have had a steady stream of small builds and POC/Prototype AI projects over the last year so are looking for an additional AI Engineer to join 1 other Engineer already in place.
The Role
This is a hands-on engineering position where you’ll design and implement AI systems, working with LLMs to create scalable, reliable, and brand-safe applications.
Key Responsibilities
* Design agentic workflows and prompt strategies
* Build RAG systems using client data
* Optimise AI performance (latency, token usage, accuracy)
* Develop and deploy AI services using Python
* Evaluate outputs against quality and safety standards
Required Skills & Experience
* Strong Python and software engineering background
* Experience with LLM APIs and orchestration
* Ability to deliver production-ready AI features
What’s on Offer
* Salary up to £50,000
* 25 days holiday plus bank holidays
* Private medical insurance, pension, and life assurance
* Enhanced parental leave
* Training and development opportunities
Working Pattern
Hybrid working with 3 days in the office (Tuesday–Thursday) and remote working on Mondays and Fridays, with flexibility where needed.
Sponsorship is not available for this role so please only apply if you have UK RTW.
If you have experience working in a Digital Agency or External client facing Consultancy as an AI Engineer please email with the subject \"Agency AI Engineer\" for faster review.