Principal AI Engineer

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London / £120000 - £145000 annum

INFO

Salary
SALARY:

£120000 - £145000

Location

LOCATION

London

Job Type
JOB TYPE

Permanent

Principal AI Engineer
London | Hybrid | Up to £145,000 plus benefits

If you are a hands‑on AI expert who enjoys leading engagements, shaping technical strategy and working directly with enterprise stakeholders, this role gives you the opportunity to operate at a senior level without moving into line management. You will guide squads, own technical quality, and deliver complex, production‑grade AI systems that make a tangible impact for clients.

The Company

They are a specialist Data and AI consultancy delivering high‑complexity, production AI solutions for enterprise organisations. Their work spans financial services, energy, healthcare and life sciences, with an emphasis on solving meaningful problems through deep technical expertise. The culture values curiosity, technical rigour and genuine collaboration, with strong investment in learning and development to keep engineers at the forefront of modern AI.

The Role

* Lead technical delivery across AI and LLM‑based projects for enterprise clients.
* Shape architecture, solution direction and engineering standards for squads of up to seven engineers.
* Work hands‑on across APIs, pipelines, orchestration and production systems to ensure robust, reliable delivery.
* Partner with stakeholders to define problem statements, guide discovery and translate business needs into technical solutions.
* Act as the technical authority throughout engagements, ensuring quality and performance across the full lifecycle.
* Operate hybrid from the Liverpool Street office with occasional client visits.
* This role has no line management responsibilities.

Your Skills and Experience

* Strong commercial experience delivering AI or LLM systems into production.
* Proven consultancy experience working directly with clients in a technical capacity.
* Deep hands-on expertise in Python or another production programming language.
* Skilled in designing scalable architectures, APIs and orchestration workflows.
* Confident engaging with stakeholders at all levels, providing clarity on technical decisions.
* Comfortable balancing hands-on engineering with technical leadership.
* Eligible to work in the UK without sponsorship.


What They Offer

* Up to £145,000 base salary.
* Hybrid working with 2 to 3 days per week in London.
* Dedicated learning and development budget.
* Regular engineering forums and knowledge‑sharing sessions.
* The opportunity to lead high‑impact, technically complex AI engagements across multiple industries.
* A clear path to deepen subject‑matter expertise without moving into people management.

How to Apply
Please apply with your CV to be considered for this Principal AI Engineer position.

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