Senior AI Engineer – NLP, Finetuning and Multimodal

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London / £100000 - £120000 annum

INFO

Salary

SALARY:

£100000 - £120000

Location

LOCATION

London

Job Type
JOB TYPE

Permanent

Senior AI Engineer - NLP, Finetuning and Multimodal
London, hybrid working (3 days in office), Up to £120,000 plus benefits

If you are excited by the idea of shaping how generative AI is applied to high-quality, real-world products, this role offers the chance to do exactly that. You will join a newly formed AI Lab where experimentation is encouraged, quality matters, and your work will have clear visibility and impact from day one.

The Company
They are a well-established, global organisation operating at the intersection of content, technology, and insight. With a strong reputation for quality and trust, they are investing heavily in generative AI as a core capability. The business operates at international scale and is now building new AI-driven products designed to influence how audiences engage with complex information.

The Role
  • Build, fine-tune, and deploy LLM-powered systems used in customer-facing products
  • Develop models that capture and reproduce a distinct editorial tone and style
  • Design and evaluate retrieval-augmented generation pipelines using structured content
  • Support experimentation in real-time generation, personalisation, and multimodal use cases, including audio
  • Work closely with product, engineering, and editorial stakeholders to translate ideas into working solutions
  • Contribute to a fast-moving, experimental environment where iteration and learning are central
Your Skills & Experience
  • Strong hands-on experience working with large language models and NLP systems
  • Practical experience fine-tuning models using techniques such as supervised fine-tuning or prompt tuning
  • Strong Python capability and familiarity with modern LLM tooling and frameworks
  • Experience building or working with RAG pipelines and model evaluation approaches
  • Confident communicator, comfortable collaborating with non-technical stakeholders
  • A curious, exploratory mindset with a strong focus on output quality and real-world impact
What They Offer
  • Salary up to £120,000 plus a strong benefits package
  • The opportunity to work on a flagship AI initiative with senior visibility
  • A high-impact role in a small, dedicated AI Lab with genuine influence over technical direction
  • Hybrid working with a central London office and a collaborative team culture
How to Apply
Apply now to discuss how this Senior AI Engineer role could be the next step in your AI and generative technology career.

CONTACT

Sarah Heywood-Jones

Recruitment Executive

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