Senior AI Engineer
£90,000 - £120,000
London (3 days a week in office)
This is an exciting opportunity to join a newly established AI innovation team at a globally recognised organisation. You will help shape the future of AI-powered products, working on cutting-edge generative AI applications that move rapidly from concept to production. The role offers significant visibility, real impact, and the chance to influence how AI is used at scale.
THE COMPANY
They are a well-established international organisation with a strong reputation for delivering trusted products and services to a global audience. Operating across multiple markets, they are investing heavily in AI innovation and building a dedicated team focused on exploring the next generation of intelligent products. Their environment combines technical excellence, experimentation, and a commitment to responsible AI development.
THE ROLE
As a Senior AI Engineer you will join a high-impact AI team focused on developing and deploying advanced generative AI solutions.
Specifically, you can expect to be involved in the following:
Building and deploying LLM-powered applications from prototype through to production
Fine-tuning large language models for specific use cases and content requirements
Designing, curating, and managing datasets for model training and evaluation
Developing and optimising Retrieval-Augmented Generation (RAG) pipelines
Creating evaluation frameworks and quality metrics for AI model performance
Implementing human-in-the-loop feedback systems to improve outputs
Supporting AI-driven features such as summarisation, personalisation, and real-time content generation
Exploring speech and audio technologies, including text-to-speech solutions
Collaborating closely with product, engineering, and design teams to deliver innovative AI experiences
Contributing to experiments involving multimodal AI across text, image, and audio
SKILLS AND EXPERIENCE
The successful Senior AI Engineer will have the following skills and experience:
Strong commercial experience building LLM or NLP-based systems
Hands-on experience with platforms such as OpenAI, Claude, Gemini, Cohere, Mistral, or Hugging Face
Expertise in fine-tuning techniques, including supervised fine-tuning and prompt optimisation
Strong understanding of RLHF, RLAIF, and preference modelling approaches
Advanced Python development skills
Experience with tools and frameworks such as LangChain and Hugging Face Transformers
Familiarity with data tooling including Pandas, DVC, and Weights & Biases
Experience evaluating model performance using both quantitative and qualitative metrics
Knowledge of speech technologies, including speech-to-text and text-to-speech solutions
Strong communication and stakeholder management skills
Comfortable working in a fast-paced, experimental environment

BENEFITS

The successful Senior AI Engineer will receive the following benefits:
Salary between £90,000 - £120,000 - depending on experience
HOW TO APPLY
Please register your interest by sending your resume to Majid Latif via the Apply link on this page.