Senior AI Engineer
- Hiring Organisation
- Harnham - Data & Analytics Recruitment
- Location
- London, South East England, United Kingdom
- Employment Type
- Full-Time
- Salary
- £90,000 - £120,000 per annum
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 ...