Senior Data Scientist (GenAI)

TL;DR

Senior Data Scientist (GenAI): Building and optimizing Generative AI solutions for enterprise applications with an accent on RAG, conversational agents, and LLM evaluation frameworks. Focus on designing experiments, developing scalable AI models, and collaborating across engineering and product teams to drive business value.

Location: Hybrid role based in the UK (Osterley or Livingston)

Company

hirify.global is a major media and telecommunications company providing content and services across broadband, streaming, and mobile platforms.

What you will do

• Translate complex business challenges into structured data science problems with measurable success metrics.
• Design and develop generative AI solutions including RAG, conversational agents, and synthetic content.
• Conduct experiments to validate AI/ML approaches, focusing on LLM evaluation and statistical significance.
• Implement scalable AI solutions using proprietary data assets.
• Collaborate with engineering, product, and commercial stakeholders throughout the model lifecycle.
• Ensure AI solutions are robust, compliant, and performant.

Requirements

• Advanced degree (MSc or PhD) in a quantitative field or equivalent experience.
• Hands-on experience developing solutions with LLMs in an enterprise environment.
• Expertise in applied ML using Python and frameworks like PyTorch or scikit-learn.
• Experience with vector databases and retrieval methods.
• Experience designing evaluation frameworks for generative systems.
• Strong communication skills with a commercial mindset.

Culture & Benefits

• Hybrid work model with flexible office/home balance.
• Generous pension package and private healthcare.
• Exclusive rates on hirify.global products including hirify.global Q and hirify.global Glass.
• Discounted mobile and broadband services.
• On-site facilities including multiple restaurants, subsidized gym, and cinema (at key campuses).
• Access to hirify.global VIP rewards and experiences.