Data Scientist (LLMs)

Direct message the job poster from ConnexAI

Location: Manchester, UK (Hybrid – 3 days in the office)

Build the Future of AI-Powered Communication

We’re looking for a Data Scientist to join our growing LLM team, building production-ready large language models that power real enterprise applications. You’ll help train models, create datasets, and push performance boundaries in a fast-moving, research-driven environment.

• 
  
• Train and fine-tune LLMs and ML models using standardised experiments and high-quality data.
  
• Build and improve LLM-based systems for low-latency RAG systems, intent detection, call scoring, and email classification.
  
• Support real-time inference infrastructure with ultra-low latency and detailed monitoring.
  
• Create and maintain evaluation datasets to test safety, prompt following, and conversational quality.
  
• Collaborate with engineers and researchers to apply new ideas from the latest LLM and ML research.
  

• 
  
• MSc or PhD in Computer Science, Data Science, Mathematics, Physics, or a related field.
  
• Curiosity, rigour, and drive to improve model performance.
  

• 
  
• Work on real applied LLMs from training to deployment.
  
• Collaborate with an ambitious, research-informed team.
  
• Shape the next generation of AI-driven communication tools.