ashby
Data Scientist
Chattermill Analytics Limited
GBR
Full-time
Mid
Hybrid
Discovered 2 days ago
PyTorchLoRALLM
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PyTorchLoRALLM
Full Job Posting
Data Scientist
🌍 UK (Remote or Hybrid, it’s up to you!)
💰 Dependent on experience
📈 Be part of our success with the opportunity to join our company equity scheme
🦸♀️ The Role 🦸♀️
Our mission is to help large successful brands like Uber, Amazon, Wise, HelloFresh (and more!) put their customers at the centre of everything they do. Using best-in-class tech in a fast-developing AI space, our Customer Experience Intelligence platform continuously analyses explicit and implicit feedback to enable our clients to identify what they should do next.
We're hiring a Data Scientist to join the team and help build and ship the next generation of that stack.
👉 What you'll be doing:
Unlike many companies, we use our own custom models, specialised for customer feedback, across various parts of the stack: extraction, retrieval, reranking, summarisation, and sentiment analysis. We are also pragmatic and understand that the right solution can be a combination of off-the-shelf LLMs, bespoke fine-tuned models, and sometimes techniques that utilise no LLM at all. This means you will:
Train, evaluate, and iterate on ML models for customer feedback tasks, contributing to our custom fine-tuning pipelines and running experiments with rigour and clear documentation.
Build and maintain LLM-powered features including retrieval pipelines, reranking systems, and insight generation — with support and guidance from senior team members.
Contribute to evaluation frameworks: help build test sets, define metrics, and assess model quality across classification, extraction, and generative tasks.
Work on semantic search and retrieval, developing a strong working understanding of embedding-based approaches and the methods that go beyond them.
Write clean, well-tested code and collaborate with Engineering on model integration, data pipelines, and monitoring.
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