Data Scientist role at Checkatrade working on AI-driven solutions for the home improvement marketplace. Collaborating with various teams to develop and deploy impactful models.
Responsibilities
Experimenting with LLMs, retrieval-augmented generation (RAG) and other advanced approaches to improve matching, ranking and recommendations
Building, testing and deploying production-ready models – from forecasting and NLP to classification and MMM – that power our core marketplace systems
Working closely with Engineering, Product, Analytics and BI to ensure models are scalable, observable and delivering measurable impact
Embedding AI and data science into everyday workflows so intelligence shapes every customer and trade experience
Helping define how we responsibly experiment, evaluate and ship ethical AI through our internal AI playbook
Requirements
Strong applied experience with SQL, Python, and modern ML frameworks such as PyTorch, TensorFlow and Hugging Face
A proven track record of building and deploying production-grade machine learning models
Comfort moving between rapid experimentation and rigorous model evaluation
A pragmatic mindset – knowing when to fine-tune, when to use off-the-shelf models, and when simple beats complex
Curiosity, creativity and a genuine drive to turn data into tangible, measurable impact
Benefits
Competitive salary + annual bonus
Health, wellbeing and learning support
Flexible, remote-friendly working – with hybrid time in our Barcelona or London office
Lunch vouchers to keep you fuelled while you build
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