Lead Data Scientist | Cardiff / Remote | Engineering | AI & Data We're supporting a growing technology business looking to hire a Lead Data Scientist to help shape and scale their AI and machine learning capability. This role combines hands-on technical delivery with leadership responsibilities, working closely with Engineering, Product and Operations teams to deliver production-ready ML solutions that drive real business value. You'll lead a team of Data Scientists while remaining heavily involved in modelling, NLP/LLM initiatives and predictive analytics projects. What you'll be doing Leading technical decision making across Data Science Building and deploying ML models into production Driving NLP and LLM initiatives Working closely with Data Engineering and AI teams Coaching and mentoring Data Scientists Improving model governance and ML best practice Tech stack Python, SQL, TensorFlow, PyTorch, AWS/Azure, SageMaker, NLP, LLMs, MLOps What we're looking for Strong commercial Data Science experience Experience leading teams or technical functions Strong cloud and ML deployment knowledge Experience delivering production-grade AI solutions Strong stakeholder communication skills Why Apply? You'll join a collaborative engineering environment working on genuinely impactful AI projects with modern tooling and cloud technologies. This is an opportunity to help shape the future direction of AI capability within a growing business while working on real-world applications of LLMs and predictive analytics.