Job description. Data Scientist Location: Belfast (Hybrid) Eligibility: UK work authorisation required A fast-growing tech company in Belfast is looking for an experienced Data Scientist to help solve real business problems using machine learning, statistics, and data at scale. This is a hands-on role where your models won't sit on a shelf - they'll go into production, influence decisions, and drive measurable results. You'll work with a smart, collaborative team who value curiosity, clean thinking, and getting things done. Why join? * Real ownership and influence over what gets built * Production-focused ML work with visible impact * Strong learning culture and room to grow * Hybrid working, great benefits, and flexibility that actually works What you'll be doing: * Turning business questions into data-driven solutions * Building and deploying predictive models * Working closely with engineers and product teams * Explaining insights clearly to technical and non-technical audiences * Helping shape best practices and mentoring others What you'll bring: * 4 years' experience in Data Science * Strong Python or R, plus solid SQL * Experience taking ML models into production * Good grasp of statistics and applied machine learning * A practical mindset and clear communication style Nice to have (not essential): * MSc or PhD in a quantitative subject * Experience with optimisation, experimentation, or marketplaces * Interest in modern ML tooling and best practices Interested? If you want a role where your work genuinely matters and you can help shape how data science is done, get in touch with Justin Donaldson for a confidential chat. Skills: Python SQL LLM Machine Learning R