dunnhumby - Senior Research Data Scientist

• Expertise in transformer architectures (e.g., BERT, GPT, T5, Time‑Series Transformers). • Strong hands-on experience with modern deep learning frameworks (PyTorch preferred). • Solid grounding in machine learning fundamentals and statistical modelling. • Familiarity with distributed training and GPU acceleration. • A track record of delivering impactful models in production or research settings. • Ability to take ambiguous research ideas and shape them into structured investigations or prototypes. • Curiosity and a learning mindset — tracking state-of-the-art advancements and evaluating their relevance. • Strong data manipulation and engineering skills (e.g., PySpark, SQL, cloud-based data tooling). • Strong communication skills, capable of explaining complex ideas to technical and non-technical audiences. • Collaborative approach to working with ML engineers, product managers, academic partners, and leadership stakeholders. • A passion for turning cutting‑edge modelling ideas into practical business impact. • A mindset that blends scientific curiosity with real-world pragmatism. • Enthusiasm for shaping the next generation of AI capabilities at dunnhumby, both through hands-on modelling and strategic influence. • Experience in retail, CPG, recommendations, or customer behaviour modelling. • Engagement with academic research (publications, workshops, industry collaborations). • Familiarity with vector databases, embeddings, and retrieval techniques. • Experience Working on large datasets (efficient loading, batching, and streaming) and related tooling (PySpark preferred). • What you can expect from us • We won’t just meet your expectations. We’ll defy them. So you’ll enjoy the comprehensive rewards package you’d expect from a leading technology company. But also, a degree of personal flexibility you might not expect.  Plus, thoughtful perks, like flexible working hours and your birthday off. • You’ll also benefit from an investment in cutting-edge technology that reflects our global ambition. But with a nimble, small-business feel that gives you the freedom to play, experiment and learn. • And we don’t just talk about diversity and inclusion. We live it every day – with thriving networks including dh Gender Equality Network, dh Proud, dh Family, dh One, dh Enabled and dh Thrive as the living proof.  We want everyone to have the opportunity to shine and perform at your best throughout our recruitment process. Please let us know how we can make this process work best for you. • Our approach to Flexible Working • At dunnhumby, we value and respect difference and are committed to building an inclusive culture by creating an environment where you can balance a successful career with your commitments and interests outside of work. • We believe that you will do your best at work if you have a work / life balance. Some roles lend themselves to flexible options more than others, so if this is important to you please raise this with your recruiter, as we are open to discussing agile working opportunities during the hiring process. • For further information about how we collect and use your personal information please see our Privacy Notice which can be found (here) • (here)