Fraud prevention is a significant challenge for a platform like Deliveroo and this talk is all about how data science can help. I’ll talk about some of the key fraudulent behaviours we try to tackle and dive into the tricky parts – balancing stringent fraud prevention measures with a seamless user experience and the inherent difficulty in establishing ground truth for fraudulent behaviours.

Over the last decade, Deliveroo has built a culture of running high-quality experiments. This talk reflects on Deliveroo’s experimentation journey, from the initial vision to what we have achieved so far with some key lessons for low-cost democratised experimentation at-scale.

Hiring great data scientists takes more than scanning for technical brilliance. The most impactful hires bring a balance of deep analytical skills, creativity in problem-solving, and the ability to communicate and collaborate effectively. In this talk, Mahana will share the common qualities that set exceptional data scientists apart and why both technical and soft skills are critical to long-term success.