Data Scientist - iwocaPay Risk Squad

Job description

Hybrid in London, United Kingdom We're looking for a Data Scientist to join the iwocaPay Risk Squad You'll own credit models that decide who iwocaPay can safely fund and on what terms. The team is small, the product is growing, and you'll shape how risk modelling is built – not just maintain what exists. The company Small businesses move fast. Opportunities often don’t wait, and cash flow pressures can appear overnight. To keep going, and growing, SMEs need finance that’s as flexible and responsive as they are. That's why we built iwoca. Our smart technology, data science and five-star customer service ensures business owners can act with the speed, confidence and control they need, exactly when it's needed. We’ve already cleared the way for 100,000 businesses with more than £4 billion in funding. Our passionate team is driven to help even more SMEs succeed, through access to better finance and other services that make running a business easier. Our ultimate mission is to support one million SMEs in their defining moments, creating lasting impact for the communities and economies they drive. The function iwoca's Data Scientists specialise in supervised machine learning, statistical inference and exploratory data analysis, focusing on tabular and time series data. Our work emphasises quantitative predictions through the analysis of conditional probabilities and expectations, using medium-sized datasets. The team iwocaPay is iwoca's B2B Buy Now Pay Later product. The Risk Squad owns the automated credit decisioning and fraud prevention models that influence every lending decision the product makes. The squad also handles counterparty risk, portfolio-level strategy, and ongoing monitoring of losses, chargebacks, and segment performance. The role You'll co-own the full credit modelling stack with one other data scientist. You’ll collaborate on model design, review each other's work, and choose what to prioritise. Your models directly control which small businesses get access to funding, on what terms, and how far the product can grow. What you'll get out of it: Complex problems to solve Work on interesting, open modelling problems rather than maintenance. Improving how the model performs across segments, test more advanced approaches, and build models from scratch for new products. Real influence You own the models end to end, and your decisions carry commercia…