GoodFit.io

• Be part of a small team, working in a fully remote-first environment, spanning Europe and UK • Take ownership of the design, implementation and release of features with guidance from senior team members • Build and maintain data processing pipelines and backend services using TypeScript, Node.js and AWS • Collaborate closely with product and engineering to understand business problems and translate them into technical solutions • Participate in code reviews, architecture discussions and help improve engineering practices

• Design and develop ML models (e.g., classification, ranking, scoring) that power customer-facing features • Use SQL and Python (pandas, scikit-learn) to analyse product data and identify opportunities • Rapidly prototype new AI/ML-driven product ideas in collaboration with Product and Design • Define hypotheses, evaluate model performance, and iterate quickly • Collaborate with Engineering to productionise validated models • Improve automation, personalisation, and predictive capabilities within the product • Ensure models are measurable, interpretable, and aligned with user value • Assess and validate internal and external data sources used in ML features • Evaluate signal quality, bias, completeness, and reliability • Define metrics and checks to ensure data is fit for customer-facing use • Move from ambiguous problem → prototype → shipped feature with strong ownership