Senior Data Scientist - Credit & Behaviour Modelling This is a hands-on Senior Data Scientist role within a product-led fintech building consumer credit and payment products at scale. The role sits close to core product, credit, and portfolio decisions - not as a side analytics function. You'll own credit and behavioural models end-to-end: from data exploration and modelling through to production deployment, monitoring, and real portfolio impact. Salary: Up to $200k Super Location: Sydney or Melbourne (hybrid / remote supported) What You'll Be Doing Build, extend, and maintain credit and behavioural models used in production Own loan portfolio performance, including monitoring drift, stability, and outcomes Perform exploratory analysis and clear data visualisation for decision-making Partner closely with engineering to productionise models into a TypeScript-led backend Coach and mentor engineers and data scientists on data, modelling, and ML practices Technology Environment AWS (Airflow / MWAA) Python for analysis and modelling JavaScript / TypeScript in the product layer SQL for analytical workflows Optional but valuable: S3, Glue, Athena, IAM, SageMaker How This Role Actually Operates Reports directly to the CTO Small, high-trust team with real autonomy Data Science split across Melbourne, with CTO and core engineering in Sydney Models are expected to run in production, be monitored, and influence decisions Send me your CV, let's talk about it.