Senior Data Scientist - Modelling and Portfolio PerformanceSydney or MelbourneWhat you will enjoy about usYou will enjoy working in a technology-led fintech where modelling sits at the heart of the product - not in a back-office function.You will enjoy owning problems end-to-end. Not just training models, but understanding how they behave in production, how they drift, and how they influence real portfolio performance.You will enjoy being close to decision-making. This role works directly with the CTO and engineering, where ideas move quickly and models ship fast.You will enjoy breadth. Our data science team works across multiple problem types - credit, behavioural modelling, performance analysis and optimisation - not just one narrow ML specialism.You will enjoy impact. When you improve something here, you see it in live metrics.The kind of work you will be doingBuild and refine credit and behavioural modelsRun deep exploratory analysis across complex, messy datasetsMonitor production models and diagnose performance shiftsAnalyse portfolio trends and identify performance leakagePartner closely with engineers to deploy and iterateInfluence commercial and product decisions with structured modelling insightThis is hands-on modelling inside a live product environment.You will enjoy this ifYou prefer product companies over institutional environmentsYou like models that ship and evolve - not models that sit in approval cyclesYou care about statistical rigour and commercial outcomes equallyYou are comfortable working inside engineering sprint cyclesYou have seen real-world model behaviour and learned from itYou likely come from a tech-led fintech, SaaS, scale-up or consulting background where modelling directly influenced product or revenue performance.What we work withAWSAirflowPython for analysisJavaScript and TypeScript in productExperience deploying and monitoring models in production environments will feel natural here.What this role is notIt is not a regulatory modelling function.It is not a slow-cycle corporate risk seat.It is not a pure research or GenAI experimentation role.It is modelling that matters - commercially and immediately - inside a growing technology business.Highly flexible, hybrid working. Melbourne or Sydney based. Salary negotiable to $200k + Super. Australian work rights are essential. Apply with your CV?Skills:<ul><li>Senior Data Scientist</li><li>Fintech</li><li>Credit Modelling</li><li>Portfolio Performance</li><li>Product Analytics</li><li>Predictive Modelling</li><li>Statistical Modelling</li><li>Model Monitoring</li><li>Production ML</li><li>Python</li><li>SQL</li><li>AWS</li></ul>Salary benefits:&nbsp;super

Science & Technology

Annual

Senior Data Scientist - Modelling and Portfolio Performance Sydney or Melbourne
What you will enjoy

Senior Data Scientist

Full time

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Senior Data Scientist