Senior AI/Analytics Engineer – CTT

On Site Full TimeSydney, New South Wales, AustraliaWestpac Group

Senior Quantitative AI Analytics Specialist creating and applying quantitative models and analytics for pricing, risk, portfolio and strategic decision making. Leading end to end operationalisation of ML + GenAI analytics and delivering analytics that are reliable, scalable, governed in production.

Requirements

  • Model lifecycle: design → build → validate → release → monitor → retire.
  • Production controls: versioning, reproducibility, audit trails, change management.
  • Deliver analytics that are reliable, scalable, governed in production.
  • Maintain WIB CTT ownership boundary, use cases, artefacts, and outcomes (models, evals, dashboards, decision integrations) for our line of business.
  • Strong modelling depth across classical machine learning used in production decisioning, including forecasting, optimisation, anomaly detection and risk models, with a practical understanding of real‐world trade‐offs.
  • Comfortable partnering with traders/risk, producing decision relevant analytics.
  • Deep GenAI engineering experience, including designing and selecting RAG architectures (hybrid retrieval, re‐ranking, metadata strategies).
  • Building robust evaluation frameworks covering coverage, failure modes, calibration, drift and regression.
  • Implementing safety patterns such as grounding, clear refusal boundaries, deterministic fallbacks and strong auditability.
  • The ability to set technical standards and lead complex quantitative and AI initiatives end to end.
  • A genuine interest in teaching, mentoring and developing junior team members.

Benefits

  • Generous employee-only mortgage rates
  • Flexible work arrangements
  • Culture, Lifestyle and Wellbeing leave
  • Tailored learning and development opportunities

To apply for this job please visit ebuu.fa.ap1.oraclecloud.com.


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