Senior Engineer - Informatica

This role sits within the Customer & Engineering unit, delivering customer servicing, credit assessment, and product originations technology via online and staff‑facing channels. In addition to maintaining group‑critical applications, you will help drive the adoption of AI‑driven, agentic development across Informatica Intelligent Data Management Cloud (IDMC) pipelines and python services —automating coding, testing, documentation, and change delivery while meeting the bank’s regulatory and security obligations.

Your key responsibilities include:

• Design, develop, and support data integration solutions using Informatica IDMC (Cloud Data Integration, Cloud Application Integration, Data Quality, Metadata).


• Build and maintain robust ETL/ELT pipelines across on‑prem, hybrid, and cloud environments.


• Act as a subject‑matter expert for Informatica and IDMC, defining standards, patterns, and best practices.


• Partner with architects and stakeholders to support cloud migration and modernisation initiatives.


• Engineer for non‑functional excellence: reliability, security, performance, observability, and operability.


• Ensure that agreed standards and processes within Westpac are adhered to ensure fulfilment of regulatory obligations.


• Apply an AI‑first approach to automate coding, testing, data mappings, orchestration, and documentation.