All roles at Westpac Group can be considered for flexible working arrangements, such as flexible hours, working remotely, part time work, or job sharing.Permanent roleSydney Office (Hybrid - twice a week in office)This role is part of UNITE, our business-led, tech-enabled transformation - delivering simplification and benefits for our customers, employees and shareholders. This program is about delivering 'one best way'.How will I help?Collaborate & Innovate: Work with a cross-functional team to deliver high-quality products for the Westpac Digital platform.Code Excellence: Write clean code and build applications following best practices, reusing shared components and open-source projects.API Design: Design REST APIs using Open API Swagger specifications, adhering to REST API design guidelines.Problem Solver: Lead the diagnosis and resolution of complex service issues to ensure effective development, maintenance, and support.Security Focused: Keep code free from vulnerabilities by performing regular npm audits and sonar scans.What do I need?Full Stack Expertise: Proven experience in developing customer-facing enterprise-level desktop and mobile applications.Quality & Performance: Passion for delivering top-notch customer experiences and writing high-performance, reusable, and scalable code.Technical Proficiency: Strong knowledge of .NET technology stack (C#, WCF, MVC, APIs) and front-end languages/libraries (HTML, CSS, React/Redux, NodeJS, jQuery, Knockout).Database & Tools: Experience with relational databases (Microsoft t-SQL), non-relational databases, and common development tools (Git, Bitbucket, Powershell, Sonar).CI/CD & Agile: Familiarity with CI/CD tools (Bamboo, Jenkins) and Agile development methodologies using tools like JIRA and Confluence.Problem Solving & Communication: Excellent debugging, troubleshooting, problem-solving skills, and strong verbal and written communication abilities. Must be a team player.As an equal opportunity employer, we are proud to have created a culture and work environment that values diversity and flexibility - and champions inclusion.Start here. Just click on the APPLY or APPLY NOW button.If you have questions about the recruitment process, please email .