Senior API Platform Engineer (Software Specialist)

Senior API Platform Engineer (Software Specialist) Software Specialist - API Platform Help keep critical integration platforms secure, reliable and ready for what's next Thousands of interactions happen across ASB every day, and behind many of them sits a platform that keeps systems connected, services available and information flowing where it needs to go. We're looking for a Software Specialist to join our Core Integration squad, helping support and evolve the API platforms that underpin key services across the bank. This role is ideal for someone who enjoys being close to the technology they own. You'll work across platform engineering, automation, operational support and software development, helping ensure critical services remain secure, stable and performing at their best. About the Team The Core Integration squad is responsible for the platforms and services that enable systems across ASB to communicate reliably and securely. Working in a collaborative environment, the team balances platform ownership, operational excellence and continuous improvement. The work is varied, covering everything from platform support and vulnerability remediation through to automation, observability and software development. About the Role This role focuses primarily on ASB's API platform while supporting middleware and BizTalk services where required. You'll contribute across the full platform lifecycle, including API development, platform operations, CI/CD, automation, observability, server management and production support. You'll help improve the reliability and maintainability of critical services while contributing to ongoing platform enhancements. This is a hands-on role suited to someone who enjoys solving technical problems, improving operational efficiency and taking ownership of the platforms they support. Key Responsibilities Develop and maintain APIs using C# and .NET technologies Build and enhance CI/CD pipelines and deployment automation Create automation solutions using PowerShell and related tooling Develop and maintain observability dashboards and monitoring solutions Support server administration, patching and vulnerability remediation activities Investigate and resolve production issues across the API platform Improve platform reliability, performance and operational efficiency Support middleware and BizTalk services where required Contribute to platform upgrades, enhancements and maintenance activities Participate in an on-call support roster once fully established in the role About You You're a hands-on engineer who enjoys working across both development and operations. You like understanding how platforms work, identifying opportunities for improvement and using automation to reduce manual effort. You'll bring strong troubleshooting skills, a practical mindset and a genuine interest in building reliable services. You're comfortable working independently, collaborating with others and taking ownership of technical outcomes. Key Skills & Experience Core Requirements Strong experience with C# and modern .NET development Experience developing and supporting API-based solutions Proven DevOps experience including CI/CD pipelines and deployment automation Strong PowerShell scripting capability Experience working with Azure DevOps, GitHub or similar source control platforms Experience supporting production systems and operational environments Experience creating or maintaining monitoring and observability solutions Strong troubleshooting and problem-solving skills Nice to Have Experience with BizTalk Experience with middleware technologies Exposure to React, Angular or similar front-end frameworks Exposure to Node.js Windows Server and IIS administration experience Working for ASB Hybrid and flexible working options Professional development and learning opportunities Banking benefits and staff banking offers Health, wellbeing and employee assistance support Generous parental leave and family-focused benefits A supportive and inclusive culture where people can thrive Opportunities to work with experienced engineers across critical banking platforms To serve a diverse community, we need a diverse organisation. We encourage applicants from allbackgrounds who bring unique perspectives and thinking styles that add to the culture andperformance of our team. #J-18808-Ljbffr