(18 / 10 / 2025) Senior Application Support Engineer

About Zeller

At Zeller, we’re champions for businesses of all sizes, and proud to be a fast-growing Australian scale-up taking on the ambitious goal of reimagining business banking and payments.

We believe in a level playing field, where all businesses benefit from access to smarter payments and financial services solutions that accelerate their cash flow, help them get paid faster, and give them a better understanding of their finances. So we’re hard at work building the tools to make it happen.

Zeller is growing fast, backed by leading VCs, and brings together a global team of passionate payment and tech industry professionals. With an exciting roadmap of innovative new products under development, we are building a high performing team to take on the outdated banking solutions. If you are passionate about innovation, thrive in fast-paced environments, embrace a challenge, hate bureaucracy, and can’t think of anything more exciting than disrupting the status-quo, then read on to learn more.

About the role

The Zeller product engineering team owns the software, infrastructure and customer experience that enables more than 85,000 Australian businesses to accept payments and access the financial services they need to run their businesses.

As a Senior Application Support Engineer you will be a leading member of the team that shapes and owns Zeller’s commitment to excellent and highly available service delivery.

What you’ll be doing

• Deliver projects that improve the service delivery of Zeller’s Application Support team
• We are looking for someone to be a senior member of a small team, but is still principally involved in hands-on service delivery.
• Be a primary point of contact for escalated product issues from Zeller’s account and customer success teams.
• Own and orchestrate the triage, investigation and resolution of complex technical issues driving the pace of resolution and communicating well-thought out and reliable direction.
• Be an expert in the products and workflows you support and promote and share that knowledge to our partner teams.
• Using your technical expertise, participate in application monitoring using logs, data stores, internal tools and dashboards.
• Be a part of our incident response team, responding to alerts and bearing some on-call responsibilities.

What skills and experience we are looking for

The tools Zeller uses to get the work done

Familiarity with these services or close equivalents is appreciated but we do not expect you to have used all of them.