Senior Application Support Engineer

Zeller

Senior Application Support Engineer supporting Zeller’s payment and financial services platform. Troubleshooting complex issues, improving service delivery, and coordinating incident response for Australian businesses.

Posted 8/23/2026full-timeMelbourne • 🇦🇺 AustraliaSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates strong technical expertise in troubleshooting and resolving complex product issues while effectively collaborating with cross-functional teams. Proficient in application monitoring, incident response, and process improvement through automation.

Highest-signal resume keywords

Advanced TroubleshootingActive SQL Skill SetAWS Services FamiliarityRelease Management ToolsetsIncident Response Participation

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

TroubleshootingData AnalysisProcess AutomationDocumentationChange Management

Soft Skills

Excellent CommunicationAttention to DetailAbility to Manage Competing Tasks

Tools & Technologies

DatadogJiraAWSTypeScriptPostgreSQLDynamoDBSentrySegmentSlackZapier

Industry Keywords

Application SupportCustomer-Facing ProductPayments ExperienceIncident Response ProcessesEvent-Driven Architecture

Tech Stack

Tools & technologies

AWSDynamoDBPostgresSQLTypeScript

About the role

Key responsibilities & impact

Act as a primary point of contact for escalated product issues from account management and customer success teams
Serve as a senior member of a small team while remaining principally involved in hands-on service delivery
Own and orchestrate triage, investigation, and resolution of complex technical issues
Drive resolution pace and communicate reliable direction
Deliver projects that improve Application Support service delivery
Collaborate with Development, QA, and Product teams on short- and long-term solutions affecting customer experience
Develop expertise in supported products and workflows and share knowledge with partner teams
Participate in application monitoring using logs, data stores, internal tools, and dashboards
Participate in incident response, including responding to alerts and some on-call responsibilities

Requirements

What you’ll need

Experience in software companies with a customer-facing product is highly valued
Ability to manage multiple, competing tasks and priorities in a fast-moving environment while maintaining attention to detail
Strong technical background with advanced troubleshooting, analysis, and data skills
Familiarity with AWS services or similar
Active SQL skill set
Experience with release management toolsets and service reporting tools such as Datadog or similar
Automation mindset and ability to improve processes using automation tools
Strong documentation and knowledge-sharing skills
Excellent communication skills and ability to build partnerships with engineering, QA, and customer-facing teams
Demonstrated experience participating in change management and incident response processes
Payments experience is highly valued but not required
Familiarity with HubSpot, Jira, browser and mobile applications, payment terminals, AWS, TypeScript, Lambda, PostgreSQL, DynamoDB, event-driven architecture, Datadog, Sentry, Segment/Mixpanel, POS systems, third-party partners, Slack, and Zapier is appreciated but not required

Benefits

Comp & perks

A competitive salary package, including equity
A balanced, progressive, and supportive work environment
Excellent parental leave and other leave entitlements
A fantastic office environment
Endless learning and development opportunities
Plenty of fun and social opportunities
An ability to influence and shape the future of Zeller as the company scales domestically and globally
Being part of one of Australia’s most exciting scale-ups