Senior Performance Test Analyst – Sydney (Hybrid) | Contract Chance
About the Company
Our client is a leading technology organisation delivering large-scale solutions across complex and highly regulated environments.
They support critical transformation programs involving modern applications, distributed systems, APIs, and high-volume transaction platforms.
About the End Client
You will be working within a major financial services environment, supporting the quality and performance of business-critical card payment and financial transaction systems.
Role Overview
We are seeking an experienced Card Payments Test Analyst with strong knowledge of the card payments domain and payment transaction lifecycle.
The successful candidate will be responsible for testing applications that process card payments and financial transactions, including validating financial messages, APIs, database records, and end-to-end transaction flows.
In addition to functional testing, the position requires experience executing performance tests, analysing results, identifying system bottlenecks, and producing clear performance testing reports and recommendations.
Key Responsibilities
Plan, design, and execute testing across card payment and financial transaction systems
Validate end-to-end payment transaction flows across integrated applications
Interpret and validate financial messages throughout the transaction lifecycle
Confirm that financial transactions are processed accurately across applications and downstream systems
Test APIs and integrations within distributed system environments
Perform SQL queries and database validations to confirm transaction accuracy and data integrity
Develop and maintain functional, integration, system, regression, and performance test scenarios
Execute performance tests using LoadRunner or equivalent performance testing tools
Monitor test execution and analyse performance results, response times, throughput, and system behaviour
Identify performance trends, constraints, bottlenecks, and potential system issues




Prepare performance test reports documenting results, observations, risks, and recommendations
Record, manage, and retest defects through to resolution
Work closely with developers, business analysts, product teams, and other technical stakeholders
Contribute to test planning, test estimation, risk management, and quality assurance activities
Ensure testing aligns with project requirements, quality standards, and delivery timelines
Required Skills & Experience
Strong understanding of the card payments domain
Good knowledge of the payment transaction lifecycle
Experience testing applications involving payment processing or financial transaction systems
Strong understanding of financial transactions and transaction processing
Ability to interpret and validate financial message structures
Experience validating message content, transaction status, and end-to-end processing outcomes
Hands-on experience testing APIs and distributed systems
Strong SQL skills and experience performing database and backend validations
Experience developing and executing detailed test cases and test scenarios
Understanding of integration, system, regression, and end-to-end testing
Strong analytical and problem-solving skills
Ability to investigate defects across multiple applications and integrated systems
Clear written and verbal communication skills
Experience working collaboratively within multidisciplinary delivery teams
Performance Testing Experience
Good understanding of performance testing concepts, methodologies, and testing approaches
Experience executing performance tests using LoadRunner or an equivalent tool
Ability to analyse performance test results and identify trends, bottlenecks, constraints, and system issues
Experience reviewing system performance against expected response times and transaction volumes
Ability to clearly document performance test results, findings, and observations
Experience preparing professional performance testing reports
Ability to provide practical recommendations based on performance testing outcomes
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📌 Senior Performance Test Analyst (Sydney)
🏢 Whizdom
📍 Sydney