Senior Performance Test Analyst – Sydney (Hybrid) | Contract Opportunity 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 explicit 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

📌 Performance Test Analyst (Sydney)
🏢 Whizdom
📍 Sydney