Senior Automation Tester - ERP Integration & Performance Testing

We are looking for an experienced Automation Tester for an assignment within a large-scale ERP transformation program, focused on performance testing, integration validation, and test automation across a modern, scalable logistics and finance platform. You will take on a key role in quality assurance across the program's releases, working operationally to execute performance testing against requirements, configure test environments with test data, and mock out systems within test environments. The role requires strong analytical ability, personal drive, and solid programming and integration skills. Platform: ERP / System Integration Integration tools: WSO2, ION API, Kafka Programming: Java, SQL, TypeScript

• Performance testing of system integrations and E2E flows
• Ensuring test data in test environments is fit for purpose
• Mocking/stubbing out systems and integrations not present in the relevant test environment
• Documentation and version control of developed solutions and results
• Collaboration with business stakeholders, developers, architects, infrastructure specialists, suppliers, and multiple test teams
• Documented experience in performance testing of system solutions and ERP integrations with third parties
• Experience with integration solutions such as WSO2, ION API, Kafka
• Experience mocking out systems and integrations based on API documentation
• Experience managing and generating test data based on documentation or reference data in XML, CSV, and EDIFACT
• Strong knowledge of Java, SQL, and TypeScript
• Strong knowledge of LoadRunner Enterprise or JMeter
• Fluent in Swedish and English, written and spoken

Nice to Have

• Experience working in large-scale transformation or implementation projects
• Join a large-scale ERP transformation initiative for a major client
• Hybrid setup based in Stockholm
• Join inventYOU, an IT staffing and consulting company with a strong presence across Stockholm and Athens, offering long-term engagements and close support throughout your assignment