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Performance Test Specialist - 19569

ITSenior
Urgent
Gothenburg, SwedenFull-time · On-site Posted 18 September 2026 Expires 24 September 2026
Languages: SwedishMin. experience: 5 years

Sam Agassi

HR Administrator

sam@veritaz.se

Required Skills

System IntegrationAPI testingPerformance Testing

Job Overview

Assignment Description

We are looking for a Senior Test Developer / Performance Test Engineer to support integration and end-to-end testing in a complex enterprise environment in Göteborg.

The role focuses on performance testing, integration testing, test data management and API mocking/stubbing. You will work across development, architecture, infrastructure, business and multiple test teams.

Strong technical skills in Java, SQL, TypeScript, LoadRunner Enterprise/JMeter and integration technologies such as WSO2, ION API and Kafka are required.

What You Will Work On

  • Perform performance testing of system integrations and E2E flows
  • Performance test ERP integrations with third-party systems
  • Ensure suitable and applicable test data is available in test environments
  • Create and manage test data based on documentation and reference data
  • Mock and stub unavailable systems and integrations
  • Develop mocks based on API documentation
  • Work with test data in XML, CSV and EDIFACT
  • Document and version-control test solutions and results
  • Collaborate with business teams, developers, architects and infrastructure specialists
  • Work closely with suppliers and multiple test teams
  • Support large-scale integration and transformation initiatives

What You Bring

  • 8+ years of relevant experience
  • Strong experience with performance testing
  • Experience performance testing ERP integrations and third-party integrations
  • Experience with integration technologies such as:WSO2
  • ION API
  • Kafka

Experience mocking/stubbing systems based on API documentation

Strong experience with test data management

Experience creating test data using:

  • XML
  • CSV
  • EDIFACT

Good knowledge of Java

Good knowledge of SQL

Good knowledge of TypeScript

Strong experience with LoadRunner Enterprise and/or JMeter

Strong documentation and version-control practices

Fluent Swedish

Interested? Please share your updated CV at cv@veritaz.se to proceed further.

Interested in this position?

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