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# Senior Test Engineer

- **Company:** IT Labs
- **Location:** Utrecht, Netherlands
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Amazon Web Services, Business Logic, Automation of Tests, Microsoft Azure, Cloud Computing, Code Coverage, Continuous Integration, Distributed Systems, Load Testing, Regression Testing, Selenium, Software Quality Assurance (SQA), Software Testing Automation Framework, Data Streaming, System Integration Testing, Systems Integration, Test Data, Web Applications, Performance Testing, Large Language Models, Cypress (Programming Language), Backend, Git, Bug Reporting, Playwright, Front End Software Development, Microservices
- **Published:** September 8, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=075c05c955e5e0cb

## About the Role

* 5-10 years of experience in QA engineering, test automation, or software quality assurance
 * Strong experience designing and implementing automated test strategies for complex web applications and distributed systems
 * Hands-on expertise with test automation frameworks such as Selenium, Playwright, or Cypress
 * Experience testing APIs, frontend interfaces, backend workflows, and end-to-end system integrations
 * Familiarity with performance testing, regression testing, and release validation in enterprise environments
 * Experience validating AI/LLM-driven systems, including prompt behavior, output quality, and response consistency, is strongly preferred
 * Hands-on experience with Git, CI/CD pipelines, defect tracking, and automated test reporting
 * Prior engagement in large-scale enterprise environments and mission-critical systems
 * Candidate must be located in an EU member country
 * Excellent communication skills in English

Nice to Have

 * Experience in fintech or financial services
 * Familiarity with cloud platforms such as AWS or Azure
 * Experience working with test data validation, backend integrations, and microservices-based architectures

## Description

* Design, document, and execute comprehensive automated testing strategies spanning APIs, frontend applications, backend services, and data flows
 * Create and maintain reliable automated test scripts using frameworks such as Selenium, Playwright, or Cypress
 * Develop verification frameworks for validating LLM prompt behaviors, model outputs, response consistency, and hallucination rates
 * Execute system integration testing, regression testing, and performance/load testing ahead of platform releases
 * Validate end-to-end workflows and automated actions against defined business logic, system behavior, and performance SLAs
 * Document detailed bug reports, analyze issues to identify root causes, and collaborate closely with developers on resolution
 * Contribute to quality standards, test coverage practices, release readiness processes, and continuous improvement of QA methodologies
 * Integrate test automation into CI/CD pipelines and support quality assurance across cloud-hosted applications and services


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