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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Test Engineer backend - **Company:** Nederlandse Loterij - **Location:** Rijswijk, Netherlands - **Experience:** Experienced - **Salary:** €4,400.0 - €6,000.0 - **Contract:** Permanent contract - **Skills:** Testing (Software), Application Programming Interfaces (APIs), Automation of Tests, Batch Processing, Information Systems, Databases, Continuous Integration, DevOps, JSON, PostgreSQL, Regression Testing, Selenium, ReadyAPI, Backend, Gitlab, Software Version Control, Api Management, Jenkins, Microservices - **Published:** August 10, 2026 - **Apply:** https://www.nationalevacaturebank.nl/vacature/07b6a988-9186-4cd0-8647-b58d97e680eb/test-engineer-backend ## About the Role Besides your technical expertise, you're a team player who enjoys collaborating with others and contributing to a positive working environment. You communicate openly, take ownership of your work, and aren't afraid to speak up when you believe something can be improved. You're curious, eager to learn and continuously looking for ways to improve yourself, the team and the quality of the product. You value collaboration, appreciate different perspectives and enjoy working in an international team where everyone's contribution is equally important. Most importantly, you're someone who likes solving challenges together and making a real impact. Your experience: + 4 to 8 years of experience as a medior tester, with a strong focus on API and backend testing. + Experience with (REST) API testing (JSON) + Experience with test frameworks (preferably ReadyAPI, Selenium) + Experience with test automation in a CI/CD environment (Jenkins or similar) + Experience with databases (PostgreSQL or similar) + Experience with version control (GitLab or similar) + Strong knowledge of the software testing lifecycle (SQA), test design and automation + Excellent command of English-both spoken and written Bonus points: + Experience with batch processes, asynchronous flows, and/or payment or subscription domains + Experience with microservices architecture. In your capacity as Test Engineer we offer you ## Description As a Test Engineer, you are responsible for ensuring the quality of the Subscriptions and Payments domain. You will test complex backend processes and API integrations within a modern microservices architecture. You don't just test what already exists, you help build something better. You dive into logs and data, and actively contribute ideas for improving our applications. You'll join the Subscriptions & Payments team, where quality, collaboration and continuous improvement go hand in hand. Together with Developers, DevOps and your fellow Test Engineer, you'll help deliver reliable solutions that support all Nederlandse Loterij brands. Because our domain serves multiple departments across the organisation, you'll work with a wide range of stakeholders and contribute to products that make a real impact. We believe everyone has an equal voice within the team. Whether you're a Tester, Developer or DevOps Engineer, your ideas and expertise are valued. We encourage you to challenge assumptions, share improvements and help us build better software together. Thanks to your efforts, existing and new information systems are tested for desired functionalities. In this way, you directly contribute to a happy, healthy and sporty Netherlands. As a Test Engineer you score by: + Review specifications and translate them into manual and automated test cases + Expand and maintain test automation within a CI/CD pipeline + Test and validate batch and time-dependent processes + Maintain and extend regression test suite + Report on test results, analyze findings, and advise on improvements + Collaborate in an international, agile team environment and actively contribute to team growth. ## Related Videos - [WeAreDevelopers LIVE - Modern DevOps for IoT Devices and More](https://www.wearedevelopers.com/videos/1805-wearedevelopers-live-modern-devops-for-iot-devices-and-more) - [Continuous testing - run automated tests for every change!](https://www.wearedevelopers.com/videos/190-continuous-testing-run-automated-tests-for-every-change) - [Tips and Tricks for Working with JSON](https://www.wearedevelopers.com/videos/1229-tips-and-tricks-for-working-with-json) - [From DevOps to Scaled DevOps: How We’re Rebuilding Continuous Delivery as a Platform](https://www.wearedevelopers.com/videos/100018-from-devops-to-scaled-devops-how-we-re-rebuilding-continuous-delivery-as-a-platform) - [Enabling automated 1-click customer deployments with built-in quality and security](https://www.wearedevelopers.com/videos/83-enabling-automated-1-click-customer-deployments-with-built-in-quality-and-security) - [Testing .NET applications a Tool box for every developer](https://www.wearedevelopers.com/videos/704-testing-net-applications-a-tool-box-for-every-developer) ## Related Articles - [Software Developer Salary in The Netherlands [2023]](https://www.wearedevelopers.com/magazine/217-software-developer-salary-in-the-netherlands-2023) - [Best Companies in the Netherlands: Top 25 Companies in 2023 ](https://www.wearedevelopers.com/magazine/193-best-companies-in-the-netherlands-top-25-companies-in-2023) - [The Netherlands – Europe’s powerhouse for software development?](https://www.wearedevelopers.com/magazine/31-the-netherlands-europe-s-powerhouse-for-software-development) - [How to Find Tech Jobs in Amsterdam](https://www.wearedevelopers.com/magazine/279-how-to-find-tech-jobs-in-amsterdam) - [How to land a developer job in Amsterdam](https://www.wearedevelopers.com/magazine/36-how-to-land-a-developer-job-in-amsterdam) - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools)