Senior Quality Assurance Engineer

We are convinced that outside is exciting, relaxing, and inspiring. It's versatile, for some it is a place to relax, for others it is the ultimate challenge. A place to enjoy and where big and small moments come together. It's a place to be discovered or recognized. But the outdoors can also be treacherous and unpredictable. Weather and terrain can surprise you. Our mission is to enable all people to spend inspiring and epic moments outside. 

Yonderland is a European group of premium brands and retail concepts focused on outdoors. Including A.S. Adventure, Juttu, Bever, Cotswold, Snow+Rock, Runnersneed and Ayacucho. Yonderland runs over 190 shops in Belgium, Luxembourg, France, Great-Britain and The Netherlands and resides in Belgium.

We are looking for a Senior Quality Engineer to join our team

As our Senior QA Engineer, you will lead the design and execution of automated quality practices, ensuring robust, reliable, and maintainable test coverage across our backend and frontend systems. You will define our automation strategy, optimise CI/CD quality gates, mentor mid-level and junior QA engineers, and partner closely with product and engineering to shift quality left across our distributed engineering organisation in the Netherlands, Belgium, Portugal, and the United Kingdom.

You will

• Take part on Yonderland test automation strategy and framework(s) for APIs, services, and UI. 
• Design and implement stable, scalable, and maintainable automated tests (unit, integration, API, contract, UI, and performance). 
• Integrate automated tests into CI/CD pipelines and enforce quality gates.
•  Collaborate with backend and frontend engineers to ensure testability and observability by design. 
• Identify and eliminate flaky tests, and optimise execution time and reliability. 
• Define and track quality metrics such as test coverage, failure rate, MTTR, and escaped defects. 
• Mentor mid-level and junior QA engineers on automation, tooling, and best practices. 
• Represent QA in architecture and design discussions to ensure quality and risk are considered early. 
• Drive continuous improvement of testing processes, tooling, and test-data management. 

• 5+ years of software testing or QA engineering experience. 
• 2+ years designing and owning test automation frameworks in multi-team environments. 
• Strong scripting and debugging skills (e.g., Python, JavaScript, TypeScript). 
• Deep experience in test automation, including API and UI frameworks and CI/CD integration. 
• Experience with performance, contract, and integration testing alongside API and UI automation. 
• Understanding of REST/GraphQL APIs, backend services, and UI stacks (e.g., React). 
• Experience with cloud platforms and containerised test environments. 
• Proven ability to define and enforce quality gates and quality metrics for delivery teams. 
• Strong collaboration and communication skills with engineering and product. 
• Proficiency in English. 

• A versatile position with pronounced responsibility and variety in a strongly growing and innovative market leader, operating internationally with headquarters in Hoboken (Antwerp) and offices in the Netherlands and the UK.
• The IT organisation is a driving force to support the strong growth and you will help shape it.
• An open corporate culture where you can be yourself.
• A competitive gross monthly salary in proportion to your experience, including the possibility of a company car, supplemented by fringe benefits such as meal vouchers, group and hospitalisation insurance, additional holidays, and staff discount.
• Adventurous colleagues in an international and diverse team.
• The opportunity to participate in our bootcamps (showers available) and various team events twice a week during the lunch break

We welcome applications from everyone, regardless of age, background, gender, sexual orientation, disability, or belief. Your talent is what matters most.