Job Title: Medior/Senior Automation Tester – Playwright / Java / Selenium

Location: Brussels (Hybrid – 2 days a week)

Type of Role: Contract / Freelance (Multiple Roles available)

Availability: Immediate would be beneficial

Language: Must be fluent in English and (Either Dutch or French)

** PLEASE NOTE – WE ARE UNABLE TO OFFER SPONSORSHIP **

** WE CAN ONLY ACCEPT APPLICANTS WHO CAN COMMIT TO 2 DAYS A WEEK IN BRUSSELS **

About Resillion

Resillion is a general provider of digital assurance, cybersecurity, and testing services. We help organisations strengthen their security posture, protect critical assets, and deliver high-quality digital solutions. Our teams operate across multiple specialist disciplines, including Digital Forensics, Incident Response, SOC Operations, Quality & Compliance, and Technical Consultancy. We are committed to excellence, continuous improvement, and delivering trusted, customer-focused services that meet the highest professional and accreditation standards.

Role Overview

We are looking for an experienced Medior/Senior Automation Tester – Playwright / Java / Selenium to take a role in defining, implementing and continuously improving the test automation approach within a complex public-sector environment.

The successful candidate will combine strong technical expertise in test automation with experience in test strategy, test architecture, requirements clarification, quality reporting, coordination and coaching. The roles require a minimum of 4 years of demonstrable professional experience in software testing and test automation.

Key Responsibilities

- Clarify functional and non-functional requirements in collaboration with analysts, developers and other stakeholders.
- Define and drive the overall test automation strategy.
- Establish the appropriate test automation architecture, tools and frameworks.
- Determine how automated test coverage will be measured, monitored and improved.
- Design, implement, maintain and execute automated tests.




- Document and communicate the results of automated testing activities.
- Prepare structured test plans aligned with the project’s objectives and delivery approach.
- Assess software quality and report findings, risks and recommendations to developers, analysts, team leads, QA representatives and management.
- Support the creation and maintenance of reliable test datasets.
- Test synchronous and asynchronous integrations, including REST APIs and event-based communication.
- Coordinate testing activities and provide guidance and coaching to other testing professionals.
- Take ownership of testing-related decisions and act as a driving force for quality within the team.
- Work effectively within an Agile and Scrum delivery environment.

Required Experience and Competencies

- At least 4 plus years of demonstrable experience in software testing and test automation.
- Proven experience in clarifying functional and non-functional requirements.
- Strong knowledge of software testing methodologies and recognised testing practices.
- Experience defining and leading a test automation strategy.
- Experience designing or contributing to a test automation architecture.
- Experience measuring and reporting automated test coverage.
- Strong test planning and test documentation skills.
- Experience reporting on software quality to both technical and non-technical stakeholders.
- Demonstrable experience coordinating testing activities, coaching colleagues and taking the lead within a testing environment.
- Good understanding of Agile and Scrum methodologies.
- An ISTQB certification or another relevant testing certification is considered an important asset.
- Must be fluent in English and (Either Dutch or French)

Technical Skills

The candidate should have strong practical knowledge of:

- Playwright
- Java
- Selenium
- Gherkin
- Behaviour-Driven Development
- Cucumber or comparable BDD tools
- Xray
- Jira
- Confluence
- JavaScript
- JSON
- XML
- Angular
- HTML
- REST APIs
- Event-based and asynchronous communication
- Relational databases
- SQL
- Test data and test dataset preparation

📌 Medior/senior automation tester – playwright / java / selenium (España)
🏢 Resillion
📍 España