Medior/Senior Automation Tester – Playwright / Java / Selenium

About Resillion

Resillion is a global 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.

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 APPLICANT WHO CAN COMMIT TO 2 DAYS A WEEK IN BRUSSELS **

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 role requires at least eight 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 to 8 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.

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