> Markdown version of [/jobs/ext/4662867-senior-software-tester-web-mobile-applications](https://www.wearedevelopers.com/jobs/ext/4662867-senior-software-tester-web-mobile-applications). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Software Tester - Web & Mobile Applications - **Company:** Médiane Benelux - **Location:** Brussel, Belgium - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Testing (Software), HTML, Java (Programming Language), Agile Methodology, Automation of Tests, Microsoft Azure, Mobile Application Software, Scrum Methodology, Role-Based Access Control, Swagger, SQL Databases, Test Management, Scripting, File Transfer Protocol (FTP), Postman, Cypress (Programming Language), Hp Alm, Backend, Integration Tests, Web Technologies, Api Management - **Published:** November 11, 2026 - **Apply:** https://www.adzuna.be/details/5960964238 ## About the Role Minimum 10 years in software testing Strong experience with web and mobile application testing Solid background in Agile (Scrum/Kanban) environments Experience with backend and API testing Technical Skills Azure DevOps (test management) HP ALM (advanced usage) SQL (queries, scripting) API testing (Swagger, Postman) Test automation (Cypress, Robot Framework) Web technologies (HTML, FTP) Windows environments (servers & clients) Mobile testing (Android, hybrid apps) Java environment (JNLP, JRE) Security concepts (SSO, MFA, RBAC, provisioning) Certifications ISTQB Advanced Test Automation Engineer Soft Skills Strong understanding of IT environments and challenges Ability to work in cross-functional teams Clear communication and reporting Professional and structured mindset Strong stakeholder interaction skills Commitment to long-term delivery ## Description We are looking for a Senior Software Tester for a long-term assignment within an internal IT department supporting applications for railway asset management, rolling stock, and infrastructure. The role focuses on testing internally developed web and mobile solutions, ensuring quality, reliability, and compliance with security standards., Test web and mobile applications developed internally Define and execute functional and integration test scenarios Create and maintain test plans and test cases Perform API testing and backend validation Automate tests using modern frameworks Analyze defects and support resolution Collaborate with development and business teams in an Agile setup Ensure quality, performance, and security compliance