Senior Software Tester – Web & Mobile Applications

Médiane Benelux; Brussel; On-site; EUR 60,000 - 85,000; Full time

Job summary

Médiane Benelux is seeking a Senior Software Tester to join its internal IT team for a long-term assignment. You will test web and mobile solutions used in railway asset management, ensuring quality, reliability and security compliance.

You will work within Agile teams, define test scenarios, automate tests and collaborate with developers and business stakeholders to deliver robust software. Ideal candidates bring 10+ years in software testing, strong experience with web/mobile testing, API

Qualifications

• 10+ years in software testing for web and mobile
• Strong Agile experience (Scrum/Kanban) and API testing
• Experience with test automation frameworks and backend validation

Responsibilities

• 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

Skills

IT environments

Cross-functional teamwork

Clear communication

Professional mindset

Stakeholder engagement

Long-term delivery

Education

ISTQB Advanced Test Automation Engineer

Tools

Azure DevOps

HP ALM

SQL

Swagger

Postman

Cypress

Robot Framework

HTML

FTP

Windows environments

Android

Job description

Médiane Benelux: Career Booster! Since 2017, and with over 35 years of experience in France and Italy, Médiane Benelux is an engineering company specializing in software, electronics, and cybersecurity across key sectors such as Railways, Automotive, Energy, Medical, Aerospace, Space, Telecoms, Industry, and Defense.

What we offer:

• IT consulting and strategy
• Digital transformation and IoT solutions
• Project management and process optimization

As specialists in electronics, development, and embedded systems design, we operate from sensor to cloud.

Why choose Médiane Benelux?

• Human-sized company: Promotes teamwork and collaboration in a dynamic and stimulating environment
• Sharp technical expertise and tailored solutions for each sector
• Talent support: Personalized follow-up, continuous training, and skill development for our employees
• Custom solutions tailored to the specific needs of each client
• Culture of innovation: Participation in innovative and varied projects
• Ecovadis Gold certification: Commitment to equality, well-being, and responsibility
• Human values: Commitment, Respect, Trust, Listening

Happy at Work and Happy Clients labels by Choose my Company: A fulfilling work environment and optimal client satisfaction

Le poste :

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.

Responsibilities

• 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

Profil recherché :

Experience

• 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