Manual Tester

COSMOTE GLOBAL SOLUTIONS NV

Luxembourg Remote contract

Posted: March 6, 2026

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Quick Summary

The manual tester will be responsible for developing and executing test plans, test cases, and manual test scenarios for mobile and web applications, as well as supporting defect identification.

Required Skills

Manual Testing Agile Methodologies QA Processes Defect Management Jira XRay SQL

Job Description

COSMOTE Global Solutions, as a member of OTE Group of Companies, is an ICT Systems Integrator delivering a broad range of ICT Solutions and Services.

CGS provides a wide array of ICT Services focusing on Cloud, Data Centre operations, Networking, Cybersecurity, BI and Data Warehouse, Big Data, Service Desk, Proactive Monitoring, Operations and Support, Service Management, Project and Programme Management, and Professional Services.

Responsibilities:

• Develop and execute test plans and test cases for mobile and web applications
• Execute manual test scenarios and support defect identification and resolution
• Conduct performance and load testing to ensure system stability
• Collaborate with developers and stakeholders to identify, track and resolve defects
• Maintain and enhance the test suite to cover new and evolving features

Requirements:
• Familiarity with Agile testing methodologies
• Strong understanding of QA processes and defect lifecycle management
• Experience with Jira and XRay
• Knowledge of SQL

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