Job Summary: We are seeking a senior QA Tester with a solid technical and functional background to join a telecommunications sector project and collaborate within a multidisciplinary team. Key Highlights: 1. Participate in telecommunications sector projects with outstanding teams. 2. Collaborate in an inclusive environment with opportunities for professional development. 3. Access continuous training and a flexible compensation plan. Madrid QA Tester Choosing Capgemini means choosing the opportunity to shape your professional career as you wish. You will receive support and inspiration from a collaborative community of colleagues worldwide and be able to reinvent what is possible. Join our team and help leading global organizations discover the value of technology and build a more sustainable and inclusive world. About the Role Are you eager to join the team and participate in a telecommunications sector project alongside a team of outstanding professionals? What will you do on the project? * Analyze, understand, and review Java code, as well as perform reverse engineering tasks. * Provide end-to-end functional insight into projects, with the ability to evolve into a reference functional analyst role. * Support functional activities and QA tasks. * Collaborate with multidisciplinary teams and various stakeholders. * Define and develop test plans. * Prepare and deliver quality documentation. * Execute tests, analyze results, and track incidents. Your Profile To thrive in this position, you must be comfortable with: * A senior profile with a strong technical and functional foundation. * Ability to read, understand, and analyze Java code. * Knowledge of LINUX. * Highly desirable: Functional knowledge of HDM and experience in the Telco sector. * Advanced level of English. Our commitment to inclusion and equal opportunities is reflected in our Equality Plan and Code of Ethics, which guarantee professional development for employees and equal opportunities in recruitment within a discrimination-free environment—regardless of ethnicity, nationality, social origin, age, sexual orientation, gender expression, religion, or any other personal, physical, or social circumstance. **What will you love about working here?** We offer a comprehensive set of Development and Work-Life Balance measures, including, among others: * Onboarding support through our Buddies program. * 24 vacation days + 2 personal days + December 24 and 31 + option to purchase up to 7 additional vacation days per year. * Continuous training—you’ll have access to MyLearning and Capgemini University, as well as our Digital Campuses and Professional Communities. You’ll also gain access to platforms such as Coursera, Udemy, Pluralsight, Harvard Manager Mentor, and Education First for language learning (English, French, German, etc.)—and more! * Flexible Compensation Plan (health insurance, transportation, training, meal card or food allowance, childcare, etc.). * FlexAbroad: possibility to work remotely from another country for up to 45 days. **Why Capgemini?** Capgemini is a global leader in transforming and managing clients’ businesses by harnessing the full power of technology. Our purpose is to achieve an inclusive and sustainable future through technology and the energy of those who develop it. We are a responsible and diverse company, an international leader in IT and Engineering services, with over 360,000 professionals across more than 50 countries. With a strong 55-year heritage and extensive industry expertise, clients trust Capgemini to address their full business needs—from strategy and design to operations—powered by the fast-paced and innovative worlds of cloud, data, AI, connectivity, software, platforms, and digital engineering. The Group reported €22 billion in global revenue in 2022. **Rewrite your future. Join the team!** #LI-LL1 Ref. code 402455-es_ES Posted on 10 Feb 2026 Experience level Experienced Professionals Contract type Permanent Location Madrid Business unit ABL Southern Central Europe Brand Capgemini Professional communities Software Engineering