Summary: Join Capgemini Engineering as a Big Data Backend Engineer to implement and maintain data collection, structuring, and storage pipelines within a Big Data environment. Highlights: 1. Implement and maintain large-scale data pipelines in a Big Data environment. 2. Utilize strong expertise in Java, Spark, and Spring Framework. 3. Work in a multicultural, inclusive team with career growth opportunities. VNG \- Cais Gaia, Fundão, Lisboa \- Expo Big Data Backend Engineer (Java/Spark) At Capgemini Engineering, the world leader in engineering services, we bring together a global team of engineers, scientists, and architects to help the world’s most innovative companies unleash their potential. From autonomous cars to life\-saving robots, our digital and software technology experts think outside the box as they provide unique R\&D and engineering services across all industries. Join us for a career full of opportunities. Where you can make a difference. Where no two days are the same. YOUR ROLE We are looking for a Big Data Backend with Java and Spark to implement and maintain data collection, data structuring, and storage pipelines, as well as to trigger processing through rules or analytical models within a Big Data environment. These data will be used for network supervision or for offline (batch) analysis. The data flows to be processed are very large, on the order of tens of terabytes per day. The ideal candidate must therefore be comfortable with scalability constraints. YOUR PROFILE * Strong expertise in Java (Expert level) * Solid experience with Spring Framework * Confirmed experience with Spark * Strong backend development experience (preferably within Big Data environments) * Familiarity with the Big Data ecosystem * Experience with Kafka * Experience with Object Storage solutions (S3, MinIO) * Experience working in an Agile environment * Good knowledge of distributed systems and scalability constraints * Professional proficiency in English (B2 minimum) and Fluent in Portuguese * This position it´s Hybrid and available for our offices in Porto, Lisbon and Fundão Nice to have; * Experience with Elasticsearch * Knowledge of Python * Experience with container orchestration (Kubernetes) in production environments * Previous experience in telecom or large\-scale data processing environments * French language skills WHAT YOU’LL LOVE ABOUT WORKING HERE * Join a multicultural and inclusive team environment. * Enjoy a supportive atmosphere promoting work life balance. * Hybrid work. * Your career growth is central to our mission. Our array of career growth programs and diverse professionals are crafted to support you in exploring a world of opportunities. * Access valuable training and certifications in cutting edge technologies. * Engage in exciting projects. * Health and life insurance. * Referral program with bonuses for talent recommendations. * Great office locations. ABOUT CAPGEMINI Capgemini is an AI\-powered global business and technology transformation partner, delivering tangible business value. We imagine the future of organizations and make it real with AI, technology, and people. With our strong heritage of nearly 60 years, we are a responsible and diverse group of 420,000 team members in more than 50 countries. We deliver end\-to\-end services and solutions with our deep industry expertise and strong partner ecosystem, leveraging our capabilities across strategy, technology, design, engineering and business operations. Ref. code 272783\-en\_GB Posted on 28 Oct 2025 Experience level Experienced Professionals Contract type Permanent Location VNG \- Cais Gaia, Fundão, Lisboa \- Expo Business unit Engineering and RandD Services Brand Capgemini Engineering Professional communities Software Engineering