Senior Java Developer with GCP

Capgemini is an AI-powered global business and technology transformation partner with nearly 60 years of heritage, employing over 420,000 team members in more than 50 countries. The company delivers end-to-end services and solutions across strategy, technology, design, engineering, and business operations, reporting 2025 global revenues of €22.5 billion.

• 5+ years (Senior) experience in Java development
• Strong knowledge of core Java (collections, access modifiers, exception handling)
• Understanding of Java memory model, memory structure, and Garbage Collection
• Engineering experience and a systems-thinking mindset
• Ability to identify and resolve memory leaks
• Solid knowledge of concurrency (synchronized, volatile, atomic types)
• Experience with Future / Completable
• Knowledge of future and multithreading concepts
• Familiarity with modern Java features (records, sealed classes, default methods, virtual threads – at least theoretical)
• Hands-on experience with Spring Boot and Spring Data
• Experience in designing and implementing REST APIs and microservices
• Practical experience with unit and integration testing (JUnit, Mockito)
• Understanding of microservice architecture principles
• Exposure to GCP (hands-on preferred; certification is a plus)

• Designing and developing backend systems using Java and Spring ecosystem
• Building and maintaining microservices-based architectures
• Writing high-quality, maintainable code with strong focus on performance and scalability
• Implementing unit and integration tests (JUnit, Mockito)
• Analyzing and resolving performance issues (e.g., memory leaks, GC behavior)
• Applying modern Java features and best practices in daily development
• Collaborating with DevOps teams on cloud and infrastructure (GCP, Terraform)
• Participating in code reviews, technical discussions, and architecture design

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