Senior Java Developer with GCP
Senior backend developer at Capgemini in Wrocław (hybrid): designing and building Java/Spring Boot microservices with a focus on performance, scalability, and testing, while collaborating with DevOps teams on GCP and Terraform infrastructure.
- Compensation
- Not disclosed
- Location
- Not listed
- Work setup
- Hybrid
- Seniority
- Senior
- Employment
- Not specified
- Experience
- 5+ years
- Category
- Software engineering
- Posted
Skills
Must have
- 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/CompletableFuture 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 designing and implementing REST APIs and microservices
- Practical experience with unit and integration testing (JUnit, Mockito)
- Understanding of microservice architecture principles
Nice to have
- Exposure to GCP (hands-on preferred; certification is a plus)
Full description
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Choosing Capgemini means choosing a company where you will be empowered to shape your career in the way you’d like, where you’ll be supported and inspired by a collaborative community of colleagues around the world, and where you’ll be able to reimagine what’s possible. Join us and help the world’s leading organizations unlock the value of technology and build a more sustainable, more inclusive world.
Your Profile
On this role, you will be responsible for designing and developing backend systems using Java and the Spring ecosystem, with a strong focus on microservices architecture. You will ensure high code quality, performance, and scalability while implementing automated tests and resolving performance-related issues. You will actively collaborate with DevOps teams on cloud infrastructure and contribute to code reviews, technical discussions, and architecture design.
Your Tasks
- 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
Your Profile
- 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
- 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