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. RESPONSIBILITIES Design, develop, and maintain robust payment gateway solutions. Implement and manage APIs and services using Java, Spring Boot, and Reactive Spring. Work with Spring Data, Spring Cloud Stream, and Kafka binder for data streaming and integration. Apply Spring Security principles with OAuth2 for secure application access. Develop and apply functional programming techniques to enhance code quality and performance. Apply design patterns and methodologies to solve complex software engineering problems. Work with both SQL and NoSQL databases, including Cosmos DB. Utilize Azure services, including Kafka/Event Hub and Cosmos DB, for cloud based solutions. Deploy and manage containerized applications using Docker and Kubernetes. Monitor and analyze application performance using Datadog, Elasticsearch, Prometheus, and Grafana. REQUIRED SKILLS Proficiency in developing applications with Java and Spring technologies, including Spring Data, Spring Cloud Stream (Kafka binder), Spring Security (OAuth2), Spring Actuator, and Spring Reactive / WebFlux. Design Patterns: Knowledge of Gang of Four design patterns. Experience with non-blocking I/O development practices. Experience with Mockito, JUnit Jupiter, Jacoco, and SonarQube for testing and code quality. Proficiency in SQL and NoSQL databases. Experience with Azure services, including Kafka/Event Hub and Cosmos DB. Knowledge of Docker and Kubernetes for containerized applications. Experience with Datadog, Elasticsearch, Prometheus, and Grafana for performance monitoring and logging. ABOUT CAPGEMINI 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 lifesaving 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. #J-18808-Ljbffr