Would you like to join a company that puts people at the heart of its concerns ? We are waiting for you ! Since 2007, Extia, an IT consulting company, has been offering a unique approach in its field by combining well-being at work and performance.We bet on a very simple and successful philosophy: “First who, then what", so let's go for it !First who :Independent, systematic and structured working style;High communication ability and enjoying working in a team;Flexibility and solution-oriented working style are among your strengths.Then what :Work within the scrum and software development team, under the supervision of the Software Principal Engineer of the Convergence program.Key Responsibilities :• Develop, test, and maintain high-quality backend services and APIs using Java/Kotlin and Spring Boot. • Design and implement scalable and reliable event-driven architectures. • Collaborate with cross-functional teams to define, design, and ship new features. • Participate in code reviews, providing constructive feedback to peers. • Troubleshoot and resolve software defects and issues in a timely manner. • Ensure the performance, quality, and responsiveness of applications. • Write and maintain technical documentation. Requirements :• Programming language proficiency in Java or Kotlin programming languages, 3+ years • Spring Boot: Extensive experience in developing applications using Spring Boot framework. • Event-Driven Architecture: Strong understanding and practical experience in building event-driven systems. • Backend Development: Proven experience in backend development including RESTful API design and implementation. • Problem Solving: Strong analytical and problem-solving skills. • Collaboration: Excellent communication skills and a team player. • Language: Fluent in English • Experience with Kafka for building real-time data pipelines and streaming applications is a plus. • Knowledge of PostgreSQL including performance tuning and optimization is a plus. • DevOps: Experience with CI/CD pipelines and containerization technologies like Docker and Kubernetes is a plus. • Familiarity with cloud platforms such as AWS and Azure is a plus.