We are looking for a Senior Java Developer to join our team. Our client is a fintech company revolutionizing the financial services industry with cutting-edge digital solutions.What you'll do:Design, implement, and maintain scalable backend systems using Java and Spring BootDevelop and optimize RESTful APIs and microservicesIntegrate with SQL and NoSQL databases for efficient data storage and retrievalImplement and manage security protocols using Spring SecurityDeploy and manage containerized applications using KubernetesCollaborate with cross-functional teams to define, design, and ship new featuresParticipate in code reviews, unit testing, and documentationEnsure best practices in Git-based version control and CI/CD pipelinesWhat you will need to bring:7+ years of professional experience in backend developmentStrong proficiency in Java and Spring BootExperience with Kubernetes for container orchestrationSolid understanding of JPA/Hibernate and relational database designKnowledge of Spring Security and authentication/authorization mechanismsExperience building and maintaining RESTful APIs at scaleHands-on experience with SQL (e.g., PostgreSQL, MySQL)Proficient in Git for version controlExcellent problem-solving skills and attention to detailFluent English communication skills, both written and spokenWhat can Syone offer me:Integration in an organization with profound and sustained growth and involvement in pioneering projects with innovative technological solutions;Strong IT training plans;Professional evolution with intervention in ambitious technological projects, both national and internationally.By applying, you accept our GDPR policies. Your personal data in your CV and documents will be used solely for processing your application at SYONE. SYONE, S.A. (NIPC 504729624) is the data controller, located at Rua Alfredo da Silva, 8-A, Edifício Stern, Piso 3D, 2610-016 Amadora. We will use your data to tailor your application to relevant vacancies and for potential employment contracts. If selected, your data will be kept during your employment and for at least two years after. If not selected, your data will be kept for two years for future vacancies and then deleted, except for your contact details. You can exercise your rights (access, rectification, erasure, etc.) by emailing data.privacy@syone.com. Your data may be shared with our HR service providers and will be stored securely. You can withdraw your consent at any time. We will not use your data for other purposes without your express consent. For more information, email data.privacy@syone.com.