Senior JAVA Developer | Contract at Wise Integration

<div> <p data-prosemirror-content-type="node" data-prosemirror-node-name="paragraph" data-prosemirror-node-block="true" data-pm-slice="1 1 []">We are seeking a <strong data-prosemirror-content-type="mark" data-prosemirror-mark-name="strong">Senior Java Developer</strong> to join a cross-border engineering team focused on building and evolving enterprise-grade backend systems within the <strong data-prosemirror-content-type="mark" data-prosemirror-mark-name="strong">banking</strong> domain. This role involves hands-on development of <strong data-prosemirror-content-type="mark" data-prosemirror-mark-name="strong">cloud-native</strong> solutions, leveraging <strong data-prosemirror-content-type="mark" data-prosemirror-mark-name="strong">Java 17+ / Java 21</strong>, <strong data-prosemirror-content-type="mark" data-prosemirror-mark-name="strong">Spring Boot 3+</strong>, and <strong data-prosemirror-content-type="mark" data-prosemirror-mark-name="strong">microservices architecture</strong>. You will contribute to designing scalable and secure <strong data-prosemirror-content-type="mark" data-prosemirror-mark-name="strong">RESTful APIs</strong>, working within <strong data-prosemirror-content-type="mark" data-prosemirror-mark-name="strong">distributed systems</strong> and <strong data-prosemirror-content-type="mark" data-prosemirror-mark-name="strong">AWS cloud</strong> environments, while influencing technical decisions and platform evolution.</p> </div> Key Responsibilities: • Design, develop, and maintain backend services using Java 17+ / Java 21 and Spring Boot 3+. • Build and integrate RESTful APIs for scalable and secure services. • Develop and maintain microservices architecture in cloud-native environments. • Implement event-driven solutions using Apache Kafka and low-latency messaging patterns. • Collaborate with teams to ensure high-quality code, clean code principles, and automated testing. • Contribute to CI/CD pipelines and infrastructure using Terraform, ArgoCD, and EKS. • Monitor and optimize applications using AWS services such as API Gateway and CloudWatch. Must-Have Requirements: • Strong experience with Java 17+ / Java 21. • Hands-on experience with Spring Boot 3+. • Proven expertise in RESTful API design and integration. • Experience with Apache Kafka and event-driven architectures. • Solid understanding of cloud platforms, preferably AWS. • Experience working with distributed systems. • Familiarity with CI/CD practices and tools like Terraform, ArgoCD, and EKS. • Strong commitment to clean code and automated testing. • Fluency in spoken and written English. Nice to Have: • Experience in banking, financial services, or regulated environments. • Familiarity with Quarkus. Notes: Location: Baltic States (Lithuania very highly preferred)Start Date: ASAPDuration: Until 2026-10-30