Aleksey K.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

Highly skilled and accomplished Senior Java Developer with more than 6 years of experience and a proven track record of delivering high-quality software solutions. Committed to staying up-to-date with the latest technologies and frameworks. Seeking a challenging position to contribute my expertise in Java development and frameworks to drive innovation and success for a leading organization. Skills: Programming Languages: Java, Kotlin, SQL Java Frameworks: Spring (Boot, Integration, Security, Batch, MVC, Data, WebFlux), Hibernate Tools: Lombok, JOOQ, Mapstruct, ELK Web Development: HTML5, CSS3, TypeScript, jQuery, Swagger Database Technologies: Oracle, PostgreSQL, Flyway, Liquibase Version Control Systems: Git Agile Methodologies: Scrum, Kanban Testing: JUnit, Mockito, Cucumber, Selenium, SonarQube, DBUnit IDEs: IntelliJ IDEA CI/CD: Jenkins, GitLab, Bitbucket Containers/Orchestration: K8s, Docker, OpenShift Messaging: Kafka, RabbitMQ, Solace Strong problem-solving and analytical skills Excellent teamwork and collaboration abilities. Mentorship and leadership experience. Dedication to the result, accountability and adaptiveness. Certifications: Red Hat Certified Specialist in OpenShift Application Development