Volodymyr L.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.

Hello, I'm a Java (more than 10 years)/Scala(6 years)/Python developer. and have skills in Programming: • Java ( Spring, Spring Boot, Hibernate, JSF (MyFaces, Richfaces, ADF Oracle), Struts, Jfreereport, JasperReports), J2EE, JMS, Git, Maven, Web Services, REST Services; • Scala (Play Framework, Slick, Doobie, Akka, Akka-Http, Akka-stream, Cats, Scalatra, Tapir, Apache Spark, Apache Kafka, Docker); • JavaScript (Angular, jQuery); • Python (Airflow); • Application Servers: • Tomcat, Jboss, GlassFish, Weblogic; • Databases: • Oracle, MS SQL, MySQL, PostgreSQL, MongoDB; • Administration of local networks on Linux (Fedora, Mandriva, OpenSuse, Ubuntu, Elementary OS), Solaris, and Windows-based systems; • - Cloud platforms: AWS, Google Cloud.