NAZAR R.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.

Extensive experience in Java/J2EE with experience in Core Java, Java web backend and Java integration. Experience in Spring Boot, Spring Security, Spring integration, Spring Batch, Spring cloud based microservices, Hibernate, Apache Camel-k(Camel on Kubernetes), Apache Camel, Apache Kafka, Confluent kafka, Kubernetes, Docker, Java Multithreading and Quarkus. Experience in GOF design patterns, Enterprise Integration patterns and J2EE web based patterns. Worked on J2EE projects with major role in architecture with special emphasis on Enterprise Integration patterns and Service Oriented Architecture. Worked on performance optimization of live projects for Hibernate and Spring projects and received awards by higher CSC US managers.