MD 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.

With an impressive 16 years of experience in Java technology, I am a highly accomplished professional who has consistently demonstrated expertise in various aspects of Java development. My certifications, including Oracle Certified Expert in Java EE 6 Web Component Development, Oracle Certified Professional in Java EE 5 Web Component Development, and Oracle Certified Professional in Java SE 6 Programming, attest to my deep knowledge and dedication to excellence in the Java ecosystem. #Certifications: • Oracle Certified Expert, Java EE 6 Web Component Developer • Oracle Certified Professional, Java EE 5 Web Component Developer • Oracle Certified Professional, Java SE 6 Programmer #Skills - Tools: • Proficient in Java SE and Java EE, encompassing a wide range of Java technologies. • Extensive experience with Java frameworks, including EJB, Spring, Spring Boot, Spring MVC. • Competent in Java Persistence API (JPA) with expertise in Hibernate and EclipseLink. • Skilled in working with diverse relational databases, such as Oracle, MySQL, and MS SQL Server. • Capable of developing both desktop applications (JavaFX and Swing) and distributed systems (RMI, Socket). • Proficient in report generation using Jasper Reports. • Strong proficiency in web technologies, including jQuery, JavaScript, Bootstrap, HTML/CSS. • Experienced in build automation and dependency management with Maven. • Proficient in Unified Modeling Language (UML) for software design. • Well-versed in version control systems, including Git and SVN. • Knowledgeable in configuring and working with application servers like Tomcat and Tomee. #Advanced Skills: • Expertise in software requirement analysis, ensuring a thorough understanding of project objectives and needs. • Proven track record in team management, including work distribution and coordination to achieve project goals. • Strong aptitude for software design, offering architectural guidance and innovative solutions #Notable Achievements: Featured on Oracle's official platforms for my achievements in Java certification: 1. Oracle University Blog - Rajib Hossain Improved His Skills and Reputation with Java Certification 2. Oracle Certification Success Stories - Rajib Hossain