MUSTAPHA B.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 over 15 years of experience as a Senior JAVA/JEE developer, I've contributed to a diverse range of projects spanning telecom, e-commerce, science, education, and CRM domains. As a backend developer, I excel in utilizing technologies such as Java, Spring, Hibernate, and Docker to deliver robust solutions. I'm well-versed in cloud platforms like Google Cloud and AWS, and proficient in CI/CD pipelines using Jenkins and GitLab CI. On the frontend, I specialize in frameworks like Angular and React, crafting responsive user interfaces with HTML, CSS, and JavaScript. My expertise extends to tools like ExtJs, Typescript, and JQuery, enabling me to create dynamic and intuitive user experiences. Certified as a Solutions Architect Associate and a Sun Certified Web Component Developer for the Java Platform, Enterprise Edition 5, I bring a wealth of technical knowledge and a proven track record of success to every project. I thrive on tackling complex challenges and delivering innovative solutions that exceed expectations. Let's collaborate to turn your ideas into reality and drive your business forward with cutting-edge technology solutions.