Wahaduzzaman 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.

I am a skilled R/Shiny developer with over six years of experience creating customized applications for a range of clients. With a background in statistics, I can apply data-driven insights to create functional and user-friendly apps that meet specific business needs. I can handle every aspect of Shiny app development, from design to deployment. In addition to my experience with R/Shiny, I also have a strong background in creating REST APIs using Plumbr. I am proficient in connecting Shiny apps with REST APIs and databases, enabling seamless data exchange between different systems. Furthermore, I am well-versed in enabling user authentication and authorization using Auth0, ensuring secure and reliable access to sensitive data. I take pride in creating unique and visually appealing apps by utilizing my knowledge of HTML and CSS. As a passionate computer nerd, I am always excited to learn about new technologies and apply them in my work. Feel free to reach out to me if you have any questions or if you would like to work together.