Amit 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.

Accomplished Senior Java Full Stack Developer & Technical Lead with 10+ years of experience specializing in end-to-end design, development, and modernization of scalable enterprise applications. Proven expertise in transitioning monolithic legacy systems into high-performance Microservices architectures utilizing Java (8/11/17), Spring Boot, Spring Cloud, RESTful APIs, AWS, Docker, Kafka, and modern front-end frameworks (ReactJS, Angular). Demonstrated proficiency in payment gateway integrations, OLTP systems, database optimization, and cloud services, with a strong background in leading teams and agile development.