Client - O2 Telefonica.- Developed robust RESTful APIs, ensuring smooth data delivery and optimizing performance and scalability.- Proficient in server-side coding with Java, Kotlin, and Wicket framework, contributing to resilient and high-performing systems.- Identified and resolved server-side issues through meticulous debugging, maintaining software stability.- Successfully integrated third-party services and APIs to enhance software functionality and interoperability.- Implemented front-end features using React to create a seamless and user-friendly user experience.- Collaborated with clients and team members to provide valuable insights and recommendations for software development optimization, along with periodic evaluations and optimizations for improved quality and performance.Client - O2 Telefonica. - Developed robust RESTful APIs, ensuring smooth data delivery and optimizing performance and scalability. - Proficient in server-side coding with Java, Kotlin, and Wicket framework, contributing to resilient and high-performing systems. - Identified and resolved server-side issues through meticulous debugging, maintaining software stability. - Successfully integrated third-party services and APIs to enhance software functionality and interoperability. - Implemented front-end features using React to create a seamless and user-friendly user experience. - Collaborated with clients and team members to provide valuable insights and recommendations for software development optimization, along with periodic evaluations and optimizations for improved quality and performance.