Developed and optimized Java-based microservices (Call Masking, Campaign, ACD) to perform well at enterprise level. Integrated technologies like Kafka, Redis to improve processing times of services by 80% and reduce resource usage by 60%. Designed and implemented communication architecture between IP-based and mobile phones, and streamlined user-to-bot communication with over 25 new feature implementations. Contributed to scalable, distributed systems using Docker, Kubernetes, and cloud platforms (GCP, Azure), ensuring high availability and performance. Conducted extensive R&D on multiple features, and also networking for advanced solutions and ensured smooth production deployment for the same. Worked on front-end(React.Js) code for Soft-phone interface used for call-masking and ACD. Delivered clean, modular, and maintainable code in Java, with hands-on experience in Linux environments and system level operations.