Worked extensively on RESTful web-services, HTML5, CSS3, JSON, Media queries for responsiveness.• Used GIT client to update/commit changes from/to repository and resolve merge/conflict operations• Deployed Spring Boot based microservices Docker and Amazon EC2 container using AWS admin console.• Used Micro service architecture with Spring Boot based services interacting through a combination of REST and Apache Kafka message brokers and worked with Kafka Cluster using Zookeeper.• Experience in building real time data pipelines with Kafka connect and spark streaming. • Involved in migrating applications from Java 8 to Java 11.• Used O/R mapping tool Hibernate for rapid development and ease of maintenance.• Worked on WebSphere Server for deploying web and business components. • Worked on web application that uses Angular 4/6 at front end for data binding and Spring/Spring SI along with REST services at backend end.