As a Staff Software Engineer at Walmart Labs, I have over 16 years of programming experience in designing, developing, and maintaining software systems that are high-performance, high-availability, and scalable backend applications for retail domain. I work with a variety of technologies, such as Java, J2EE, Spring ecosystem, RESTful web services, JBoss, Tomcat, Jetty, HTML, CSS, JavaScript, JQuery, Elasticsearch, Apache Solr, Kafka, AWS, Akka, JSON, Eclipse, IntelliJ IDEA, Scala, Git, SVN, Sonar, Jenkins, Nexus Repository, DevOps tools, Oracle, MongoDB, Cassandra, and memcached. I have strong skills in object-oriented design and analysis, UML modeling and design patterns, data structures, and algorithms. I have hands-on experience in developing application services using microservices architecture and service-oriented architecture. I have also performed performance tuning of servers and performance testing using Gatling and Jmeter. In addition, I have worked as a consultant at Apple Inc via Exilant Technologies, where I developed APIs, security filters, authorization filters, CORS filters, data models, and integration modules for various projects. I am passionate about creating innovative and efficient solutions that meet the needs of the clients and the users.