3+ years of professional expertise in the Information Technologies industry. Rich expertise in Java SE/EE and related technologies (Core Java, Servlets, JSP, JSF, JDBC, Spring, Hibernate) DB design and development (Postgresql, Elasticsearch, MongoDB, Cassandra, Redis). Proficient with modern back-end development involving scalable and highly available architectures. [login to view URL] Specialties: Java8 (Java Core, Spring, Dropwizard, Vaadin, Guava, JSF, JDBC, Multithreading, Build environments: Ant, Maven); Clojure + Clojurescript with Om / Reagent; Groovy + Grails; HTML-CSS-JavaScript: jQuery, AngularJS, Bootstrap. Machine learning: Encog, Weka, R, Apache Mahout. Kafka, RabbitMQ, ActiveMQ, Kinesis. Apache Spark. Hands-on experience with Docker: writing Dockerfiles, building images, deploying, troubleshooting. Amazon Web Services: EC2, ECS, S3, Elastic Beanstalk, Kinesis, DynamoDB, IAM.