Taras Golovach

Technologies: Java 1.8, Spring, Hadoop Map-Reduce, Docker Data source: MapR (HDFS, HBase), ElasticSearch, Kafka, RabbitMQ Tools: IntelliJ Idea, Tomcat, Maven, JUnit, MRUnit, Mockito, JIRA, Jenkins

Technologies: Java 1.8, Spring, Hadoop Map-Reduce, Docker Data source: MapR (HDFS, HBase), ElasticSearch, Kafka, RabbitMQ Tools: IntelliJ Idea, Tomcat, Maven, JUnit, MRUnit, Mockito, JIRA, Jenkins

Under my responsibility was: - implementation of bi-directional client-service communication with WebSockets (from the PoC up to the production) - changes to Cassandra data structure - implementation of new functionality (business layer, communication with UI, small UI fixes) - support of analytics and import process of the historical data from external data sources.

Under my responsibility was: - full cycle development of several new services - full stack security development (encryption, hash, mac strategies; quorum service initialization, etc.) - defining and coordination of processes of data encryption - environment virtualization with docker - implementation of new functionality (business logic, cross services communication, communication with 3rd party services, SQL/NoSQL DB and full text search engine)

Under my responsibility was: - implementation of new functionality - analysing and solving problems on production - analysing and offering solutions for some of the architectural issues problem analysis and bug fixing - migration of the application to new JVM, newer Frameworks versions and application servers - refactoring of complete project file and logical structure

Disney (WDPRO) Large enterprise solution for sale, booking, reservation of tickets, rooms in parks, hotels and restaurants of Disney World. This project was based on both synchronous and asynchronous communication between the business logic components that were implemented as RESTful services, EJB components and SOAP components. For the data management relational databases (Oracle, MySQL) and Text storages (FAST) were used.

eHarmony (Jazzed) The project included a web-based dating platform that builds on synchronous and asynchronous communication between components. The business logic components as a set of Web services was implemented using Spring Integration Framework. The UI was implemented using Spring (MWC, WebFlow) technology. For data storage SOLR (Lucene), Oracle were used. Geo Search was provided by the Solr Indexing Server.

Logging, Mail parser, Mail2pdf service, etc. The main objective of the project was the development and support of a system to facilitate document flow. In the project a number of servers were used for several purposes: 1) to process emails; 2) to work with the logging system; 3) to work with the conversion of document types; 4) to work with Jack Rabbit and JBPM.

GANAG GANAG is one of the leading providers of wireless Internet access in Germany, primarily focused on the hotel sector. That was a system of control devices, keeping of accounts, bills handling, etc.

AutoSmartUs AutoSmartUs is informational and social portal about cars featuring news, user area with social features, ad area dedicated to buying and selling cars, photo gallery, blog.

Engineer-system analyst.