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Work experience

Middle java developer

from 02.2017 to now (7 years 3 months)
Dimetogo, Киев (стартап)

DIMETOGO https://dimetogo.com/
About: DimeToGo is the first service in Ukraine which sells tickets online with multi-module search. We are able not only to find cheap air tickets and train tickets but also to combine them in one itinerary from many means of transport.
Technologies: Spring (Boot, MVC, Data, AMQP and etc.), Apache Commons, Apache CXF, Guava, XML, SOAP, Rest API, Freemarker Template, Hibernate, DB (MySql, NoSQL - Mongo, Redis), Maven, Git, Jenkins, Migration Tool (FlyDB), Docker, Retrofit2, Slack API, Search Providers API, Mail API, AWS, RabbitMQ, Tomcat, Testing (Log4j, Mockito, RestAssured) Logging (Log4j, Slf4j), Swagger, Lombok

Middle java developer

from 11.2016 to now (7 years 6 months)
Freelance, Киев (development of applications)

Projects that I worked on:

NYSE SERVER (commercial project) https://club.invest-prime.net/login
About: The site is an information resource of a closed type for the sale of content. The site will feature materials on stock trading in the US stock market, options trading, investment advice, and operational analytics. The resource itself is an ordered repository of useful information for investors, traders and those who are simply interested in finance. The main advantage of the resource - all the necessary information is collected in one place and is provided at a symbolic price to all comers.
Technologies: RESTful API, PostgreSQL, Spring Frameworks, Hibernate, AngularJS, JMS, Mail API, Freemarker, Commons, Fondy API (payment system), Gradle, Tomcat, Docker

Biogaz Trade Platform (commercial project) haven`t completed
About: This is a market for trading shares of plants that produce biogas, based on interconnected servers, each of which performs its work: admin server, plant server, login server, trade server.
Responsibilities: I was a member of developer’s team. My responsibilities included development domain model and business service layer, writing unit and integration tests, figure out how bind servers, writing trade logic and so on. Also, I participated in development admin’s panel and security block.
Technologies: RESTful API, WebSocket (STOMP), PostgreSQL, Spring (Boot, MVC, Security, Data, AMQP), Hibernate, Thymeleaf, Commons, JavaScript, Retrofit, LDAP, RabbitMQ, Maven, Tomcat.

Junior java developer

from 01.2015 to 10.2016 (1 year 9 months)
Freelance, Киев (development of applications)

Projects that I worked on:

TAXIOMA (commercial project) http://www.taxioma.org/
About: Online taxi booking service system. Used by dispatchers for processing bookings, manage clients and drivers. Has rich reporting and storing capabilities for analyzing business flow. Consists of clients' and drivers' mobile applications REST APIs, admin and operator web interfaces. Features: e-payments, planning the route, referral system, rating with comments, black lists, discount system, re-calculating of ride cost in case of the route change.
Responsibilities: I was a member of developer’s team. My responsibilities included development domain model and business service layer, work with geodata with using third-party services (Google, Yandex), writing unit and integration tests. Also, I participated in development admin’s panel for dispatchers.
Technologies: RESTful API, PostgreSQL, Oracle, Spring, Hibernate, JSF, Prime Faces, Apache Velocity, Commons, Google APIs, Yandex API, JavaScript, Gradle, Tomcat.

QALance (prototype)
About: This is an international freelance site for QAs and contractors. Through this site search, interaction and work is done. It hosts QAs’ profiles and helps them find a job. On the other hand, it hosts contractors’ profiles as well as contractors’ job offers and facilitate personnel hiring. Also site has internal bug-tracking system but it can be accessed only after both sides (QA and contractor) have agreed to work on the project. Bug tracker functions as a standard tracking system divided into projects, sprints and bugs.
Responsibilities: I took a responsibility of developing domain model for the system and writing unit tests for this layers. In the maintenance stage fixed bugs reported by the QA`s.
Technologies: RESTful API, PostgreSQL, Spring, Hibernate, Maven, Tomcat

ERestaurant (prototype)
About: This is a simple in use multifunctional internet shop with purchases, categories, cart, log in/log out form, register form and so on.
Responsibilities: I took the sole responsibility of developing the whole system from the architecture to coding and deployment.
Technologies: JAX-WS (Apache CFX), DerbyDB, Spring, JSF, EclipseLink, Prime Faces, Maven, Tomcat.

Education

National Technical University of Ukraine "Kyiv Polytechnic Institute"

Information technology engineering, Киев
Higher, from 2004 to 2010 (5 years 5 months)

Master of Science in Computer engineering

Additional education and certificates

J2SE class in Bionic University

2015, 2 month

J2EE class in Bionic University

2015, 4 month

Certificate (successfully completed an Upper Intermediate English course with a final grade of "A") in Green Forest

2016, 18 months

Knowledge and skills

Language proficiencies

English — average