Контактна інформація

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Знання і навички

Знання мов

Англійська — середній

Додаткова інформація

Viacheslav Komenda

Email:[відкрити контакти](див. вище в блоці «контактна інформація»)
Date of birth:30-06-1976
Phone:[відкрити контакти](див. вище в блоці «контактна інформація»)
Jabber:[відкрити контакти](див. вище в блоці «контактна інформація»)
Location:Kyiv / Ukraine

More 10 years of experience of software development in different projects (automation of enterprise management, financial software, e-commerce, e-business, web based business applications), technical support of businesses software.

Strong experience with Web Application architecture and design, Client/Server development, Database design, Object Oriented Programming and Design, Component development, Integration of a big Software product from a different modules, Version Control process, Configuration management, Issue/bug tracking,

Technical summary.

J2EE: JMS, EJB (2.1, 3.0), JPA, JSP/Servlets, JAAS
Servers: JBoss, IBM WebSphere, Tomcat
Frameworks and technology: Spring, JUnit, Struts, JSON (for REST).
Scripting and dev tools: maven, ant/make, cvs/svn/fossil, bash/perl/php, eclipse.
Databases: ElasticSearch, MapDB, Oracle, MySql, PostgreSQL.
Languages:
English - intermediate.
Cestina - basic.

Professional employment.
2015-Present
Company:Freelancer

Various projects. ElasticSearch, XMPP (Jabber-bots) etc . For example, few of them is my public-available demo:

[відкрити контакти](див. вище в блоці «контактна інформація») . This jabber bot allow to subscribe and read RSS-feeds. Each user have own subscription subset. Feeds are downloaded each 3 hours. Technical details: xmpp-fronted (support SASL) connected via UDP-protocol (crypted+signed) with multiple backend(s). Database is MapDB. Multithreading – own. This server (with frontend and backend) has been placed into Tor and works 24/7.

[відкрити контакти](див. вище в блоці «контактна інформація») . Planning tool for distributed (possible - anonymous) Teams. Like a “Kanban-board over Jabber” with full visualization board/story status at http://rdlwvlo7rnh2uzxl.onion/ (if project is public). Technology stack the same, frontend
from RSS-project, plus backend and ElasticSearch DB.
Also, the same frontend has been used for remote-administration tool at my servers.

2013-2015
Company:Playtech (Mobenga/Williamhill)
Position:J2EE senior software developer
Technologies:Spring (Spring MVC), Memcached,Web Services.

Williamhill one of the largest gambling sites working in the EU markets. Our Team goals is customization for local markets for each country and development of new feture. Designed with OpenBet platform of Playtech.

2012-2013
Company:Luxoft (Hotwire)
Position:J2EE senior software developer
Technologies:Spring (Spring MVC, Spring Remoting), JCache, Playframework, Oracle.

Hotwire is a leading discount travel site with low rates on airline tickets, hotel rooms, rental cars and vacation packages.
Responsibilities: development backend-side.

2010-2012
Company:Consumer Health Technologies
Position:J2EE senior software developer
Technologies:IBM WebSphere, Drools (Business Logic integration Platform), Oracle, Struts, Jasper Reports.

Health insurance business rules-oriented software with Drools, reports (engine bases on JasperReports) and frontend into existing application.
Responsibilities: Internalization, implementation new functionality, bug fixing.

2008-2010
Company:IT Business Consulting & Service CZ s.r.o
Position:Senior Software Engineer
Technologies:J2EE: Struts, JMS, Entity beans, Oracle. Server: IBM WebSphere

Development and support various accounting/automation j2ee web-application. Responsibilities: requirements analysis, technical design, implementation.

2007-2008
Company:Mubito
Position:Senior Software Engineer
Technologies:Standalone java, EJB (JBoss, Weblogic), JDBC, MSSQL.

Music portal for amateur musicians.
Responsibilities: Design and development media file conversion utility (standalone converter with native applications with j2ee/ejb frontend), ftp file upload system..

2006-2007
Company:Consileon
Position:Senior Software Engineer
Technologies:Swing, ATG Dynamo AS, SAXP, Oracle

Bank accounting application (dab-bank.com).
Development new features for frontend and backend with ATG Dynamo AS (very old application server). Responsibilities: requirements analysis, implementation and bug fixing/refactoring.

2005-2006
Company: Luxoft
Position: Senior Software developer
Technologies: J2EE (Jboss/EJB, Oracle, JBoss Seam, JSF)

Development bank accounting web application.
Responsibilities: requirements analysis, design, implementation.

Education.

The diploma of master degree on "Integrated Intellectual Systems" of Kyiv National Polytechnic University "KPI" (1993-1999).