Valentin Poroxnenko

Valentin Poroxnenko

senior Java/Androi developer (EJB, JPA,JSP,GWT,Portlets, Eclipse)

Saint Petersburg, Russia

$30.00/hr

(4.55)

What's the difference?
Overview

  I have been working as a key developer and team lead at the java or android projects for more than 6 years. Most of these projects were enterprise applications.
Team leading and project management experience. Good knowledge of team working rules and tools (version control, bugtracking, time management systems, etc.)
Development  of multi-tier applications based on JBoss, Weblogic, WebSphere, Tomcat application/web servers. EJB 2, EJB3, servlets, Web services(SOAP, REST, axis2) using for …

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Valentin Poroxnenko has added 4 portfolio pieces. Create an account to review them.

Work History & Feedback

Java Based / JSP EDI Parser Bean

“Will definitely use again.”
5.00
3 hrs @ $27.78/hr
Earned $93

Expert GWT Developer

“Great provider! We're happy with the work Valentine did for us. We will keep him in mind for our next GWT project.”
5.00
27 hrs @ $25.00/hr
Earned $683

JAVA Memory Leak Issue

“Valentin worked quickly to resolve our problem...we're working on sending him another project right away...”
5.00
Fixed Price $378

Project: API connection between Salesforce (www.salesforce.com) and Magento (www.magentocommerce.com)

“Client decided to go in another direction and cancelled job.”
5.00
Fixed Price $22

Magento Landing Page Programming

“This is the second successful project I have completed with Valentin.”
4.85
Fixed Price $250

Volusion Order API Integration

“Valentin was attentive and did an excellent job with this project. The program works flawlessly.”
5.00
33 hrs @ $14.44/hr
Earned $477
Tests Taken
Name Percentile Score

Advanced Java Test

83

Enterprise Java Beans (EJB) 2.0 Test

81

HTML 4.01 Test

60

JDBC 2.1 Test

88

JSP 2.0 Test

59

Java Test

73

Management Skills Test

57

MySQL 5.0 Test

49

Ruby on Rails Test v1 (Old)

43

SQL Test

83

Upwork Readiness Test for Independent Contractors and Company Managers

Passed