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Flag of Ukraine Donetsk, Ukraine
Member since November, 2007
3 Recommendations

Mary Krylenko 

I have over 10 years experience in the field of Software Development as Sr. Developer. My expertise is in full Software Development Life Cycle (SDLC) including: - Software Architecture - Object Oriented Programming - Distributed Objects - Designing - and Prototyping. These are my specialties: - Application development and support using ---- Java ---- JSP ---- JDBC ---- RMI. - Development of Distributed Components Architecture - J2EE architecture like: ---- JMS ---- XML ---- MVC ---- Web Methods ---- SOAP ---- REST. - Java frameworks like: ---- Spring ---- Struts ---- Hibernate. - Web/application servers like: ---- Apache (Apache HTTP Server) ---- Tomcat (Apache Tomcat Server). I am also an expert in: - Java 2 - JSP - JSF - MySQL - PostgreSQL - HTML - CSS - JavaScript - Ajax.
$30 USD/hr
259 Reviews
  • 98%Jobs Completed
  • 100%On Budget
  • 100%On Time
  • 54%Repeat Hire Rate

Recent Reviews


Lead Java Developer

Nov 2008 - Sep 2012 (3 years)

Project management system.

Java Developer

Sep 2007

Business Analyst, Java Developer

Feb 2005 - Aug 2007 (2 years)

Projects: 1) A network security scanner application (Nessus client, web application) 2) Forex market trading (web application) 3) Online booking engine Click-to-Sky (web application)

Lead Java Developer

Nov 2003 - Feb 2005 (1 year)

Worked on design, development and support of project. As a member of small team worked on following projects: o Design and development of primary classes for main project using Java. o Design and implementation of "Sign Up", "Sign In", "User Account", "Search" systems using JSP and Struts. o Implementation of adding/edition advertisement using JSP and Struts. o Handling job with images using Java. o Support of site using HTML and CSS.

Software Engineer

Feb 1996 - Oct 2003 (7 years)

Full cycle development program system for collection and analysis economical information, which is written under Win32 and performs following functions: o Receiving specially developed files in text and dBase format, which contain the data from departments. Using FoxPro, Visual Basic. o Check findings and sends protocols by e-mail about errors in data. Using FoxPro, Visual Basic. o Make calculations of different activities: profits, profitability, structure and dynamics etc. Using FoxPro. o Forms differ


Master, Computers

1991 - 1996 (5 years)

Master, Economics

1996 - 1999 (3 years)


Algorithms: Design and Analysis, Part 1 (2012)


Algorithms: Design and Analysis, Part 2 (2012)



No publications



  • Freelancer Orientation
  • Java Level 3
  • UK English 1
  • US English Level 1

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