Piotr Kowalski
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Piotr Kowalski

Certified Java/JEE developer


Poznań, Poland


Over the last 6 years, I have developed a wide range of applications using Java technologies. I have experience in following: HTML. JavaScript, AJAX, CSS JSP, Struts 1/2, JSF Spring, Hibernate, JMS, JDBC mySql, postgreSQL, Oracle. SQL, PL/SQL JBoss, Tomcat, Websphere My skills are confirmed by SCJP (Sun Certified Java Programmer) and SCWCD (Sun Certified Web Component Developer) certificates.

Piotr Kowalski has added 1 portfolio piece. Create an account to review it.

Work History and Feedback

  • Jan 2012

    Small java beta software
    Piotr is a very good programmer, he was completed my task better than i expected with lightning speed. I will recommend him and will use him again asap.
    $22.22 earned
    Fixed Price

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Name Score (out of 5) Time to Complete
Advanced Java Test 3.60 Top 10% 23 mins
JSP 2.0 Test 3.60 Top 30% 26 mins
Java Test 4.00 Top 10% 18 mins
HTML 4.01 Test 3.90 Top 20% 21 mins
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Work History

100% Job Success
5,665 hours worked
9 jobs


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