William Souza

William Souza

Java Expert (top 1% Advanced Java)!

Lancaster, United States



What's the difference?

I love challenges and low-level programming that involves the creation of
API's, system's core, math, advanced algorithms, code optimization, artificial
intelligence, bits & bytes, debugging other people's code (even without
documentation) and everything that involves lots of thinking. I am a hardcore
programmer and I code for fun at my free time to keep in touch with new
techonologies :) My core experience in the last years is Java (I started with
Java since the 1.1 version! pre-swing and with …


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Work History & Feedback

JAVA Programmer Needed

“Very honest, very skilled, and committed. Did all the work within the deadline, and it was flawless. He is very easy to get in touch with, quickly responded if I needed to get ahold of him.”
Fixed Price $40

Expert level Java/GWT/AJAX/Spring/Roo Web App Developers

“Thank you”
204 hrs @ $22.22/hr
Earned $4,526

Image Recognition

“Very good job. Thank you very much for your support and new ideas.No hesitation in recommending him to anyone.”
Fixed Price $203

Google Web Toolkit project adjustment to work with new CSS

“William did exactly what I was after and communicated his progress well. I'd definitely hire him again.”
Fixed Price $200

Recognize border of a postal stamp from a scanned image

“Once in a while you come across genuinely brilliant programmers. William is one of them. He asked the right questions first, understood the exact requirements, and completed the challenging task very nicely – no supervision required. I wish if I had met few more programmers like William before.”
14 hrs @ $25.56/hr
Earned $362

DXF File Reader

No feedback given
Fixed Price $290
Tests Taken
Name Percentile Score

Advanced Java Test


Java Test


Mechanical IQ Test


PC Graphics Test


SQL Test