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Sebastian G.

Sebastian G.

Sr. Java Developer with Front End experience

Sebastián worked for 1 year with C++ designing and implementing, after that he worked for 8 years with J2EE. He has extensive experience in rich Internet applications, strong architectural and software design abilities, and focused on producing top quality applications. 6+ years of experience improving develop processes, transitioned development to agile and mentoring people on different technologies setting up teams into efficient and professional product development groups. He used JAVA, C++, HTML5, JavaScript, Apache Tomcat, webservices, REST, Spring, Spring MVC, Struts, Spring Security, Hibernate, JPA, Ant, Maven, PostgreSQL, MySQL, Oracle, Weblogic, OC4J, JSF, JSTL, Laszlo, Backbone.js, Requiere.js, Mustache.js, Hogan.js, JSP, JBoss among others. In last years he was the technical leader in several teams and strongly focused in provide continuous customer orientation.

🇦🇷Tandil, Argentina$70/hr100% JSS5.00 (1)Since Feb 2014

Earnings and projects

MRR
$0

Last 6 months ÷ 6

World#77,028 / 412k
🇦🇷Country#793 / 4,639
Revenue, last 30 days
—

Read daily since Oct 30, under 30 days

Total earnings
$49k

Billed in all: $116k

World#77,028 / 412k
🇦🇷Country#793 / 4,639
Per project
$16k
Projects, last 6 months
0
World#209,850 / 412k
🇦🇷Country#2,284 / 4,639
Projects in all
3
0% fixed100% hourly
World#304,140 / 412k
🇦🇷Country#3,095 / 4,639

Earnings, last 30 days

$116kNothing earned since Oct 30Billed in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$114k$116k$118k$120kOct 30Nov 3Nov 7

Tracked from Oct 30, 2026.

Skills