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Member since June 25, 2010
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Hi, Client I am a software engineer with experience in building real-time event-driven applications, context-aware applications and web and mobile applications. I have a lot of experience in developing, supporting and maintaining complex, scalable web applications. Also I am a specialist in AI, ML, Computer Vision and Data Science. Because I mastered these fields when I was in university. The Most important thing for me is that I Love to hate missing the deadline and try to prefer 100%. Improve your business with me!!!
$50 USD/hr
4 reviews
  • 100%Jobs Completed
  • 100%On Budget
  • 100%On Time
  • 27%Repeat Hire Rate

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Recent Reviews

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    “great experience. would hire again.”

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    “Knew more than anyone else i have worked with in the past and completed the job on time over a weekend for me last minute! His results were actually better than I was expecting. A true pro!!! He was very responsive during the process and I highly recomend him.”

  • image of Jairo Alberto A. Project for Osvaldo $15.00 USD

    “Highly Recommend Developer, I have posted this project several times. But only this guy met my requirements perfectly. Design skill is good. I recommend Osvaldo. Will give 6 stars. Thanks +++++AAAAA+++++”

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    “Very good, thanks for your support”


Software Engineer Fullstack

Jun 2015 - Jun 2019 (4 years)

I worked daily creating callbacks functions in JavaScript using intensely map, filter and reduce functions to manipulate data in MVVM pattern in pure JavaScript and also with Knockout framework. Also rewritten razor pages from old ASP net to C # MVC 5. I also held responsibilities to do code review from other developers and for monitoring the environments against break down, using Team City to track the raised problems and solve them. As TDD Selenium with .Net.

Web development

Jun 2012 - May 2014 (1 year)

Building responsive web development Joomla, Wordpress, Drupal

Software Developer C#/Liferay J2EE

Nov 2005 - Aug 2011 (5 years)

Design and creation of new Interfaces and contracts for a new feature called Positive Credit Registration (Control of customer Scores) and new functionality called reinstatement of debt payments online (Liferay). The main responsibility was Re-Write WSDL rules, writing the contracts (classes and interfaces) for the TSYS Company, against updating thousands of Web Services transactions As TDD SOAP UI.



2001 - 2005 (4 years)


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