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David Maiz

Software Engineer

Username: Ghazghkull

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Location: Arenys de Munt, Spain Spain

Member since: February 2012

Reputation:

4.7

(10 reviews)

4
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My skills:

My projects:

  • $100 USD
    4.8
    Profile image for Seller novabis

    novabis Turkey

    Sep 14, 2012

    He knows what he is doing. Nice and easy communication. Thanks!

    Project Description: Hello, we have a reporting php file http://89.145.184.137/CDR/data.php?musteri=90&baslangic=05.09.2012+08%3A09&bitis=12.09.2012+08%3A09&tip=1 in our database we have a large table which containts nearly 6.000.000 records now...
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  • $30 USD
    5.0
    Profile image for Seller fataliris

    fataliris Netherlands

    Jun 11, 2012

    This is the second time I'm working with David and will hire him again in the future.

    Project Description: For our music promotion service that is currently in private beta, I am looking for an experienced Java developer that can help us with changes, new features and bug fixing. You are comfortable to work on a project that only has high-level documentation available...
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  • $75 USD
    3.4
    Profile image for Seller tbtbtt

    tbtbtt Israel

    May 15, 2012

    Ghazghkull helped me solve a hard MySQL + Hibernate problem. He kept giving new ideas about how to solve the issue, and didn't give up until the achieved performence met our expectations.

    Project Description: We develop a Java application that uses Hibernate in order to access our DB (a remote MySQL server). We have two problems with it: 1. It works really slow (takes about 15 minutes to insert 7,000 new records) 2...
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  • $140 USD
    4.6
    Profile image for Seller fataliris

    fataliris Netherlands

    Apr 22, 2012

    David delivered the job with minimum explanation and took initiative to improve tasks even more than requested.Surely want to keep working with him.

    Project Description: For our music promotion service that is currently in private beta, I am looking for an experienced Java developer that can help us with changes, new features and bug fixing. You are comfortable to work on a project that only has high-level documentation available...
    [more]
  • $60 USD
    5.0
    Profile image for Seller mariadev

    mariadev United States

    Apr 16, 2012

    Perfect. Job completed, and very quickly. Super easy to work with and very helpful and professional. Thank you!

    Project Description: Changes to checkout pages as discussed.
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  • $40 USD
    5.0
    Profile image for Seller mariadev

    mariadev United States

    Apr 9, 2012

    Great availability, perfect understanding, prompt communication, timely work. Thank you! Hope to work with him again on next project.

    Project Description: Work on an existing site built in smarty php. Last stage of the checkout does not work and returns error.
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  • $70 USD
    5.0
    Profile image for Seller russflex

    russflex United States

    Apr 6, 2012

    Thanks! You solved my problem when no one else could.

    Project Description: I have lag on my penny auction website and I believe it is due to the numerous server requests that are sent to it from the counter of the auctions. JS API function needs to be implemented into the run...
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  • $150 USD
    5.0
    Profile image for Seller jckb188

    jckb188 United States

    Apr 3, 2012

    Very prompt and quality work. Will definitely work with again for future projects.

    Project Description: I am looking for someone who can design a Moon Phase Calendar for my website, using Javascript if possible. Essentially the calendar would show the next upcoming moon phase (i.e. New Moon, First Quarter, Full Moon, Third Quarter) along with a corresponding image of my choice...
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  • $51 CAD
    4.2
    Profile image for Seller pipomenace

    pipomenace Canada

    Mar 29, 2012

    Excellent work. Completed the project within 1 day! Really fast and professional worker. Would hire again for sure!

    Project Description: Hello, I have a web application that a programmer built for me few weeks ago. The thing is, the application seems to be working only using FIREFOX. Well, some part of it works in other browsers, but...
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  • $100 USD
    5.0
    Profile image for Seller russflex

    russflex United States

    Mar 15, 2012

    Knowledgeable in PHP and AJAX. Thanks.

    Project Description: I have a penny auction script that has an issue updating when people are bidding. I notice if I am bidding against someone, I don't see the other person's bid update to my screen. I have to click REFRESH to see it...
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    David Maiz has not completed any projects.
  • $100 USD In Progress

    The attached file contain all the detail about the project.In short you will have to write SQL queries in oracle 10g. you have to take screen shot after execution of each query.The final project should contain screen shots and sql scripts

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  • $40 USD In Progress

    Problem description: User selects a delivery date from a calendar on the product page which passes through to the shopping cart and then into the checkout page. The date that passes through to the checkout is not the same as the date that the user selected.

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  • €27 EUR/hr Today

    We are a startup company from Berlin, Germany and are building a web based software for our customers to help manage their processes regarding event management and planing. For this to achive we are currently looking for java developers experienced with backend technologies such as Spring/Spring-MVC, Hibernate and MySQL. The software is built from multiple modules and customized for our customers needs.

    [more]
  • $330 USD 26 days ago

    I have a simple browser-based game written in PHP & MySQL, most of the code including design is already done and works.There are a few bugs that need to be fixed and I also have a list of features that are missing and I want them to be implemented.I will provide detailed description of what needs to be done and there is also a similar other website where you can see the missing features in action.Please start your message with the words 'I AM REAL' to show that you have read the description. Thank you for bidding.

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  • $2970 USD 26 days ago

    We need developers for create proyect based auction and bid , the example website for create its more or less as this : http://bidwiz.esWe need the same functions of this website and sure other more , create Gateways for paymentrs , etc Very Important if you can speak spanish because we want create other proyects and need people for work with us , the first proyect we want create with people of here its this and the amount for this proyect its over 1500 - 2000 , only people with experience , freelance only no companies and no price for hours Thanks and regards all developers

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  • £110 GBP 26 days ago

    it is a software development assignment, to be developed oly in java, no need of jdbc connection to be included. deadline is on april 28th april 2013. budget is 50 to 70

  • $100 USD Apr 14, 2013

    Hello. I need a development for a system for a pool shop, which incluides all the areas of the business: clients attentions, projects , sells, accounting, etc.I am native spanish speaker and so are you, so I think that when we can talk about this project, maybe it will be easier for you to understand itI attach a doc, that maybe helps. The problem, is that I need this project to be developed as soon as possioble, and I already have part of the development , in php, but I do want to change all the GUI. You can see it in www.itg.com.uy/akesseThe project is very large, so we could partitionate the project in many subproject,s so the money will be fixed for every subproject, now I entered an example amount, for the definitin of the frame, and thi initial processthanks !Patricia.Thanks

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  • $2000 USD Mar 18, 2013

    Hola David,En la empresa de un amigo estan interesados en alguien les implemente una pequeña aplicación de su producto.No creo que requiera más trabajo que un mes o mes y medio como muchoTendrias disponibilidad para llevar a cabo un proyecto durante este tiempo?Saludos!Jordi Gil

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  • $350 USD Feb 12, 2013

    I have a nulled website and I want to change the look to give it a more web 2.0 look and I want to correct and add a few functions with mysql. More information will be provided If this project is accepted.

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  • $100 USD May 2, 2012

    i have something which i need very quickly within next hour. that would be nice as i have other work to do. can instruct you quickly.http://mcaf.ee/zx1kp

  • $400 USD Mar 5, 2012

    We are an online company currently selling shoes purely via Facebook and eBay.We require an online store with back-end CMS so we can add new products, change prices etc.A general product page would contain a photo of the product, description and ability to choose sizes. The store will require users to be able to pay by credit card and Paypal.Once we've chosen our freelancer, we will provide a full document detailing exactly what is required on the website. I have web experience myself so will be providing a detailed plan to make things a lot easier for the successful applicant. Looking for someone with strong experience with online stores.

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    David Maiz does not have any open projects.
    David Maiz does not have any work in progress.
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Portfolio

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Resume

Experience

Software Engineer

Feb 2011 - Present (2 years)

Scytl

Software Engineer developing High Secure e-Vote applications.<br /><br />I use principally J2EE technologies (Springs, Hibernate, Eclipse), AJAX (jQuery, ExtJS) and Oracle

Senior Software Consultor

Oct 2010 - Feb 2011 (4 months)

K-Lagan

I worked as Senior Software Consultor at Scytl

Software Department Director

Sep 1999 - Oct 2010 (11 years)

Grubit

I worked as Software Engineer, Database Designer and Project Manager<br /><br />Finally I worked also as Director into the Software Department<br /><br />I worked with J2EE technologies, Oracle, MySQL, Delphi, PHP and many other technologies

Education

Software Engineer

Universitat Politècnica de Catalunya

1993-1999