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Duc A. Nguyen

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Flag of Malaysia Kuala Lumpur, Malaysia
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Member since January, 2012

Hi, thanks for visiting my page. I'm a senior software developer who have over 170 completed projects and my account was qualified by this site. I have many experiences in software development: • Java core and java enterprice (Java/J2EE): JSF, JSP, Struts, SpringMVC, Velocity, Spring Core, EJB, Hibernate. • Intergration/middleware: webservices (SOAP/Restful), MQ series, IBM message broker, JMS, MDB. • Enterprise application server: IBM webSphere, Oracle weblogic. • Mobile development concept. • Front-end: js, css, jquery bootstrap, DOJO. • Relational database: Oracle, mySQL, SQLsv, DB2. • Security and OS: Windows, Linux/Unix. • Portal framework: weblogic portal, sharepoint portal. • Performance and automation testing. • Version control tool: SVN, CSV, Mercurial. • Build tool: ant, maven. • Design tool: Microsoft visio, rational rose. I love my work so much. That is motivation to I always complete every jobs.

4.9 / 5
6.1 / 10

@DucNA

  • 94%Jobs Completed
  • 98%On Budget
  • 97%On Time
  • 22%Repeat Hire Rate

Recent Exams

  • Freelancer Orientation Top 1%
    90%
  • Numeracy 1 Top 3%
    98%
  • java-ee-6 1 Top 4%
    88%
  • HTML Level 1 Top 5%
    83%
  • SQL Level 1 Top 7%
    93%
  • C# 1 Top 15%
    85%
  • Java Level 3 Top 21%
    78%
  • C 1 Top 24%
    80%
  • C++ Level 1 Top 29%
    75%
  • US English Level 2 Top 68%
    75%

Top Skills

  • Java
  • Javascript
  • JSP
  • C++ Programming
  • C Programming
  • C# Programming
  • HTML
  • SQL
  • .NET
  • ASP
  • J2EE
  • JavaFX
  • AJAX
  • UML Design
  • Windows Mobile
  • jQuery / Prototype
  • XML
  • Windows Phone
  • Android
  • Web Scraping
+ show more

Recent Reviews

  • image of tngiam Java Help needed $80.00 CAD

    “Great and fast delivery on work. Splendid and will definitely hire again.”

    tngiam Flag of Canada 2 days ago.
    • Java
  • image of Acer1100 Java programming $50.00 USD

    “Outstanding! Delivered before projected date. Thanks!”

    Acer1100 Flag of United States 3 days ago.
    • Java
    • Hire me
  • image of Acer1100 Write Java programs $50.00 USD

    “I am very glad to hire him. He is very skilled. He accomplished the tasks much before the deadline.”

    Acer1100 Flag of United States last week.
    • Java
  • image of carlosgandara9 Two small Java programs $30.00 USD

    “Good communication. Quality work. Project done as plan. Thanks again for your great work!”

    carlosgandara9 Flag of United States last week.
    • C Programming
    • Java
    • JSP
    • Javascript
    • C++ Programming
    • Hire me
  • image of SJohann14 Manage Batches with GUI Updates $100.00 USD

    “Another fantastic job!”

    SJohann14 Flag of United States 2 months ago.
    • Java
    • AJAX
    • HTML
    • Hire me
  • image of SJohann14 Manage Batches - Change three queries $50.00 USD

    “Great Job!”

    SJohann14 Flag of United States 2 months ago.
    • Java
    • jQuery / Prototype
    • Hire me

Experience

Freelance Developer

Jan 2010

Education

Bachelor of software engineering

2008 - 2012 (4 years)

Master of software engineering

2012 - 2014 (2 years)

Certifications

SCJP - Sun Certified Java Programmer 6 (2010)

The SCJP is a programming certification that demonstrates that the owner is proficient in Java programming.

Publications

No Publications

Badges

  • Essential Credentials

    Update your account details 100%
  • Millenium Proposal

    Bid on 1000 projects.
  • Simply the Best

    Complete 5 or more projects, with a 95% completion rate.
  • The Centurion

    Complete 100 projects.
  • The Chosen One

    Accept 100 projects.
  • The Enforcer

    Reporting a project or contest that violates our terms of service.
  • Look-At-Me

    Highlight 1 bid.
  • Deck the Halls

    Participated in the 2013 twelve days of Freelancer Festivities
  • The Cap-tain!

    Reach the level 20 level cap!
  • US English Pro

    Pass the US English Exam (Level 2)
  • US English Pro

    Pass the US English Exam (Level 2)
  • The Achiever

    Accept 50 projects.
  • The Regular

    Log in every day for 1 week.
  • The Multi-tasker

    Complete 40 projects.
  • The Spartan

    Bid on 300 projects.
  • Insta-Hire

    Use Hire Me to employ a Freelancer.
  • Down but Not Out!

    Re-sponsor your bid after being outbid.
  • The Speculator

    Sponsor 1 bid.
  • Quick Pick

    Award your project within 24 hours of posting
  • The Giver

    Award your project to a Freelancer.
  • US English Qualified

    Pass the US English Exam (Level 1)
  • Mover and Shaker

    Create 50 Milestones.
  • Smooth Operator

    Complete 10 projects on time.
  • Feedback Guru

    Receive 10 reviews
  • The Prospector

    Post your first project.
  • Neighbourhood Watch

    Reporting a user who violates our terms of service
  • The Critic

    Post 10 Reviews.
  • The Economist

    Complete 10 projects on budget.
  • Know-It-All

    Pass a freelancer orientation exam
  • Know-It-All

    Pass a freelancer orientation exam
  • Nine-to-Fiver

    Win a project and accept the offer.
  • Smart Money

    Create 10 Milestones.
  • The Collector

    Reach a balance of 5,000 credits.
  • Fast Responder

    Bid within 2 minutes of a project being listed.
  • Pro-Profile

    Complete your Profile 100%.
  • All Star

    Receive a 5-star rating for a project.
  • The Adventurer

    Complete your first project.
  • The Seeker

    Bid on 20 projects.
  • The Verified

    Verify your payment method
  • The Perfectionist

    Edited a bid.
  • Grand Tourer

    Visit all recommended features that Freelancer.com offers
  • Spread the News

    Invite 10 friends to join Freelancer.com
  • Millenium Proposal

    Bid on 1000 projects.
  • The Centurion

    Complete 100 projects.
  • The Chosen One

    Accept 100 projects.
  • Deck the Halls

    Participated in the 2013 twelve days of Freelancer Festivities
  • Mover and Shaker

    Create 50 Milestones.
  • The Collector

    Reach a balance of 5,000 credits.
  • Simply the Best

    Complete 5 or more projects, with a 95% completion rate.
  • The Cap-tain!

    Reach the level 20 level cap!
  • US English Pro

    Pass the US English Exam (Level 2)
  • US English Pro

    Pass the US English Exam (Level 2)
  • The Achiever

    Accept 50 projects.
  • The Multi-tasker

    Complete 40 projects.
  • The Spartan

    Bid on 300 projects.
  • Smooth Operator

    Complete 10 projects on time.
  • The Economist

    Complete 10 projects on budget.
  • Know-It-All

    Pass a freelancer orientation exam
  • Know-It-All

    Pass a freelancer orientation exam
  • Smart Money

    Create 10 Milestones.
  • All Star

    Receive a 5-star rating for a project.
  • Grand Tourer

    Visit all recommended features that Freelancer.com offers
  • Essential Credentials

    Update your account details 100%
  • The Enforcer

    Reporting a project or contest that violates our terms of service.
  • Look-At-Me

    Highlight 1 bid.
  • The Regular

    Log in every day for 1 week.
  • Insta-Hire

    Use Hire Me to employ a Freelancer.
  • Down but Not Out!

    Re-sponsor your bid after being outbid.
  • The Speculator

    Sponsor 1 bid.
  • Quick Pick

    Award your project within 24 hours of posting
  • The Giver

    Award your project to a Freelancer.
  • US English Qualified

    Pass the US English Exam (Level 1)
  • Feedback Guru

    Receive 10 reviews
  • The Prospector

    Post your first project.
  • Neighbourhood Watch

    Reporting a user who violates our terms of service
  • The Critic

    Post 10 Reviews.
  • Nine-to-Fiver

    Win a project and accept the offer.
  • Fast Responder

    Bid within 2 minutes of a project being listed.
  • Pro-Profile

    Complete your Profile 100%.
  • The Adventurer

    Complete your first project.
  • The Seeker

    Bid on 20 projects.
  • The Verified

    Verify your payment method
  • The Perfectionist

    Edited a bid.
  • Spread the News

    Invite 10 friends to join Freelancer.com