Profile image of DucNA
@DucNA
Flag of Malaysia Kuala Lumpur, Malaysia
Member since January, 2012
10 Recommendations

Duc A. Nguyen

Hi, thanks for visiting my page. I'm a senior software developer who have about 200 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.

$25 USD/hr
172 Reviews
6.2
  • 94%Jobs Completed
  • 98%On Budget
  • 97%On Time
  • 22%Repeat Hire Rate

Recent Reviews

  • image of SJohann14 Kendo Grid update2 $40.00 USD

    “Nicely done!”

    SJohann14 Flag of United States 21 hours ago.
    • C Programming
    • Java
    • JSP
    • Javascript
    • C++ Programming
    • Hire me
  • image of sagarpelluri java 3 tier architecture using servlets $30.00 USD

    “this person is simply awesome. done my work on time and as expected. thanks to you. hope to work with u soon :)”

    sagarpelluri Flag of United States 4 days ago.
    • Java
    • SQL
    • HTML
  • image of SJohann14 Kendo UI - GRID $100.00 USD

    “Another job well done! Thanks!”

    SJohann14 Flag of United States last week.
    • C Programming
    • Java
    • JSP
    • Javascript
    • C++ Programming
    • Hire me
  • image of SJohann14 Spring MVC $100.00 USD

    “Always great and a pleasure to work with!”

    SJohann14 Flag of United States last week.
    • C Programming
    • Java
    • JSP
    • Javascript
    • C++ Programming
    • Hire me
  • image of projecthelp9 simple Java Project - open to bidding $30.00 USD

    “He is a scam. did all wrong and stopped replying.”

    projecthelp9 Flag of United States last week.
    • C Programming
    • Java
    • Algorithm
    • C++ Programming
    • Mathematics
  • image of SJohann14 HTML page not displaying properly $50.00 USD

    “Nicely done! Thanks again!”

    SJohann14 Flag of United States 2 weeks ago.
    • C Programming
    • Java
    • JSP
    • Javascript
    • C++ Programming
    • 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

Exams

  • Freelancer Orientation
    90%
  • Numeracy 1
    98%
  • HTML Level 1
    83%
  • java-ee-6 1
    88%
  • SQL Level 1
    93%
  • C# 1
    85%
  • Java Level 3
    78%
  • C 1
    80%
  • C++ Level 1
    75%
  • US English Level 2
    75%

My Top Skills

  • Java 173
  • Javascript 40
  • JSP 25
  • C++ Programming 23
  • C Programming 22
  • C# Programming 15
  • HTML 13
  • SQL 7
  • .NET 5
  • J2EE 4
  • ASP 3
  • AJAX 3
  • JavaFX 3
  • UML Design 2
  • Windows Mobile 2
  • jQuery / Prototype 2
  • XML 1
  • Windows Phone 1
  • Android 0
  • Web Scraping 0

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