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Bing Zeng

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Flag of China Nanjing, China
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Member since November, 2010

I am a professional developer for Java/J2EE, Android projects.I have 11 years experience on Java/J2EE programming,5 years experience on Android programming. I have a Master degree in CS (in 2006)from a Top5 China university.I have 6 years working experience as a senior Java developer/architect in a Fortune 500 company. I have implemented 80+ projects , including eCommerce websites,CMS,Automation tools,Web scrapers,Android book reader,GPS based apps etc. I am proficient in following technologies: ,Oracle. ,Apache,JBoss,Glassfish,Websphere ,JDBC JMS,Spring,Hibernate,Struts,JFace etc. 4. Android SDK,GPS,Google Map etc platform your demands, our supplies; your satisfaction, our destination!

4.9 / 5
7.4 / 10

@IMSeriousBidder

  • 64%Jobs Completed
  • 100%On Budget
  • 96%On Time
  • 22%Repeat Hire Rate

Recent Exams

  • General Orientation Top 1%
    90%
  • Freelancer Orientation Top 2%
    85%
  • Java Level 2 Top 22%
    83%
  • java-ee-6 1 Top 22%
    80%
  • US English Level 1 Top 61%
    83%

Top Skills

  • Java
  • JSP
  • J2EE
  • Android
  • Mobile Phone
  • XML
  • HTML
  • MVC
  • Python
  • C Programming
  • Linux
  • iPhone
  • Web Scraping
  • Ruby on Rails
  • Oracle
  • Cold Fusion
  • FreelancerAPI
  • XSLT
  • TaoBao API
  • Android Honeycomb
+ show more

Recent Reviews

  • image of mohtar93 Completion of My Java Program $225.00 USD

    “Wasnt able to complete the project, seriously let me down.”

    mohtar93 Flag of United Kingdom 9 months ago.
    • Java
    • MySQL
  • image of mohamedmead JSP Project £240.00 GBP

    “Great experts will hire him again”

    mohamedmead Flag of United Kingdom 10 months ago.
    • JSP
  • image of Oakford System Monitoring Application Developer (Java) $1480.00 USD

    “The project is not completed according to the dispute”

    Oakford Flag of United Kingdom 10 months ago.
    • Java
    • Software Development
  • image of sulayfred Taxi Dispatch and App Administration - add more features to current version $600.00 USD

    “very poor communication, does not keep promises and doesnt reply for days”

    sulayfred Flag of Germany 11 months ago.
    • Java
    • Software Architecture
    • MySQL
    • Website Management
  • image of benosin2002 I need two projects done $420.00 USD

    “He ran into some obstacle and I can understand that because he has never failed me before.”

    benosin2002 Flag of United States 11 months ago.
    • Java
    • J2EE
    • Hire me
  • image of bluenos Twitter for CAD $950.00 USD

    “Great developer. Understanding the problem and gives accurate solution. I'll recommend him again.”

    bluenos Flag of Greece 12 months ago.
    • Java
    • CAD/CAM
    • Natural Language
    • MySQL
    • Data Mining

Experience

Senior Java developer

May 2008 - Jul 2010 (2 years)

Being a memeber for designing a large-scale E-commercial website . Implement own Messaging,Cache system in Java for high perforamce!

Education

Master

2005 - 2008 (3 years)

Certifications

SUN cerficated Java developer (2006)

Sun Certified Java Programmer!

Badges

  • The Regular

    Log in every day for 1 week.
  • The Achiever

    Accept 50 projects.
  • Millenium Proposal

    Bid on 1000 projects.
  • The Cap-tain!

    Reach the level 20 level cap!
  • The Multi-tasker

    Complete 40 projects.
  • Nine-to-Fiver

    Win a project and accept the offer.
  • Essential Credentials

    Update your account details 100%
  • Grand Tourer

    Visit all recommended features that Freelancer.com offers
  • Smooth Operator

    Complete 10 projects on time.
  • Feedback Guru

    Receive 10 reviews
  • The Critic

    Post 10 Reviews.
  • The Biller

    Create an hourly invoice.
  • The Economist

    Complete 10 projects on budget.
  • The Spartan

    Bid on 300 projects.
  • Mover and Shaker

    Create 50 Milestones.
  • The Speculator

    Sponsor 1 bid.
  • US English Qualified

    Pass the US English Exam (Level 1)
  • Warren Buffet

    Complete a project worth over $1000 USD.
  • The Collector

    Reach a balance of 5,000 credits.
  • The Verified

    Verify your payment method
  • The Adventurer

    Complete your first project.
  • Smart Money

    Create 10 Milestones.
  • The Trader

    Convert more than $1000USD (or equivalent) to another currency.
  • The Perfectionist

    Edited a bid.
  • Look-At-Me

    Highlight 1 bid.
  • The Seeker

    Bid on 20 projects.
  • Fast Responder

    Bid within 2 minutes of a project being listed.
  • Insta-Hire

    Use Hire Me to employ a Freelancer.
  • All Star

    Receive a 5-star rating for a project.
  • High Roller

    Complete a project worth over $500USD (or equivalent) on Freelancer.com.
  • Millenium Proposal

    Bid on 1000 projects.
  • Mover and Shaker

    Create 50 Milestones.
  • Warren Buffet

    Complete a project worth over $1000 USD.
  • The Collector

    Reach a balance of 5,000 credits.
  • The Achiever

    Accept 50 projects.
  • The Cap-tain!

    Reach the level 20 level cap!
  • The Multi-tasker

    Complete 40 projects.
  • Grand Tourer

    Visit all recommended features that Freelancer.com offers
  • Smooth Operator

    Complete 10 projects on time.
  • The Economist

    Complete 10 projects on budget.
  • The Spartan

    Bid on 300 projects.
  • Smart Money

    Create 10 Milestones.
  • The Trader

    Convert more than $1000USD (or equivalent) to another currency.
  • All Star

    Receive a 5-star rating for a project.
  • High Roller

    Complete a project worth over $500USD (or equivalent) on Freelancer.com.
  • The Regular

    Log in every day for 1 week.
  • Nine-to-Fiver

    Win a project and accept the offer.
  • Essential Credentials

    Update your account details 100%
  • Feedback Guru

    Receive 10 reviews
  • The Critic

    Post 10 Reviews.
  • The Biller

    Create an hourly invoice.
  • The Speculator

    Sponsor 1 bid.
  • US English Qualified

    Pass the US English Exam (Level 1)
  • The Verified

    Verify your payment method
  • The Adventurer

    Complete your first project.
  • The Perfectionist

    Edited a bid.
  • Look-At-Me

    Highlight 1 bid.
  • The Seeker

    Bid on 20 projects.
  • Fast Responder

    Bid within 2 minutes of a project being listed.
  • Insta-Hire

    Use Hire Me to employ a Freelancer.