Profile image of IMSeriousBidder
@IMSeriousBidder
Flag of China Nanjing, China
Member since November, 2010
8 Recommendations

Bing Zeng 

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!
$40 USD/hr
119 Reviews
7.4
  • 64%Jobs Completed
  • 100%On Budget
  • 96%On Time
  • 23%Repeat Hire Rate

Recent Reviews

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

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.

Exams

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

My Top Skills

  • Java 129
  • JSP 21
  • J2EE 14
  • Android 13
  • Mobile Phone 11
  • XML 9
  • HTML 8
  • MVC 6
  • Python 5
  • C Programming 3
  • Linux 2
  • iPhone 2
  • Web Scraping 2
  • Ruby on Rails 1
  • Oracle 1
  • Cold Fusion 0
  • FreelancerAPI 0
  • XSLT 0
  • TaoBao API 0
  • Android Honeycomb 0

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