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gordonmei

and invite this freelancer
Flag of China Chengdu City ,, China
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Member since March, 2012

10 years as a developer over 2 years android/ndk experience 7 years for 3D and opengl/opengles 2 years in iphone/ipad 1 years in WM phone

4.5 / 5
4.4 / 10

@gordongao

  • 36%Jobs Completed
  • 100%On Budget
  • 100%On Time
  • 8%Repeat Hire Rate

Top Skills

  • Mobile Phone
  • Android
  • Java
  • 3D Rendering
  • OpenGL
  • Perl
  • C Programming
  • Linux
  • iPhone
  • Game Design
  • SQL
  • Algorithm
  • Technical Writing
  • Software Architecture
  • Blackberry
  • Windows Mobile
  • Cocoa
  • Mac OS
  • Objective C
  • PhoneGap
+ show more

Recent Reviews

No reviews.

Experience

Dev Manager

Aug 2010 - Sep 2011 (1 year)

? As dev/line manager for iphone, android and BB team ? Closely corporate with PM , QM to finish project ? Responsible for rich application framework optimization ? Interface for rich application technology problem ? Take part in some and 3D UI development ? Deeply technology for android launcher part

Senior software engineer

May 2007 - Aug 2008 (1 year)

? Special effects such as, rotate ,self_lighten, zoom in/out ,and so on on j2me platform to form a basic lib for UI ? Design and coding a 3D software Engine for handset ,the structure of this 3D Engine is open and easy ,and also the engine can be encapsulated to popular 3D API ,such as opengles1.x , mobile 3D ,M3G (the codes for this 3D engine is about 80 thousand lines)

3D algorithm engineer

Jul 2005 - Jul 2007 (2 years)

o Focused on the R&D of 3D engine and algorithm, including scheduling the project, assigning the algorithm research tasks and solving the technical problems. o Constituted the pipeline, defined the data structure flowing in the pipeline. o Optimized the 3_D clipping algorithm o Worked over the Z Interpolation problems arising from Perspective. compared the z_buffer with w_buffer first, and then offered a new N/Z buffer to solve the Z Interpolation problem and improve the precision of Z. o Resolved t

Education

Bachelor Degree

1995 - 1999 (4 years)

Master

2002 - 2005 (3 years)

Badges

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    Complete 5 or more projects, with a 95% completion rate.
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  • Smart Money

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  • Warren Buffet

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

    Bid on 300 projects.
  • All Star

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  • The Adventurer

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  • The Biller

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  • The Perfectionist

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  • Fast Responder

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  • Look-At-Me

    Highlight 1 bid.
  • Insta-Hire

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  • The Seeker

    Bid on 20 projects.
  • The Speculator

    Sponsor 1 bid.
  • The Collector

    Reach a balance of 5,000 credits.
  • Warren Buffet

    Complete a project worth over $1000 USD.
  • Simply the Best

    Complete 5 or more projects, with a 95% completion rate.
  • Smart Money

    Create 10 Milestones.
  • High Roller

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

    Bid on 300 projects.
  • All Star

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

    Complete your first project.
  • The Biller

    Create an hourly invoice.
  • The Perfectionist

    Edited a bid.
  • Fast Responder

    Bid within 2 minutes of a project being listed.
  • Look-At-Me

    Highlight 1 bid.
  • Insta-Hire

    Use Hire Me to employ a Freelancer.
  • The Seeker

    Bid on 20 projects.
  • The Speculator

    Sponsor 1 bid.