Profile image of wangping1126
@wangping1126
Flag of China 河北省保定市, China
Member since August, 2013
10 Recommendations

Wang Ping

Chat App, Social Network App, E-Commerce App development Over the last 5 years, I have developed iPhone/iPad/Android Chat App, AppMobile Websites, Real Estate, Ordering Apps, Social Network Apps and Photo, Video, Audio Editing / Filtering / Sharing apps, Utility Apps, Augmented Reality, Cocos2D & OpenGL Games, VOIP, Bluetooth, GPS, SMS Messaging Apps.. I have perfect experience in following areas. - Chatting App, Ordering&Real Estate&Social Apps : XMPP, RTP, CMS, Backend Development, Website Development, Mobile Website App, Warehouse System, EBook App, News App, Social Network App, Event Management, Paypal API, Core Location/GPS , Zillow API, MapKit, Following, GeoLocations/Places API, JSON/XML, CoreData/SQlite, Web service, JSON, XML, RSS, SOAP, PHP, MYSQL, Instagram/Facebook/Twitter API, Zend, Codeigniter, Instagram API, Facebook API, Twitter API. - Photo : Camera Effect, Internal Library, Drawing, Painting, Vector, Multi-Stickers, Face Recognition, Vectors on Toolbar, Cropping( Lasso, Wand ... ), Rotating, Resizing, Filtering( RGB Filtering, Sketch Filtering, Mask Filtering ...), Text Insertion( Font, Size, Color Changing ), Drawing Color Selection, Zoom In/Out, Undo/Redo, Photo Animation, Photo Sharing, Following. - Video : Camera Effect, Video Editing, Video Merge ( Watermark, Video-Voice, Video-Audio...), Video Filtering, Video Overlay, Video Live Streaming, Video Live Merge, Playing with YouTube Videos, Video Converting, Internal Library, Video Filtering, Text Insertion, Headphone Effect, Video Sharing, Following. - Audio : Karaoke, Recording Effect, Music Merge, Audio Editing, Equalizer, Piano, Guitar, MIDI, Music Streaming from Radio Station, Audio Effects( Echo, Reverb, Ring Modulation, Flanger, Tremolo, Vibrato, Chorus and Wahwah ), Audio Filtering, Pitch Changing, TTS, Voice Changing. - Games : Augmented Reality games, Cocos2D Render Engine, Box2D/Chipmunk Physics simulator Engine, Corona multi-platform RenderEngine, Unity3D for 3d Game, Game Center/ Open faint for Score management and Multiplayer, Trivia Quiz Games - VOIP/Asterisk/Bluetooth/SMS : Asterisk PBX, FreePBX, Elastix, SER and OpenSER/Kamailio SIP servers, Fluent in SIP, SS7, IAX, RTP, T38, ISDN, STUN, SDP, Ethernet, TCP/IP, DHCP protocols, Cisco routing (BGP, OSPF), Switching, LAN, WAN, ACL, QoS, VLAN. I have some additional experience in the following areas: In App purchase, Push Notification, Ad network integration, UI Graphics Design and iOS 7.0 update. - Image Processing (Digital Image Processing, Image Capture, Image Editing, Image Segmentation, Image Analysis, Image Manipulation, Filtering, OpenGL, OpenGL ES, OpenCV, Paint Drawing, Mask, Saturation, Sharpness, Contrast, Hue, Brightness, etc) - Image Recognition (Face Recognition, Blur Detection, Edge Detection, Crack Detection, Color Detection, Motion Detection, Corner Detection, PDF Recognition) - Speech Processing (Speech Recognition, Text-To-Speech, OpenEars, VocalKit, iSpeech, Voice changing, Pitch Detection, Filter, Noise Reduction, Speech Codec, etc). - Audio Processing(Music Streaming, YouTube Streaming, Audio Editing, Audio Mixing, Audio Channel, Audio Effect, MIDI creation, Headphone, Loudly Speaker Controlling, Audio Converter, Radio Station on google map, OpenAL etc) - Games : Cocos2D Render Engine, Box2D/Chipmunk Physics simulator Engine, Corona multi-platform RenderEngine, Unity3D for 3d Game, Game Center/ Open faint for Score management and Multiplayer, Trivia Quiz Games - Video Processing (VOIP, Live Streaming, Editing, Filtering, Mask, Cropping, Video Converter, Watermark, YouTube synchronization, FFMpeg, etc,). - Paint and Drawing (OpenCV, OpenGL, Color Scan). - Aviary SDK, GPUImage. - Backend, Web service, JSON, XML, RSS, SOAP, PHP, MYSQL - Barcode, QR scanner, - Dynamic PDF Report Generation Technology. - IP camera Technology. - Wi-Fi, Bluetooth. - iCloud, iBooks. - Facebook, Twitter, YouTube, Flicker, Instagram, Pinterest - In App purchase. - Push and local notification, Calendar, Alarm - Core graphics, Core image, OpenCV, Opengl, Animation - Googe Map, GEO, Foursquare, GPS tracking. - RSS feed. - Advertise : iAd, Admob, Adwirl, Revmob, Chartboost, Flurry, Tapjoy, Mobclix - Testflight, Github, Bitbucket, SVN --- Others : I have good English Skills and I am an honest and skillful developer. I have great experience to troubleshoot various problems in short time and work with great responsibility from first to finish on projects. I give guidance or help for uploading app to Appstore successfully. It's my best pleasure to provide my customers good quality result in time under the " No Satisfaction, No Payment ". Thanks for your reviewing my profile.

$30 USD/hr
23 Reviews
7.0
  • 82%Jobs Completed
  • 85%On Budget
  • 90%On Time
  • 14%Repeat Hire Rate

Recent Reviews

  • image of inWordsteam Write an iPhone messenger application €5950.00 EUR

    “Good job. Good communication.”

    inWordsteam Flag of Germany 1 month ago.
    • Mobile Phone
    • iPhone
  • image of Ronaldj2008 NeighborhoWho? $1334.00 USD

    “Wang did a good job of following up and was very patient.”

    Ronaldj2008 Flag of United States 1 month ago.
    • Mobile Phone
    • Android
  • image of JonMD Codename One $3275.00 NZD

    “Wang was exceptional working with us on our project. Extremely good communication left us with no doubt that he understood all our requirements. A very positive experience for us, highly recommended.”

    JonMD Flag of New Zealand 2 months ago.
    • Mobile Phone
    • iPhone
    • iPad
    • Mobile App Testing
  • image of Ronaldj2008 Neighborhood Safety App 2 $3300.00 USD

    “Wang is dedicated to doing good work.”

    Ronaldj2008 Flag of United States 3 months ago.
    • Mobile Phone
    • iPhone
  • image of boohaha Need from end of app developed $555.00 USD

    “did exactly what i asked for.”

    boohaha Flag of United States 4 months ago.
    • iPhone
    • Android
    • HTML5
  • image of makaycon Looking to have an iPhone app made $3131.00 AUD

    “Wang did an excellent job with my app and was able to help guide me through the process since this was my first go at building an app”

    makaycon Flag of Australia 5 months ago.
    • Mobile Phone
    • iPhone
    • Cocoa
    • Mac OS
    • Objective C

Experience

Lead Developer

Nov 2012 - May 2013 (6 months)

I have worked in LockedOn Interactive Pty Ltd as a Lead developer.

Lead Developer

Apr 2008 - Nov 2012 (4 years)

I have worked as a lead developer in Mapscovery LLC

Education

Diploma, IT Science

2004 - 2008 (4 years)

Certifications

Zend Certified PHP Developer (2009)

Designed for employers, the PHP Yellow Pages is a global directory of PHP experts who have achieved the highest PHP accreditation available--Zend Certified Engineer.

Publications

iOS App Development Experience

This book is describing professional iOS experience.

Badges

  • Neighbourhood Watch

    Reporting a user who violates our terms of service
  • Smooth Operator

    Complete 10 projects on time.
  • Simply the Best

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

    Complete 10 projects on budget.
  • The Cap-tain!

    Reach the level 20 level cap!
  • The Enforcer

    Reporting a project or contest that violates our terms of service.
  • Feedback Guru

    Receive 10 reviews
  • The Critic

    Post 10 Reviews.
  • Mover and Shaker

    Create 50 Milestones.
  • Millenium Proposal

    Bid on 1000 projects.
  • Deck the Halls

    Participated in the 2013 twelve days of Freelancer Festivities
  • The Collector

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

    Post a featured project.
  • Quick Pick

    Award your project within 24 hours of posting
  • The Giver

    Award your project to a Freelancer.
  • The Regular

    Log in every day for 1 week.
  • The Speculator

    Sponsor 1 bid.
  • The Spartan

    Bid on 300 projects.
  • Smart Money

    Create 10 Milestones.
  • Warren Buffet

    Complete a project worth over $1000 USD.
  • Proven Identity

    Complete your Email, Phone and Payment verifications.
  • US English Qualified

    Pass the US English Exam (Level 1)
  • All Star

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

    Complete your first project.
  • High Roller

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

    Bid within 2 minutes of a project being listed.
  • Nine-to-Fiver

    Win a project and accept the offer.
  • The Seeker

    Bid on 20 projects.
  • The Perfectionist

    Edited a bid.
  • The Verified

    Verify your payment method
  • Pro-Profile

    Complete your Profile 100%.
  • Mover and Shaker

    Create 50 Milestones.
  • Millenium Proposal

    Bid on 1000 projects.
  • Deck the Halls

    Participated in the 2013 twelve days of Freelancer Festivities
  • The Collector

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

    Complete a project worth over $1000 USD.
  • Smooth Operator

    Complete 10 projects on time.
  • Simply the Best

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

    Complete 10 projects on budget.
  • The Cap-tain!

    Reach the level 20 level cap!
  • The Spartan

    Bid on 300 projects.
  • Smart Money

    Create 10 Milestones.
  • All Star

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

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

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

    Reporting a project or contest that violates our terms of service.
  • Feedback Guru

    Receive 10 reviews
  • The Critic

    Post 10 Reviews.
  • The Investor

    Post a featured project.
  • Quick Pick

    Award your project within 24 hours of posting
  • The Giver

    Award your project to a Freelancer.
  • The Regular

    Log in every day for 1 week.
  • The Speculator

    Sponsor 1 bid.
  • Proven Identity

    Complete your Email, Phone and Payment verifications.
  • US English Qualified

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

    Complete your first project.
  • Fast Responder

    Bid within 2 minutes of a project being listed.
  • Nine-to-Fiver

    Win a project and accept the offer.
  • The Seeker

    Bid on 20 projects.
  • The Perfectionist

    Edited a bid.
  • The Verified

    Verify your payment method
  • Pro-Profile

    Complete your Profile 100%.

Exams

  • Android 1
    78%
  • Freelancer Orientation
    75%
  • US English Level 1
    78%

My Top Skills

  • iPhone 20
  • Mobile Phone 17
  • Android 9
  • Objective C 6
  • iPad 5
  • Blackberry 0
  • VoIP 0
  • Geolocation 0
  • Unity 3D 0
  • XMPP 0

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