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Senior iOS /Android /Web Developer

Username: danchoe2011

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Location: Dandong, China

Member since: April 2011



(95 reviews)

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5 users have recommended this freelancer.

My skills:

My projects:

  • [Sealed]
    Profile image for Seller ayani12009


    Mar 10, 2014

    Excellent iOS developer. Did a great job. I highly recommend danchoe2011 for any type of iOS app development. He is an expert in this area. Very Quick in work.

    Project Description:[This is a Private Project. You must be logged in to view the Project Description]
  • $2580 USD
    Profile image for Seller gustavoschv


    Jan 13, 2014

    Good work. Fast learner.<br/>

    Project Description:Medical app in progress. I need a complete version of iPhone app and then Android app. Hoping to seal the deal with Ying Mei&#039;s team. Medical app should include recommendations for patients.
  • $34984 USD
    Profile image for Seller viprealty


    Dec 11, 2013

    Sun is the best Developer I have ever worked with. He is always professional and helpful! He has worked with me over a couple of months to build a very large and proprietary IOS Application. Everything he develops is A+ quality, and always provides support for any bugs and/or corrections. I would highly recommend Sun for any project! He is now working for me on the next version of the Application and I hope to continue to do a lot more business with him! You will not be disappointed with Sun!<br/>Sun successfully completed our Version 1.0 of the ROV1 App! Best Developer! We will use him for the next couple of versions and highly recommend him!<br/>Great Work. Sun continues to be the best programmer for our app Projects!<br/>Great Developer. Sun is both fast and efficient! Never any errors! Great development manager<br/>Continues to be our best developer and great for support!<br/>Continues to provide great work and perfect support! Great developer!<br/>Great Developer! Sun is the best professional for any difficult development project! Exceeds all expectations. Highly recommend him!<br/>Great work and continues to be the best! <br/>Continues to be the best developer I know! Will continue to have Sun as my best project developer for Version 2 of my company application. <br/>Great Work! <br/>Great Work! Continues to be the best developer!<br/>Great Developer! Continues to be perfect! <br/>Very good Work! Perfect in all areas! Highly recommend<br/>Continues to be great! Perfect work and great support! <br/>Continues to be the best developer! Great work and support!<br/>Great work once again! <br/>Perfect! Will continue to work on all our Applications and new versions!Highly recommend working with Sun!<br/>As always, Perfect! <br/>The best developer. Has always met our deadlines, and quality of work is A++. Would highly recommend Sun for any project!<br/>The best developer. Will be our developer for all future work! Always on time and very reliable! <br/>Amazing developer. Would highly recommend Sun to anyone that needs the Best! <br/>Great Work! Keep up the great work. We could not have been this successful with IOS Applications without you Sun! The Best!<br/>The best developer! Period! Always on time, always delivering A+ Work! Great!<br/>Continues to deliver great work! <br/>Amazing Programmer.. Great Work. <br/>Great Work and very good in helping decide best logic to implement in our company App! Perfect.<br/>Great Work!<br/>Great work and understanding. Very helpful in deciding the best logic options with me. Appreciate all the hard work. <br/>Great work!<br/>Continues to improve company application! Great Work!<br/>Quickly integrated complex features into our application. Great developer.<br/>Very great programmer. Knows how to implement it all!<br/>Quick, efficient developer! Great IOS developer! <br/>Great Work as always. Quick and great quality work. <br/>Great Work. Always understands scope of work!<br/>Quickly completed all tasks and updates. Great work. <br/>Great Work!<br/>Completed the updates perfectly! Thanks!<br/>Great work. <br/>Great Work. Perfect<br/>Amazing IOS developer! Best I have worked with!

    Project Description:Continue the development and support of our real estate application. Continue to build application database, user interface, and assist in debug period. Will also consult on the distribution via iTunes.
  • $1563.8 USD
    Profile image for Seller jbcrowdcontest


    Dec 1, 2013

    Great Quality Work!

    Project Description:Develop an Application for a Destination in Northern Virginia to use as a holiday inspired engagement tool focusing on users creating a custom wine label and having the ability to share that label with their friends and family via social media, email and SMS...
  • $515 USD
    Profile image for Seller iconade


    Nov 20, 2013

    Perfect! Very professional job. Thanks

    Project Description:Hello, I am looking for somebody to help me to create a iphone/ipad app for my website. The application should connect to the homepage, just like a browser (without navigation bar). Users can search for something(my website is a search engine) and get the results in the same page...
  • $881.9 USD
    Profile image for Seller matcheditpro


    Nov 13, 2013

    Highly skilled, works very hard, very capable, incredibly fast, will use again.

    Project Description:I have an existing fully functioning iOS app that is integrating with an existing and fully functioning WordPress theme, can you change the look and feel of only the iOS app to my design specifications? Not looking for new functionality only design changes to the iOS app...
  • $1070 USD
    Profile image for Seller moomyz


    Sep 22, 2013

    perfect work

    Project Description:work smoothly as ios version
  • $60 USD
    Profile image for Seller Terralever1


    Sep 19, 2013

    Great freelancer! Incredibly fast and exactly as requested.

    Project Description:There is an existing web site. I want to create a working copy of one page from that web site on a different server. You will not have access to the source code. Instead, you must look at the public HTML, CSS, and images...
  • $1550 USD
    Profile image for Seller moomyz


    Sep 17, 2013

    Bugs were solved, faster than expected .app is running smoothHigh quality- amazing job as always

    Project Description:De Bugging iPhone 5 app and make it work smoothly
  • $300 USD
    Profile image for Seller moomyz


    Aug 31, 2013

    fast and professional, now app is much faster with no bugs

    Project Description:the app has problem scrolling, when there is many pics
    danchoe2011 has not completed any projects.
  • $38 USD/hr In Progress

    I need to design mobile application on IPhone & IPad to use the camera of the phone to capture image and video and make some modification on the image to be in a cartoon style but the picture&Video should be in high resolution. I will reflect the original image to cartoon style , So when I look to the picture or video after processing should I know who is in the picture.all the pictures and video will be saved in the memory of the phone.all the details will be discussed later.regards

  • $300 USD In Progress

    The app has been built and runs on ios7, however it was rejected by the app store as not being compiled in ios7 sdk and or not being optimised for iphone5s. When I recompile the project there are a number of deprecated libraries that provide a warning. I have have the source code I can send through and I simply need it made suitable for ios7, optimised for the iphone 5s and the deprecated libraries

  • $35 USD/hr In Progress

    Dear Sun,We are interested in creating an IOS and Android app for our retail outlets.Our retail business is Swimming pool shops were we test clients swimming pool water, sell chemicals, swimming pool equipment, service of swimming pools.The app we create will need to have the following features and functions.1) push notifications to advise clients to bring water in for testing.2) service and inquiry booking form.3) location map of our locations.4) contact details.4) local weather updates and forecasts.5) access to our social pages.Could you advise if you are able to create these apps.If so could you give me costing.Kind RegardsFrank

  • $3608 USD In Progress

    it will be same feature as the ios version

  • $38 USD/hr In Progress

    Continue to develop the ROV1 App for VIP Global Realty and VIP 1-Step Process.

  • $39 USD/hr In Progress

    Already discussed with developer. The app is a video app that allows to stitch various videos together and make one video which plays simultaneously.

  • $3000 USD In Progress

    I would like app created in 4 platforms beginning with apple.

  • $1546 USD In Progress

    General OverviewAugmented Reality app for the iOS environment. Utilize Geo-location markers to locate local businesses.---------------------------------------------------------------------------------------------------------------------------------------------------------- We need help completing an AR app (See specifications below)- The app has been designed - A lot of the app has been programmed using ARLabs software (See &quot;Completed&quot; notes below)- We also have a test version of the app- Selected programmer will receive source files- We have built the back-end for the admin and business database.---------------------------------------------------------------------------------------------------------------------------------------------------------- We are looking for a programmer that can customize ARLabs software (or AR software of your choice).- Experienced programmer only! - Excellent communication needed!- Schedule must be met!- Must provide links to existing Augmented Reality work- Responsible for set-up to app deployment in iTunes- Ability to add 3D models- Able to build corresponding apps for iPhone, iPad ---------------------------------------------------------------------------------------------------------------------------------------------------------Specifications1. OverviewAugmented Reality app for the iOS environment. Utilize Geo-location markers to locate local businesses.2. Views and Functionality (See attached design)A. Home: / Completed /- Opening screen- Link to Categories screen- Link to Info screenB. Favorites: / Completed /- List of saved businesses- Click to business Message- Remove Favorite by clicking star icon next to business- Notification: User sees updated message icon when Favorite business adds new message- Record users Favorites in admin of server C. Find (Augmented Reality) : / Almost completed - Need help here /- Utilize phone and iPad view- Display businesses within 1 mile radius- Click to business Message- 3D: User can view available 3D models based on business Geo-location - Current issues: / Need help here /1. Geo-location not correct2. Buttons overlap3. Clicking on some buttons not working properly4. Make sure that app runs smoothly5. Add 3D model featureD. Message: / Completed /- Pull info form database: Business name, address, phone, web, description and text- Click Call, Route or Web functionality- Save to Favorites- Sharing: Twitter, Facebook, LinkedIn: / Need help here /---- Call: Direct to phone functionality---- Route: Direct to map-route functionality---- Web: Direct to Safari browser functionalityE. Map: Review and make final adjustments: / Need help here /3. Programmer: - Programmers must sign non-disclosure before viewing specifications of this project.- Review overview and layout- Provide final design specifications, outline of services, cost and timeline- Platforms: iPhone 4, iPhone 4S, iPhone 5, iPad 2, iPad 3, iPad 4- App viewable in portrait and landscape view- Correct Geo-location scripting for address locations- Marcy Design will provide necessary server environment according to programmer&quot;s specifications.- All data updates will be made from Marcy Design admin panel- Double-check all sizes of text and buttons- Important: Make recommendations and improve design / functionality!4. Status- Design: / Complete / - AR map integration: / Need help here - See above /- Map/routing feature: / Completed /- Other features including social sharing: / Need help here - See above /- Testing and completion of app: / Need help here /- Submission and acceptance by iTunes: / Need help here /5. Timeline3 - 4 weeks total---------------------------------------------------------------------------------------------------------------------------------------------------------

  • $5500 USD In Progress

    develop a chat and sip application based on imsdoid for iphone and android phone.for iphone app, you need object c, apple development work experience.for andoid app, you need c and java qualify either app, you need to provide previous finished work so we can decide if you qualify.

  • $500 USD In Progress

    Need the Android Java project called Click Pow.

  • $3157 USD Today

    I am interested in a mobile app for both IOS and Android which has the following features: - Once the application is launched , a pop-up advertisement will be loaded as an image with the hot deals/special deals . If the user press on the image a link will be opened in an in-app browser windows to the offer mentioned or else he can close it.- The main page will have simply 4 buttons or menus : • Directory for all the free hotspot geographic locations which can be located on map upon request. • A Map for the all the free hotspot locations around me each with a pin on Google maps. • On Demand push notification for advertisement purposes as explained above. - A backend CMS or web application is needed to manage directory listings, map locations, advertisements, and all parameters on the app. • The app should to native. • Itunes and Google Play ready.Application must provide reference on Itunes or Google Play of previous work and have done at least one app.

  • $789 USD Today

    Hi,I need a good developer to build an Android app for an existing dating website which uses the dating script vldpersonals (Previous knowledge of this software is a plus, because it will allow you to work faster). I need the app to be native, which means no phonegap or similar.Basically the app will replicate the functions of the website, and data added or modified through the app will be available on the website and vice versa. This means app and website will work on the same DB.These functions on the website will not be available on the app: chat, videos, banner ads, upgrade. And I want on the app a new function not present on the website: list of mobile members by proximity, filtered by what the user is looking for.

  • $526 USD Today

    This is a project for building an iOS platform pharmacological software program, involving interaction between the user and several databases.User will input search string, which should return and display information (drawn from several databases) in a specific format. Databases will be provided in Excel format, and will need to be converted to formats appropriate for the android platform. Databases must be stored locally on the user&quot;s mobile device when the app is downloaded and installed.Ongoing technical support will be required from the Freelancer that this project is awarded to - looking for a long-term relationship.Thank you, and please contact me with any questions

  • $1184 USD Today

    Project Description: we have a small company with distribution cars for selling food staff morning sales men come and receive goods from store and take the goods on their cars to sell then come back at night with manual sales invoices for customers and then we have to enter those invoices manually again for the ERP we are using in my company.we want an android/Iphone/Windows Mobile application to be run on a tablet with a database this database will be synced with a Windows sql server database with two way -synchronization 1- morning : synchronization to the tablet to transfer customers and item file from ERP Microsoft sql database2- night : synchronization from the tablet to sql server to transfer invoices, sales orders,sales returns and receipt voucherProgram will have:- 2 language interface (We will provide translation in table)- Offline using (WIFI) and online Sync Using (Internet).- high flexibility for change and developing on it and its database- Easy and modern interface- barcode scanning support- Product Expiry Date Support if option checked- Printint for docs and reports with (Epson dot-matrix , HP , Receipt printers Zebra , tally , Etc..)- Export to csv file- Easy way to add new reports- GPS Tracking for the sales men and their cars* we will take the application source code* All Screen We provided is only for explain but not the desired one exept only for invoices screen we want to stick to most of it, if we can* We expect from you to do more feature with more flexibility but not less than what we askThank you and waiting for any inquiry even if it&quot;s very smallattached is our details about this application&quot;s functionality plus the tracking feature using GPS

  • $1184 USD Today

    My website is was nearly completed when my programmer had an accident.I have screenshots (attached) for how I want to app to look like.It&quot;s a medium-difficulty app. I need entire apps coded and submitted to App store and Google Play.Need this done within 2 weeks.I am verified US-buyer with excellent feedback.Please bid accordingly.

  • $526 USD Today

    I need to make an iphone apps for my e commerce site with the following pagesHome page with promotions / IntroBrand ListCategory/Subcategory ListProduct SearchAdd to Cart optionCheck Out optionNews/EventsImage GalleryVideo GalleryContact UsSettings

  • $526 AUD Today

    We are a production company in Sydney, Australia. We currently have lost our freelancer due to vacation for 6 weeks. We wish to continue to develop our iPhone applications and implement them in the android market also. We want to focus on creating utilities applications. We want to find a freelancer to focus purely on mobile applications. Our budgets for these mobile applications are $400-$650Look forward to finding a freelancer

  • $1184 USD Today

    Looking to integrate a dating website into a Phone app.The Phone App I need done is a texting / chatting site to communicate with friends and find new people other way to describe the app should be similar features to WhatsApp or Viber but a little bigger profile card.App should be written to major smartphones applications. the app should integrate with an already existing website.a second Phone App will be needed for a listing site but it will be right after the above project.Regards

  • $526 USD Today

    I need an application where I can display my music and person can download directly from the app. at first free then a monthly cost or yearly cost. this can be linked to Itunes or other music sales app.Music needs to be streamed in the back ground and stops if other audio application starts. updates and notification to be sent . I also need a dashboard to oversee, how many people have the app and where they come from..

  • $526 USD Today

    We want have an iPhone app created, existing of 2 screens only.First screen: Listing of 10 nearest locations from an existing API (most likely Foursquare).Second screen: Overview with picture and title. Also 2 buttons users can press. Button action needs to be saved to our database.Designs, API info and exact specs will be provided by us.

  • €1184 EUR Today

    Simple map based iphone application allowing the user to pinpoint thier location or set a location, order a vehicle and view its ETA. then a driver app allowing the driver to see the location pinpointed by the user, thus showing the quickest route for the driver.

  • $526 USD Today

    A communication service that facilitates effective connections between a school and parents through a mobile application.Allows users to receive customized content directly to their phone. Users can access school schedules, view parent communication, directly send emails to both administrators and teachers, all from their smart phone device. Helps the parent stay connected and have school information at their fingertips, anytime, anywhere. The app would allow for a read receipt or confirmation of receipt when parents opens the alert or message. The app’s capability doesn’t end there, the app would translate the information sent or receive in 10 or more languages.

  • $1052 USD Today

    The app will take a picture and send to webservice or restful serviceKind of development: New app from scratchDescription of every page/module: The app should be very simple. it will have 3 views : 1. main view with 4 buttons : take picture, select local picture , edit picture (using aviary), send picture (by selecting profile & custom input field)2. edit picture (with save option after edit)3. send picture- should have a settings page with custom profiles (could have unlimited profiles)Description of requirements/features: - minimim IOS6Specific technologies required: - native Objective C - IOSExtra notes:

  • $1052 USD Today

    Create a simple app that will list recipes from our existing mysql/php database/website -- list title, photo and description when a recipe is selected from the list including recipe ingredients. App updates new items into list as we add them to the db from our website. Integrate Google AdMob onto full page recipe when listing is selected. We need to be able to send push notifications from main website at will, which when selected will take user to main recipe page of listing that was &quot;pushed&quot;.We have all graphics and icons for the mobile application.

  • $4210 USD Today

    I need a talented iOS and Android developer to create a location GPS mobile app. This app will have social media capabilities. Only winner will get more details.

  • €789 EUR Today

    I want to make iphone and android aplication. I want from you to develop application and to give me source code. At the first page of application we have to make &quot;access by password&quot; or somehow... because you will have to pay to access aplication... after you enter you will see second page of aplication where I will post informations about football games, fixs and tips...Word &quot;boranija&quot; at start of your bid will let me know you are not spam-bot.Owner must have option to add new information to application and to give access to clients to enter this second part of application.PLEASE GIVE ME YOUR DEADLINES AND YOUR OFFERS!

  • £263 GBP Today

    I would like to create a android app for kids and will require assistance with the creation and already have ideas of what i would require.

  • [Sealed] Today

    [This is a Private Project. You must be logged in to view the Project Description]

  • $2368 AUD Today

    We would like to build an online booking and ordering system for our restaurant.Booking system:+ Display available time slots and corresponding tables available (depending on number of guests)+ Ability to book and confirm by entering contact details + SMS reminders+ Admin console which allows us to modify the available slots, and confirm or change existing bookingsOrdering system:+ Ability to order food online by browsing menu (already existent)+ Pick up or delivery at specified time+ Integrated with APPAndroid/ Iphone APP:+ Ability to make an online reservation+ Order from the menu+ Integrate the booking and ordering system for a mobile device

  • €3157 EUR Yesterday

    We have a working Android application that links to an Azure database. We&quot;ve decided to introduce the ability of users to be able to use an iOS device to make it more available.The current mobile application should be duplicated from UI to the web services it uses. The successful bidder will be able to take our android app and make sure we have a mirror image of it&quot;s UI and functionality within a tight time frame.

    danchoe2011 does not have any open projects.
    danchoe2011 does not have any work in progress.
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Jan 2010 - Present (4 years)



Project Manager

Jan 2005 - Jan 2010 (5 years)


Web Solution & Mobile App Project Manager


Jan 2003 - Jan 2005 (2 years)


Mobile Phone Developer



Shanghai Jiao Tong University



Beijing University of Technology




Sun Micro Systems


Sun Micro Systems

Sun Certificated Java Developer

Zend Certified PHP Developer


Exam Result : 92%


iOS App Development Experience

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