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danchoe2011

Senior iOS /Android /Web Developer

Username: danchoe2011

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Location: Dandong, China

Member since: April 2011

Reputation:

4.9/5

(95 reviews)

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5 users have recommended this freelancer.

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My projects:

  • [Sealed]
    5.0
    Profile image for Seller ayani12009

    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]
    [more]
  • $2580 USD
    5.0
    Profile image for Seller gustavoschv

    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.
    [more]
  • $34984 USD
    5.0
    Profile image for Seller viprealty

    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.
    [more]
  • $1563.8 USD
    5.0
    Profile image for Seller jbcrowdcontest

    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...
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  • $515 USD
    5.0
    Profile image for Seller iconade

    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...
    [more]
  • $881.9 USD
    5.0
    Profile image for Seller matcheditpro

    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...
    [more]
  • $1070 USD
    5.0
    Profile image for Seller moomyz

    moomyz

    Sep 22, 2013

    perfect work

    Project Description:work smoothly as ios version
    [more]
  • $60 USD
    5.0
    Profile image for Seller Terralever1

    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...
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  • $1550 USD
    5.0
    Profile image for Seller moomyz

    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
    [more]
  • $300 USD
    5.0
    Profile image for Seller moomyz

    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
    [more]
    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

    [more]
  • $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

    [more]
  • $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

    [more]
  • $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---------------------------------------------------------------------------------------------------------------------------------------------------------

    [more]
  • $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 experience.to qualify either app, you need to provide previous finished work so we can decide if you qualify.

    [more]
  • $500 USD In Progress

    Need the Android Java project called Click Pow.

  • $2105 USD Yesterday

    Development of social media mapping for Android SDKRequirements-Enable real time location of user-Design of app layout -Expand categories-Add Miscellaneous option to menu-Add Deals option to menu-Enable reminders function-Enable option to turn off/on real time location of userWill update on addition details in couple more days

    [more]
  • $52 USD/hr Yesterday

    This project is a simple gallery application in Android and iOS with 30 pictures that can be swiped back and forth like a book, and also has pop up buttons which appear in the corners that indicate next and previous pages.

    [more]
  • [Sealed] Yesterday

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

  • $526 USD Yesterday

    A simple relaxation app that plays relaxing music.You navigate the app by swiping left or right, each screen is a full screen image with a play/pause button.I need to be able to change images and music and add additional screens/tracks with updates.All graphics supplied.

    [more]
  • $1473 AUD Yesterday

    Need to build an app to locate and pin point perticular POIs from a database

  • $2368 USD 4 days ago

    We are looking for a developer(s) to create an app for android and apple mobile devices to create a platform that allows people to buy sell and trade textbooks. It is a location based app. When you respond to this description please type the code bookit.

    [more]
  • $1578 USD 4 days ago

    I need to create simple photo editor for iPhone and/or iPad.The user can choose any image from his phone gallery and add simple text or comment over the image.The user can choose size, font, color and location of his text.The user can save the edited image locally or share it directly from the app.The user can share the application link on Facebook or Twitter.We will place water mark on each image created by the app.Few more features will be discussed with the winner developer.

    [more]
  • $1052 USD 4 days ago

    Looking for a application that will read the android phones GPS data, then display and send it via Bluetooth to a paired device. The application should scan and list all Bluetooth enabled devices.The intended device will be an Arduino.there should be a button that when pressed sends the informationeclipse project files will be required for emulator testing

    [more]
  • $526 USD 4 days ago

    We want to make a basic incident management system You will have a section for management that users will type admin. only one for each office. Users with only basic role Appointed incidents may send their configuration data. Then will be able to see their function than answer each administrator. 1. I will provide you design2. I will provide you Admin panel3. I will provide you php backend for site4. this App have only 4 UI5. I need only portraitThanks, Good Luck

    [more]
  • $1578 USD 4 days ago

    I am looking for a programmer who can simulate this app:http://j23.co/https://itunes.apple.com/us/app/j23-jordan-release-dates-history/id497880658?mt=8&ign-mpt=uo%3D4I just want to have shoe information on the page. When you click the page, it will lead you to the product information. This is my second iPhone application, my first was a graphics game so I am unaware of the price of this app. The lowest bid wins/

    [more]
  • $5263 AUD 5 days ago

    I need someone to create an iOS app for my business. The app should be functional and professional. The app should also follow the branding of my business.Please message me if you have any questions.

  • $1052 USD 5 days ago

    I want to develop an iphone app that would communicate with the Fitbit device based on a predefined criteria.

  • $1052 USD 5 days ago

    I need to create a Camera Application. Very Simple should not take more than a day or so.

  • $526 USD 5 days ago

    Me and my friends want to make an app that allows people to make and produce their own dance music on the go. We want to make it an easy experience for both beginners and also intermediate.

  • $526 USD 5 days ago

    Mac ApplicationI need a application that will collect data from google SERP.The application has to work on a MAC, and the souce code has to be provided with the application to allow future modification and enhancement.The activity of the application is quite simple:The application has to make query on google search engine and collect the first 20 organic result for each query.The requested queries are to be organized in projects, each project consist in following data:1.Name of the project2.Date of creation of the project3.Target search engine : e.g. google.it / google.com / google.de4.Target language of search5.List of keyword to be searched.The application has to track the log of the search and mantain a log of search activityThe application has to reach google directly from MAC or through a proxy that can be provided IP:port (a setting panel has to be present to store this data), a setting page with delay between query has to be availableThe activity of the program is the collection of the first 20 organic url in search result for every project.The app has to have the opportunity to do this activity manually (a simple button to trigger the query) or by scheduling this activity (interface with calendar an possibility to schedule repetitive task)Each time we run the update the program has to do the following activity:for each query:1. visit each result page (1-20results, first two pages) 2. extract from each page the following metatags (content text): •Title of the page •Meta Keyword of the page 3. for each content text (title and Meta keyword) has to calculate three key performance indicator:•Number of occurrence of the keyword searched in the content text•Density of the keyword in the content text•Prominence of the keyword in the content textTo made simple this step I attach the php code of the three kpi just below ---------------------------------------------------------------------------------function ContaOccorrenze($fraseo,$parola){$fraseo2 = trim($fraseo);$parola2 = trim($parola);$lf = strlen($fraseo2);$lp = strlen($parola2);$frasesp = str_replace( $parola2 , &quot;&quot; , $fraseo2 );$lsp = strlen($frasesp); $diff = $lf - $lsp;$contocco = $diff / $lp;return $contocco;}function Densita($frased, $parola){$base = ContaOccorrenze($frased, $parola) * strlen($parola) / strlen($frased);return $base;}function Prominenza($frasep, $parola){$occo = ContaOccorrenze($frasep,$parola);if ($occo != 0){$base = 1 - STRIPOS($frasep , $parola, 0) / strlen($frasep);} else {$base = 0;}return $base;}------------------------------------------------AT THIS POINT WE HAVE COLLECTED FOR EACH PROJECT A TABLE OF 20 LINE FOR EACH KEYWORD WHERE WE HAVE SEVERAL COLUMNS:URL (serp results 1) | Title content text | Metakeyword content text| Title number of occurrence of keyword searched| Title Density of keyword searched | Title Prominence of keyword searched | Metakeyword number of occurrence of keyword searched| Metakeyword Density of keyword searched | Metakeyword Prominence of keyword searchedTHE POGRAM HAS TO ALLOW THE VISUALIZATION OF THIS TABLE ON THE SCREEN TO ALLOW CUT-PASTE ACTIVITY WITH EXCEL WORKSHEETWith this data the ideal KPI for each pair •searched keyword/title•searched keyword/meta keywordhas to be calculated as weighted average of the kpi (weight 20 for 1st result of the serp weight 1 for 20th result of the serp) and this data has to be stored in the project BASED ON ALL WHAT DESCRIBED THE MAC PROGRAM HAS TO COLLECT FOR EACH PROJECTS ALL THIS DATA. STORE THOSE IN AN INTERNAL REPOSITORY AND HAVE THE ABILITY TO EXPORT FOR EACH PROJECT A CSV FILE WITH ALL THE INFORMATIONS.

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  • $315 AUD 5 days ago

    We have a standard Excel spreadsheet that we use to track completed events and we would like to use on an iPad. We would like to have a &quot;front page&quot; or Control panel that summarises the progress for each project.Eventually we would like it to be available to various parties to allow them to submit documentation and monitor the progress of their project.

    [more]
  • €4210 EUR 5 days ago

    Desarrollo de una aplicación de tracking de smartphones utilizando Xamarin como entorno nativo multiplataforma.Tiempo esperado de desarrollo de 6-8 semanasFunciones básicas requeridas:Localización en base a GPS y CeldasEnvío de posición por tiempo y distanciaEnvío de eventos por parte del usuario (panico)Envío de mensajesEnvío de emailsConsumo de batería optimizadoetc...Contactar para mayor información en caso de necesitarla.Tiempo de comienzo del proyecto: inmediato

    [more]
  • €2368 EUR 5 days ago

    we have a functional product working on native android and need it converted to run on iOS. Experience with large scale deployments is a big advantage

  • $526 USD 5 days ago

    We have a mobile app project that was built through BiznessApps - an online app builder. It seems that we have a bunch of HTML pages inside of our app and Apple will not approve them. What we&quot;re looking for is someone to take our HTML pages and build them into an app. Here are the functions that we need completed.1. Search Page - Connects to Mysql database to return products on the page. This is already built as responsive, so we just need some tweaking and to connect to the mysql database. 2. Contact - Contact information for the company. 3. Quote - Form filled out inside the app. 4. Preferred - Form 5 RSS Reader - Reads RSS Feeds and show them in the App 6. Blog - Pulls RSS Feeds and shows them in the App7. Social - Shows social properties8. About Us - Page with information about the companyI can give access to the mobile app preview so you can see it and we have all the files and resources for the developer. Looking for someone who can make this happen. IMPORTANT - WE WANT THE APP TO BE ALL INCLUDED - NOT ACCESSING WEBPAGES. THIS IS VERY IMPORTANT FOR GETTING IT APPROVED WITH APPLE. THIS IS FOR A COMPANY WHO SELLS EQUIPMENT. THE WORK IS DONE, JUST NEED SOMEONE TO BUILD IT OUT QUICKLY FOR US AND SEND US THE FILES.Thank you for your interest.

    [more]
  • €1578 EUR 5 days ago

    We need an expert in development of mobile apps who is able to create for us a requirements specification for a future development project.ATTENTION: this freelancer.com project does NOT include the development of the app, but if the awarded freelancer deliveres a good solution, he has better chances for a future hiring.Please see attached PDF file for detailed InfoFor further questions please do not hesitate to contact us

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    danchoe2011 does not have any open projects.
    danchoe2011 does not have any work in progress.
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Portfolio

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Résumé

Experience

CEO

Jan 2010 - Present (4 years)

YILIN IT INC

CEO of YILIN IT INC

Project Manager

Jan 2005 - Jan 2010 (5 years)

YILIN IT INC

Web Solution & Mobile App Project Manager

Developer

Jan 2003 - Jan 2005 (2 years)

YILIN IT COMPANY

Mobile Phone Developer

Education

Bachelor

Shanghai Jiao Tong University

2006-2010

Master

Beijing University of Technology

2001-2003

Certifications

SCJP

Sun Micro Systems

SCJD

Sun Micro Systems

Sun Certificated Java Developer

Zend Certified PHP Developer

Zend

Exam Result : 92%

Publications

iOS App Development Experience

YL Publish Co.LTD