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The strongest survives.

iOS+Android Genius Since 2011

Username: jinlongwei

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Location: Beijing, China

Member since: August 2011



(27 reviews)

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4 users have recommended this freelancer.

  • $684 USD
    Profile image for Seller motorcycleusa


    9 days ago

    Good programmer. Would use again.

    Project Description:I need to develop and customise an IOS sip voip dialer . Siphon open source can be found here : . if you are familiar with this software, please let me know . Please only bid if you have used Siphon ...
  • $126 USD
    Profile image for Seller ransika


    12 days ago

    The coder is extremely committed and tried out many ways to get the work completed.

    Project Description:We need a android fragment which is done exactly as per the design. It should work work from Android 2.2 and above. The user takes the photo then when the next (>>) is clicked, the user sees what the photo taken is and then can draw on it...
  • €33 EUR
    Profile image for Seller Raizen21


    26 days ago

    quick and fast! Still looking forward to work with him

    Project Description:Hello All, I need a start screen for my app with an animation of a logo(color-fill animation) and a fade-in effect when the animation ends. Please look at the attachment for the desired animation(the logo needs to start blank and get filled with the blue color...
  • $210 USD
    Profile image for Seller appmaker4uz


    Mar 19, 2014

    Best freelancer on this site! Didn't sleep to finish my project. Excellent. Fast. Professional.

    Project Description:I have an existing chatting app and need the ability to upload images for a profile pic. I also need an iad banner added into my UI. Fast
  • $800 USD
    Profile image for Seller elliotl2005


    Feb 9, 2014


    Project Description:i have sent source code issues have been identified an All isues wiil be fixed so that its working perfectly
  • $1200 USD
    Profile image for Seller erikgyzen


    Jan 28, 2014

    Again, very high quality work and persistence to work through issues and barrier to get to the end goal. Also very patient and professional. Great asset to any team!

    Project Description: I have a simple excel pivot table that needs to go onto an iPad. Users must be able to interact with filters in the pivot table, but there is no need to change the headings of the table (ie the rows and columns)...
  • €1649 EUR
    Profile image for Seller valtino


    Jan 26, 2014

    Good Work i hope we keep contact ;)

    Project Description:Projet déjà réservé Finalisation d'une application iphone et web
  • $701 AUD
    Profile image for Seller erikgyzen


    Jan 21, 2014

    Quality of work was spot-on and delivered with very professional and fast service.

    Project Description:Project Description: I have an excel slicer and pivot table which I would like to put on iPad as an App. It needs to be stand-alone (but can be updated through icloud) be fully interactive and be non-transferrable...
  • $23 USD
    Profile image for Seller JediInParis


    Dec 25, 2013

    Good Job. Helped me fix bugs in my iPhone App.

    Project Description:I have an existing project and need to fix bugs which does not display (label and imageview) in TableViewCell Controller. The Storyboard, content and segue's are all in place but for some reason it does not display the DetailViewController when I click on the corresponding cell of a row...
  • €1400 EUR
    Profile image for Seller valtino


    Dec 10, 2013

    good work I recommend

    Project Description:Bonjour, Je recherche un développeur de préférence français. Travail d'équipe et confiance sont requis pour participer à ce projet ambitieux. Merci d'avance !
    The strongest survives. has not completed any projects.
  • $1000 USD In Progress

    I have an existing iPad app that shares pictures via Facebook and email, and I need to make a new version that shares videos instead of photos. You can download the current version from the App Store, its called BoofShare.To test, after installing click Settings, then click "Add Test Pictures".We"ll be making a new version of the app for private distribution, not through the App Store. The new version will only share videos, not photos.The videos are small in filesize, about 10 megs each.Here"s a list of changes to each screen. Gallery Screen (the screen that shows the pictures in BoofShare)- see attached gallery.jpg for a sketch of what this should look like- make each video thumbnail larger, as in the sketch- gallery-bg.jpg should be the background imagePlayback Screen- this is what the user sees when they click a video.- see attached playback.jpg for a sketch of what this screen should look like- you can see the current version of this screen when you click a picture in BoofShare.- note that we"ll be removing all the buttons from the top, replacing them with the buttons in playback.jpg- we"ll have a hidden button to access the Settings at the top left. So touching the top left 50x50 pixels will go to Settings, just like the Settings icon does now.- user can share to Facebook, Email, and YouTube- note that YouTube sharing isn"t currently in the app, so we need to add that (see below)Facebook Sharing- we"ll be keeping the current method of Facebook uploading, except we"ll be uploading a video instead of a photo.Email Sharing- currently in Settings there"s an option to use a custom email client. Note that we won"t be using that, and instead will be using the iPad"s built in email client. YouTube Sharing- YouTube sharing is the only sharing method that we need to build from scratch, since its not currently possible in the app.- when the user clicks "Share on YouTube", they"ll be prompted to log into their YouTube account- after authentication, it uploads their video- it then automatically logs them out of YouTubeLoading Videos Onto the Ipad- currently we load photos onto the iPad either through FTP or through Dropbox. There will be no change there, we"ll continue to use FTP and DropboxMiscellaneous- note that in Settings we can set which services to share to. If you scroll down in Settings you"ll see how to disable the other services. You can disable "Allow Twitter sharing", "Allow texting", and "Allow slideshow".- also disable "allow sending multiple pictures", since the user can never share more than one video.

  • $30 USD/hr In Progress

    Hi, we spoke yesterday, I"d like to talk to you about the projrct more in details, do you have skype?

  • $3157 USD In Progress

    Build an iPhone app which can communicate text, images and in app phone call.Serious bidders only please!

  • $5263 USD In Progress

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

  • $5000 USD In Progress

    develop a whatsapp like client app for both ios and android.Exclude server side development.interface to server shall only be http/ Json or web service.

  • $515 USD In Progress

    We are looking for an app like this: should have the same UI with an option to change the theme color. We would like all the features that are in that app except the games section.We need the app in native format for iOS and for Android but if you are able to develop for only Android or only iOS please mention that in your bid and we can still work with you.

  • $300 USD In Progress

    I need only simple PhoneGap project (only for Android and iPhone).That must be share image and text with some link into facebook.No need any fancy design. Only need good function.Please bid if you can show the phonegap product(android and iPhone) for me.If I can check it, I can get all source and pay for it.

  • [Sealed] In Progress

    We are developing an iOS app for driver safety. It rewards the user with points if they leave the app open and don\"t text and drive.\r\n\r\nThe app has a flat look and feel with minimal buttons. The main design goal is to provide voice based navigation with minimal distractions.\r\n\r\nWe are setting this app up with a Node.js backend using MongoDB as a data store hosted on a large DigitalOcean server.\r\n\r\nFunctionality:\r\n1) Incorporate the node.js facebook authentication system we created.\r\n2) Incorporating a turn by turn voice navigation for destination (mapquest and telenav)\r\n3) Implementing a rewards system for safe miles driven. \r\n4) Implementing a reward redemption system. ( rewards)\r\n\r\n\r\nWaze App\r\n\r\n\r\nMapquest SDK\r\n\r\n\r\nTelenav SDK\r\n\r\n\r\nKiip Rewards\r\n

  • $360 USD In Progress

    Hello,The image files have already been developed, the files will be transferred to the winning applicant who will then implement them into the source code, then upload the entire app into the app store.North Shore Apps would like to hire an experienced iOS programmer who can provide quality work, in a short amount of time.This first job will essentially be an evaluation of your skills, if you impress our company, then we will hire you for additional future projects, if you fail to meet our expectations then you will be paid less and not considered for future projects.Payment will be delivered on a milestone basis: at certain points in the project you will display your progress and you will be paid. The faster you complete the task, the better you will be paid.We would like you to reskin the game once for maximum of $200 and a minimum of $100, if we are satisfied with the first reskin job, then we will promptly proceed to deliver you two similar projects, all with the same method and amount of payment. If we are completely satisfied with your work we will then proceed to keep in contact for an ongoing work relationship in which projects such as this will be requested quite frequently. More stability, less freelance work for you.All graphics will be provided, there are around 300 images that will need to be replaced, a majority being buttons and icons.To achieve maximum payment, the work must be completed to our expectations in five days or less. The original game that we will be reskinning together is called "Turtles, huh?"The top qualities we are seeking in a programmer:Previous reskinning experienceFluency in EnglishFast, quality workerTop notch Objective C experience and familiarity with 2D enginesFamiliarity with uploading apps into the app storeIn order to apply, please respond to the following questions (simply, but precisely):1) What iOS devices do you have to use for testing?2) Have you reskinned an app before? if so please provide a link to the best quality one for us to review.3) What is the best application you have developed, and what role did you have in its development? (Include link to app)4) Are there any parts of the job that you do not have experience in? If so, which parts?5) Your opinion on the time frame requested.If you do not reply answering these 5 questions in your first message you will not even be considered for the position.A Skype interview will be necessary; so do not apply if you are not willing to hold a skype interview.Thank you, prospective programmers who answer these questions will be considered for the job, alongside the future, more constant, employment opportunities.We look forward to working with you.North Shore Apps

  • $30 USD In Progress

    I have an app, built and ready to go.I need help with uploading the app to Mac store and Android Store.I have a paid mac developer account set up.You must be someone who KNOWS how to get it uploaded and can just crack on with it straight away.This is a quick and simple job for someone who knows what they are doing.Would prefer someone who knows how to do Iphone uploads.Confidentiality agreement must be signed before job commences.This job needs to be done today.

  • $989 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.

  • $5263 USD Today

    做智能硬件的app,类似fitbit、up等手环的ios app

  • $3421 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

  • $2105 USD Today

    We have a Sip app based on CSIPSIMPLE for Android, and need to integrate an XMPP client into the SIP app. We can provide the SDK for the app and need a developer to find a reliable XMPP client that can be integrated without compromising the functionality of either the SIP or XMPP client.

  • $950 USD Today

    Need a simple custom mobile app made quickly.I need someone who is very experience in coding for iOS to make a simple, intuitive, great looking app for iPhone. The app will contain:- an instruction screen; - a calendar logged automatically- 3 user settings: two min/max settings, one multiple check box list-a display screen with a start time, a finish time, and current real-time stopwatch type displayThe app will assign events for the user with random amounts of time between events and each event will have a random lengths of time.The app will then log those events in the calendar. Requirements:Someone who can program AND do great UI designSomeone with at least 8 projects in portfolio.Someone with a full profile and a 5-star ratingSomeone with a verified email and phone numberSomeone with excellent EnglishSomeone who takes pride in their work and loves making polished, great looking products.Bonus:Great marketing skillsDesire for long-term working relationshipHere"s what to do next:Please reply with examples of previous work including any user interface and design examples you have done before. If I like your previous work, I will replay and give you more details.++++IMPORTANT: When you reply, please start with message with "Hello, Duck" so I know you actually read this whole project. Thanks for understanding. I get a lot of people who just reply to anything. I want someone really conscientious and takes pride in their chosen craft. Thanks so much,EJ

  • $1578 USD Today

    I need a business expense tracker app. A close equivalence is this app --> | I need above along with some small add-on features, which will be provide the additional features to the successful candidate (who may then edit their bid amounts accordingly).

  • $3000 USD Today

    I have a company that creates a smart shoe insole check out my website to understand better I would like to have an app that can connect to a Bluetooth enabled Arduino micro-controller and stream data to the phone. The phone would have to display an image of the insoles and put a pressure heat map that corresponds to the values that are received from the micro-controller. I would also like to have the program give me information such as cycle time and sequence of impact (i.e. heal, arch, ball or ball, arch heal). I am sure whomever gets this project would have to help me create the specs better.

  • $4736 USD Today

    We are looking for very expert developers in offline and online multiplayer card game for android.The developer must has an experience in online multiplayer real games.We want Server side and Client side for the card game.The Server side consist of System Points and other things, we are going to provide document details about it.The Client side consist of Design, animations, sounds, tables, etc...The developer must know about social network integration and notifications (Facebook, Twitter, Google+, and others. )The server side must be abstract and able to be implemented by other client engines for other type of card game.We are going to provide full details about client side and server side.Regarding to payments, there is no upfront payment, but we can create a milestones for the developer. then we will agree about release status.The developer has to prove that he able to build this type of game. by show us some example of his work and demo if exist.Please if you sure that you can do this project bid for it please.

  • $1578 USD Today

    we are looking for some experience company or freelance having enough SIP and VOIP application knowledge and already done similar project on open source LIB like PJSIP or linphone please only BID if you have use these both LIBswith custom encryption algorithm ....

  • [Sealed] Today

    I need an iOS developer to work 20hrs/week during Australian time. Urgent. Interview is immediate.

  • $5263 USD Yesterday

    Developing a social android app with an online API, so that it can be expanded to a website someday.(Needs to have a beautiful interface - we will provide .psd interface designs for the app.)Follows a concept similar to the Path app ( as an example. To be discussed once we get a quote.

  • $3157 USD Yesterday

    Hi All, The task is to take a fully designed app in PSD format and bring it to a ready to submit state at app store.This app is an existing app that we designed 2.5 years ago, we are re-designing it while keeping the features the same. Search for "MrCrean" at the app store to see the scale of the job. Part1: Coding the appPart2: Making the content editable by the owner. So a CMS is needed. Considering the owner is not a tech savvy person the CMS needs to be easy to operate. Down there I added a couple of screenshots of the old app for you to see what the job is like.

  • $2631 AUD Yesterday

    Design an app for motorbike riders.The user signs in with Facebook or email account.User must provide picture of his motorbike for his profile.User opens app and see people around him that are going for a ride.User can filter rides by length and rider distance from him.Rides are published live in mintage.Users can exchange messages. User can see shared friends on fb. Users can see common interests from fb.Users can post and schedule a ride with "new ride" for. Enters from location to location. Date. Departure time.Other details in version 2.

  • $4000 USD Yesterday

    Ok so im looking to get my Social network app built.I want it to be a fun community and accessible to the iphone and allow users to post and like/dislike the photos they have posted.I will go more into detail about this project when I find a competent developer.

  • $6842 USD Yesterday

    I am looking for an ace developer (no company individual only) to write an iPhone and Android application for me. The app will be similar to "" except some more features in it. It will be accessible world wide of course.

  • $8421 USD 2 days ago

    We want to develop a VPN solution, with custom IP rules, with a client-side where a user can define his own websites, and analyze traffic.

  • $1578 USD 2 days ago

    Please note this is a freelance project the project will be to make a taxi app with full dispatch it is bit hard to do, but i will pay you RS 30,000 amorth for this before i pay you i will need updated and show me want you have do, if you do nothing you will get not paid, We"re seeking an Android and Iphone Developer to join our ongoing quest to create the most epic, innovative Mobile Applications .We are looking for experienced Android and Iphone Developers with strong technical skills of building Android Apps and work experience with complex apps. In this role help lead and shape Android Apps covering a vast array of functionality working with experienced designers, QA professionals and research team.As we continue to grow, we are looking for individuals who are passionate about the development process itself. We are continually growing, and as we grow and improve so do our developers. It"s key to our success that we help you expand your skills and grow.Job Description:You"ll have the opportunity to work on a myriad of projects, all of them starting from scratch.Every project is different and presents a new set of technical challenges.To solve these problems you"ll be working with a full team of experienced designers, engineers, project managers and QA professionals in a highly collaborative environment.We have daily & weekly meetings and monthly lessons presented by our own team to promote topic and technologies we believe will help advance the group.We"re looking for leaders: those who take initiative, who act with decisiveness and with integrity. By bringing talented people together, we challenge one another to get better with each and every project we take on. We pride ourselves on our ability to innovate and create.Job Specification:Around 2 year solid experience in the field.BS Computer Science or Masters in CS.You are able to communicate clearly, and keep us informed of progress, keeping to schedules and deadlines.Very good understanding of Java and Android lifecycle, garbage collection and design patterns.Demonstrable portfolio of Android apps you have worked on.Experience targeting multiple Android devices, both phones and tablets, from multiple manufacturers and across all OS versions.Experience with HTTP and REST web servicesExperience debugging an Android appEnjoy working in a team environment.Proficient in Java, C++Strong object-oriented design and developmentStrong Command on Android Native DevelopmentKnowledge of Content Provider, Shared Preference, Activity Life CycleServices and Broadcast ReceiverMultiThreading and Async Tasks16. GUI Design and XML Layouts

  • $1473 USD 2 days ago

    Simple client side app for a Android-based tablet kiosk. Requirements:•Native Android app•Eclipse or Android Studio•Target version Jelly Bean •Develop using Git and with our bitbucket repository;•Horizontal 800 x 444 px (7" tablet)•FLAG_KEEP_SCREEN_ON•WAKE_LOCKWill use 4 screens. Basic functionality:User Login - Display login screen, get username and password - Call API to validate credentials on server IF OK: Get company infos Download user db Display main screen: - Left side: company logo, messages - Right side: keyboard (numbers only, plus OK and Back buttons) clients will type their phone numbersPhone number check against local DB: - If number exists, register customer check-in - If number of check-ins > limit - Call API to perform certain actions - Display message screen for X seconds - Return to main screen - If number doesn"t exist: - Get confirmation from user (separate screen) - Create user in local DB - Call API to check/create new user on serverAll on-screen keyboard based inputs must be fast and precise to provide optimum user experience;App must be the only activity, all user interaction outside the app must be prevented;Detailed screen layouts will be provided on jpeg or other design formats, no application-ready design can be provided;API and DB specs will be provided to selected party.

  • $1578 USD 2 days ago

    I need like androRAT with apk binder work on all android versions ( 4.0 , 4.4 .... ) I need easy to use detect location steal files steal facebook passwords undetectable ( by certificate if needed ) bind with any other APK I need to acess microphone and camera

  • $1578 AUD 3 days ago

    Project Description:I am looking for someone to develop an android mobile application. Currently a similar app is available, but I would like a similar app build for the android market with a few changes. If you know how to develop android applications message me and I will provide the name of the application that is currently available, so you can give me quote.

    The strongest survives. does not have any open projects.
    The strongest survives. does not have any work in progress.
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Architecture designer

Apr 2009 - Present (5 years)

China Network Research Center



Shanghai Jiao Tong University



Python Certificate



A way to reduce Squid's user latency

Steven, JinLongWei

This publication is related to squid's performance improvement.