Socket Programming Jobs

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Hourly - Intermediate ($$) - Est. Time: Less than 1 week, 10-30 hrs/week - Posted
Time Frame: 1-4 Days. We will require this to be completed 1-4 days after accepting the offer. We need a cross platform solution, built specifically for mac and windows. The app has to be native or if posible built with xamarin. The app has to contain a websocket server to comunicate with a browser through websockets. The app has to access the PC's printers and send information to the browser through the websockets about the printers. The app has to be able to get information from the browser. A url and printer will be sent. The url will point to a pdf file generated by a php script (test link will be supplied). The app will have to print that pdf to the selected printer. The app will be tested on 2 types of printers, one that takes letter size and one that takes 40mm*200mm paper. The url can be customized if needed to generate the pdf on the necessary scale, based on the printer paper size. Web sockets api functions needed: getPrinters (get a list of printers available on the users pc) getDefaultPrinter (returns only the default printer) print (no print preview, print directly) params: printer,url * if getPrinters supplies the default paper size, the url to the pdf will be generated to meet the printer page size * get printer will return an array of printers (the default system printer will be marked in that array) IMPORTANT: The source code has to be well organized and commented, spaghetti code will be rejected. Extra: api to configure the printer (all config options) ability to print raw text installer for easy setup (including all extra software needed, like frameworks)
Skills: Socket Programming C# C++ NativeScript
Fixed-Price - Expert ($$$) - Est. Budget: $800 - Posted
Hello first part i want to debug my script(PHP , JS) on iphone browser and making poker odds calculator and deal with other script through API second part is to use PHP with my poker API to make affiliate system- Rake calculation-prepaid card system website and payment integration and other features contact me for more detail
Skills: Socket Programming Algorithms HTML JavaScript
Fixed-Price - Expert ($$$) - Est. Budget: $3,500 - Posted
This app requires some Facebook integration, background geolocation, in-app chat, real-time data, custom maps and minor animations. If you have this skill set, please reach out to me. Fair warning, I will need you to sign an NDA before giving you the details. Look forward to hearing from you devs :) Best, Harry
Skills: Socket Programming Android App Development Express Js Geolocation
Fixed-Price - Expert ($$$) - Est. Budget: $250 - Posted
I am looking for an expert in Flask/ to help troubleshoot an issue we are having with an app we are setting up. We are attempting to connect a Flask/ app to an iOS app coded in Swift and the emitted messages are not receiving responses from the server. Our localhost server installs work and send/receive socket responses but when working with our production server it is not working. The production server is on Amazon EC2 and we have tried many different approaches so we have a lot of documentation on our attempts and what has and hasn't worked. I get the sense it is something relatively small since it works fine locally (possibly a module or something similar not working correctly). My budget of $250 for some basic consulting. We are flexible if we uncover a larger problem once looking into it but really need to move quickly to at least expose the problem. We are looking for the best EXPERTS in this field and are willing to pay well if you can knock this out quickly. Please do not apply if you have not worked in this type of environment in the past. Thanks!
Skills: Socket Programming Amazon EC2 Flask Linux System Administration
Fixed-Price - Intermediate ($$) - Est. Budget: $300 - Posted
Looking for a developer who can develop a mobile basic chat application with picture and audio sharing option using or other framework. This application should work on android and iphones. One high configuration Master phone will act as a server for exchanging messages/chat between other slaves (n number of phones). Different phone users either can chat individually or can create a group of users for a group chat. A simple and clean interface is required with an option of providing space for advertisement for revenue generation. P.S. This is an ongoing project and this is the first requirement. Budget and ongoing work can be discussed once a suitable freelance is procured. Thanks
Skills: Socket Programming Android App Development iPhone App Development
Fixed-Price - Expert ($$$) - Est. Budget: $800 - Posted
Requirement: Mandatory C# [ WPF/WinForms ] Experience Socket Handling in C# Multi-Threading in C# Work Description He will be responsible for the development of the front end of Trading Application in C# [ WPF/WinForms ] The Front End will contain various forms. All the forms needs to be painted/populated in parallel without blocking the overall GUI application. The front end system should be able to capture the User Preferences ( like columns , open windows, favorite products etc ) and on next run should open those as per the saved state. The front end should communicate with the backend system via TCP connection. The front end application should be able to handle huge amount of data coming on TCP connection. For example, some of the forms will be: 1. Login Controls 2. Live Prices of various products on a tick by tick basis in a multithreaded environment. 3. Configuration of various parameters on each products. 4. Display of current positions of various levels [ Trades ] 5. Display of current open orders 6. Data Analytics/ Charting
Skills: Socket Programming C# SQL Visual Basic
Fixed-Price - Intermediate ($$) - Est. Budget: $300 - Posted
We are looking for expert developer in the following: 1- JBoss Netty server. or something based on java. 2- Web Socket API or message pack. 3- Java Expert. 4- Socket IO, 5- Expert in Server and Client Sides. we have already bluid a deashborad and Android application but at now we find some bug in this point : *Connection between PHP (server) and Android (client) Using HTTP and JSON. at now we can t get good result at status of users "online " and "offline" status of network or wifi . insome version in android work well but in 5.0 version and more, after a while the phone lock screen The server socket is disconnect,The client is not active disconnect Please if you are very experience in this field bid for project.
Skills: Socket Programming Android App Development Application Server Java