C Programming Jobs and Contests

Are you looking for a stellar C developer? Despite its age, C remains one of the most popular programming languages in the world, but finding the right developer can be difficult. C has been used to write a wide range of software, including operating systems, device drivers, banking software, games, and even GPU-based learning algorithms. The sheer range of projects that C has been used for means you need to find a developer that's familiar with your particular problem.

So how do you find that developer? On Freelancer.com there are thousands of C developers that are available for hire. To find the right one, all you need to do is post the details of your project. Within minutes our talented C developers will see your project and will start responding with detailed proposals about how they would complete your job. Like C, the whole process is fast, efficient, and can scale up if you need it. So why not give it a shot? All posted projects are obligation free, so if you aren't happy with the proposals, you don't need to choose one.
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Project/Contest Description Bids/Entries Skills Started Ends Price (USD)
SSE to PowerPC AltiVec migration of SCRYPT and SHA256 We have 2 cryptography algos which need to be ported to PowerPC AltiVec - for Power7 machine. We are looking for EXPERIENCED developer with especially skill set about C programming and SSE instructions to AltiVec migration as time is big player in our project. There is no place of learning how to do it. You must exactly know what's going on and give us exact time of finish. We can p... 6 C Programming, Software Architecture, Cryptography, UNIX Jul 27, 2017 Today6d 23h $450
Project for a game - DotA 2 internal software, ingame GUI, user API, game process automatization. you must know game mechanic, how things works, so I wouldn't explain you every aspect of the game 5 C Programming, Windows Desktop, Software Architecture, C++ Programming Jul 27, 2017 Today6d 22h $9402
I need a program in C# that will automate some tasks on a website I need a simple application which will automate a number of basic tasks on a specific website with different accounts. The program just needs to connect to account A, preform a few actions, then repeat the process for account B, etc. I'll provide you more specific details about everything later on but I think this information is sufficient to obtain a budget. The program needs to hav... 15 C Programming, Javascript, C# Programming Jul 27, 2017 Today6d 22h $141
Create a Family Tree program I would like a program created that is similar to the Family Tree Builder by MyHeritage.com. It would have to accept gedcom files as well as allow the creation of family tree charts. 20 C Programming, C# Programming, C++ Programming, Database Development, Programming Jul 27, 2017 Today6d 21h $492
cretae mobile app I want to develop an application for mobile phones, serving both teachers and students. The application works on the environment of the ios and addoid also I need to create a landing page. 51 C Programming, Java, iPhone, Swift, Android Wear SDK Jul 27, 2017 Today6d 20h $569
C# and wireless network experience required our company need very talanted C# and wireless experience company / developers to solve an issue , you must have more than 2 pc's to be able to solve it . our terms of this project - No milestone will be created or released until the full project is done and we test it , even if it's on your side by team viewer . - Award should be accepted after you know the issue and no files... 13 C Programming, Wireless, C# Programming, Network Administration Jul 27, 2017 Today6d 19h $183
Write some Software .. Develop a piece of software that will be able to do the following: Login to youtube account. [LOOP FOLLOWING] Go to video URL Like highlighted video comment Cycle through youtube account channel Software must be multithreaded Software must load accounts and save in database and be very fast Software is very simple process and i require very fast, do not bid if you cannot complete ... 19 PHP, C Programming, Python, MySQL, Software Development Jul 27, 2017 Today6d 17h $221
C Programming Jul 27, 2017 Today6d 15h
Small program to post Twitter tweets I need small command line executable program ([url removed, login to view]) that will be called from within another program and will read a text file (specified on the command line) and use the login and password information in the text file to log into Twitter and then take every “tweet=” line of the text file and tweet them to a twitter account with a delay of # seconds between each ... 33 C Programming, Visual Basic, .NET, C# Programming, C++ Programming Jul 27, 2017 Today6d 15h $135
Write some software -- 2 Windows C o C++ We need To update And Fix issues about cryptocoin wallet (slow sync, freeze etc) We have already a Windows And a linux wallet 12 C Programming, Windows Desktop, Software Architecture, C++ Programming Jul 27, 2017 Today6d 14h $329
small interpreter enhancements I have a small basic interprter that I need to enhance with an "on error goto" function and a generally better error reporting. The interpreter comes as a VS2013 project. While the project itself isn't too complex, it still comes with a bunch of additional libs and stuff. But those shouldn't be of interest for the needed features. As this isn't a huge task, please place ... 16 C Programming, C++ Programming Jul 27, 2017 Today6d 13h $125
Execute cBot from external source Hi. I need assistance to help some of my cBot to execute based on external sources like a CSV file. A suggestion would be to have an external flag e.g. written to a file, from where the cBot would read if it should trade or not. For example, if the file has a flag written as TRUE then the cBot should trade as if it was active. Else the cBot should not do anything. I will adjust the file daily from... 5 C Programming, Algorithm Jul 27, 2017 Today6d 13h $64
Need a social messaging app with video & audio call We need a social messaging app with features as follows - - - 1. HD Video & audio call facility. 2. Message Seen Facility & also users last activity time. 3. More Stickers. 4. News with cricket updates flashing. 5. Messenger Themes. For example : - Hike Messenger. 7 PHP, C Programming, Javascript, .NET, MySQL Jul 27, 2017 Today6d 11h $233
BULK IVR (BULK SIP CALL) We need an API to make bulk calls over SIP server. API details listed below, *Minimum 500 concurent calls *Text to speech (Turkish & English) and audio file (m4a, wav, mp3) call *Simple IVR functions >Prepare scenario (first message, 2nd message etc) >Get pressed digit after a proper scenario node >Basic equal to opeartion according to pressed digit and rote to n... 13 C Programming, Java, Python, Software Architecture, Telecommunications Engineering Jul 27, 2017 Today6d 7h $982
Rrouter firmware We want to build router firmware with below features. 1 Dual SIM along with External antennas 2 2-5 L3 Ethernet ports. 3 Loopback/Logical Interfaces(VLAN) Support 4 All Dialup VPN technology (PPTP/SSTP/OVPN/L2TP/PPoE/PPP) support along with IPsec VPN (SHA1/2/3 and AES256 Support ) 5 Tunnelling (GRE/IPIP/EoIP/IPv6 to IPv4) 6 Third par... 8 C Programming, Electronics, Microcontroller, Embedded Software Jul 27, 2017 Today6d 6h $2858
Write some Software Design and develop Attendance Management System. Use text file to store your data. University wants to design an online attendance system for students and faculty. There are three users for the system 1. Admin, 2. Lecturer and 3. Students. The system can register the users like lecturer to handle daily attendance of students which are assign intakewise by admin. Also it is able to register... 14 C Programming Jul 27, 2017 Today6d 6h $79
Write some Software I need someone to convert my MT 4 Custom Indicator to an Expert Advisor. I can provide more details to the interested person. 17 C Programming, Metatrader, C++ Programming Jul 26, 2017 Today6d 5h $50
automated detection of leukemia using image processing in c# - open to bidding we want a such project in c# using emgu API which takes a microscopic images from the saved data set an on the base of their shapes etc it will decide weathers its a healthy cell or nor 7 PHP, C Programming, Android, Software Architecture, C++ Programming Jul 26, 2017 Today6d 4h $178
C Programming, Metatrader Jul 26, 2017 Today6d 3h
Write some software I need you to develop some software for me. I would like this software to be developed for Windows using C or C++. This should be a simple House plan designer application, which can be upgraded in future. Rate is negotiable. 19 C Programming, Windows Desktop, Software Architecture, C++ Programming Jul 26, 2017 Today6d 1h $1845
Configure .bin www application files for a web datalogger device Need developer to Configure .bin www application files for a web datalogger device to add company log and simplify webpage/interface. We have source files and need developer to modify them for our purpose. MUST have experience of make make/bin/ELF/Hex/Application etc.. 3 PHP, C Programming, C# Programming, HTML5 Jul 26, 2017 Today6d $192
Build Kijiji AutoPoster w/proxy support and other additions packaged for resale Kijiji Auto Poster Needed: Will work with developer on integrating a friendly, clean and good looking UI along with the following features: Front End: -Set the date and time for automatic ad posting/reposting (Checks for posted ads, deletes them, and posts a new one) -Rotates through a Proxy list for unique posting -Randomly changes picture size, resolution and name to avoid flagging - A... 22 PHP, C Programming, Python, Software Architecture Jul 26, 2017 Today6d $4288
minecraft client Im currently hiring Java developers who have experience with making minecraft mods or client. Im looking for a coder who have 1 Year of Java Experience, Familiarity with Git, and Minecraft client work or mods to show me. 4 C Programming, Java, C# Programming, MySQL, C++ Programming Jul 26, 2017 Jul 26, 20175d 23h $142
Write some software I need you to develop some software for me. I would like this software to be developed for Windows using C or C++. Simple app automatically taking data from a website [url removed, login to view] after a customer has entered booking info. This can be exported in csv format then this csv format mapped to an import file to a cloud based accounting package . Activation can be manual launch of the ... 14 C Programming, Windows Desktop, Software Architecture, C++ Programming Jul 26, 2017 Jul 26, 20175d 23h $153
WART RECOVERRY - Able Recovery my whats app number as hash - sources code must delivered to me 4 PHP, C Programming, Java, Software Architecture, C++ Programming Jul 26, 2017 Jul 26, 20175d 23h $19
I need a program I need you to develop some software for me. I would like this software to be developed using C or C++. Twitter 15 C Programming, Software Architecture, C++ Programming Jul 26, 2017 Jul 26, 20175d 22h $119
Virtual makeup tester designed for beauty retail store I am looking to develop an augmented reality "Virtual" application for beauty professionals and retail stores to provide their customers with the "Try before Buy" shopping experience by presenting the virtual makeup results on the customer's live image. The required application should virtually demonstrates different color cosmetics, beauty products and styles in a cutting... 38 PHP, C Programming, Software Architecture, Software Testing Jul 26, 2017 Jul 26, 201712d 22h $1416
Build me a database with barcode function. Hello I need a database that can calculate how much stock i have, what i have sold, and what the profit level is. I need it to be idiot-proof. So i need it to be very simple. EACH QUERY FORM IS ON A SEPARATE PC. I press one button for each product, and it prints a barcode. -I need to be able search products -I need to be able to add products. I scan the barcode on one que... 39 C Programming, Java, Data Processing, Data Entry, Excel Jul 26, 2017 Jul 26, 20175d 22h $416
I need a program I need you to develop some software for me. I would like this software to be developed using C or C++. Twitter 22 C Programming, Software Architecture, C++ Programming Jul 26, 2017 Jul 26, 20175d 21h $125
Project for talaljawaid94 Hi talaljawaid94, I noticed your profile and would like to offer you my project. We can discuss any details over chat. 3 PHP, C Programming, Java, Website Design, Graphic Design, Jul 26, 2017 Jul 26, 20178d 21h $26
ARM OPEN CV arm open cv, fpga, linux embedded developer 17 C Programming Jul 26, 2017 Jul 26, 20175d 21h $1651
controller for winding machine three axis machine controller 7 C Programming, Electronics Jul 26, 2017 Jul 26, 20175d 18h $490
Other or not sure I need you to develop some software for me. I would like this software to be developed using C or C++. 18 C Programming Jul 26, 2017 Jul 26, 20175d 18h $23
need a stock management, wages management, and profit calculating database with barcode scanner Hello I need a database that can calculate how much stock i have, what i have sold, and what the profit level is. I need it to be idiot-proof. So i need it to be very simple. EACH QUERY FORM IS ON A SEPARATE PC. I press one button for each product, and it prints a barcode. -I need to be able search products -I need to be able to add products. I scan the barcode on one query form, i... 8 PHP, C Programming, Project Management, Excel, Software Architecture Jul 26, 2017 Jul 26, 20175d 18h $231
Write some Software We need a rasperry pi powered firewall for enterprise work, We need the ISO file of the finished OS (Linux based) which the Raspberry pi uses as a firewall. 16 C Programming, Python, Linux, Algorithm, Raspberry Pi Jul 26, 2017 Jul 26, 20175d 17h $546
Write some Software I want to make an antivirus, based only on heuristic scan (Algorithms) and not on hashes, I want the software to look user friendly and have different scan options (Full, Quick, etc..) 11 C Programming, Python, Computer Security, Algorithm, Internet Security Jul 26, 2017 Jul 26, 20175d 17h $549
Webinject in custom browser I need to create a webinject in a custom browser 13 C Programming, Software Architecture, C++ Programming Jul 26, 2017 Jul 26, 20175d 16h $547
Project for NSolutionDev RS232 reader and UHF reader communication 6 C Programming Jul 26, 2017 Jul 26, 20175d 16h $89
I need a scanner which can scan Openload video in post and tell which one is dead Hi < i need you to make a kind of scanner / scritp which can scan my site post and tell Tell the Dead Video of ([url removed, login to view]) i Have many video of openload in my post so many times they get dead/ deleted by site admin so i want you to make something which can notify me about dead videos in wordpress 7 PHP, C Programming, Javascript, WordPress Jul 26, 2017 Jul 26, 20175d 15h $22
Write some software -- 2 I need you to develop some software for me. I would like this software to be developed for Windows using C or C++. Graphics in c 12 C Programming, Windows Desktop, Software Architecture, C++ Programming Jul 26, 2017 Jul 26, 20175d 14h $129
make a minecraft client -- Urgent Im currently hiring a Minecraft client developer to help make my client awesome by improving the user-experience. The candidate should have demonstrable experience with the Minecraft client 2 C Programming, Java, Visual Basic, C++ Programming Jul 26, 2017 Jul 26, 20175d 14h -
Write some software I need you to develop some software for me. I would like this software to be developed for Windows using C or C++. I well known graphics in C 11 C Programming, Windows Desktop, Software Architecture, C++ Programming Jul 26, 2017 Jul 26, 20175d 14h $484
App for reading a magazine Hi, We have a monthly magazine that is seldom more than 24 pages for about 1000 members and would like to design an app for members to subscribe, download and the magazine. Members would have to subscribe and pay a monthly, annual subscription fee to read each of the quarterly edition of the magazine. It is mainly a text based magazine with a few pictures. We would like to make this app avai... 6 C Programming Jul 26, 2017 Jul 26, 20175d 13h $164
C Programming, C# Programming, Metatrader Jul 26, 2017 Jul 26, 2017Ended
Linux I have a Cuda code need Help in adding a small function. I would like this software to be developed for Linux. 7 C Programming, Linux, Software Architecture, CUDA Jul 26, 2017 Jul 26, 20175d 12h $30
Algorythm to detect and count traffic with Raspberry Pi We need an algorithm for raspberry Pi 3 Model B to detect traffic on an intersection. The Raspberry should be able to stand alone count cars on different lines, driving in different directions and also turning into different streets. Whenever a car is detected by the raspberry, there should be a remark in a database, on what time a car/truck came from where and drove in which direction/turned into... 37 C Programming, Matlab and Mathematica, Algorithm, Programming, Raspberry Pi Jul 26, 2017 Jul 26, 20175d 10h $959
thats project is about make a minecraft client Im currently hiring a Minecraft client developer to help make my client awesome by improving the user-experience. The candidate should have demonstrable experience with the Minecraft client 14 C Programming, Java, Visual Basic, C++ Programming Jul 26, 2017 Jul 26, 20175d 9h $128
Write some Software for weighbridge Windows platform We would like to get Weighbridge software for windows os. Platform should have two modes with touch screen or without PC. This would be improved version of our program with different protocols of weight indicators attached. 37 PHP, C Programming, Windows Desktop, Software Architecture, C++ Programming Jul 26, 2017 Jul 26, 20175d 9h $711
ASN 1 Voce: AMR WB, AMR NB, G722, G711, G729 • Fax: T38, G711 • Video: H263, H263+, H264avc Decode This contest is for open ASN 1 [url removed, login to view] and decrypt audio part with this codec Voce: AMR WB, AMR NB, G722, G711, G729 • Fax: T38, G711 • Video: H263, H263+, H264avc Decode 1 Android, C Programming, C# Programming, iPhone, Software Architecture Jul 26, 2017 Jul 26, 20175d 9h $250
An indicator that draw vertical line on the time specified by me (ctrader) the work must include indicator and source code. When modified the indicator in one particular pair, the signal must also reflect on other pairs attach with this indicator. 6 C Programming, C++ Programming Jul 26, 2017 Jul 26, 20175d 7h $18
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