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. Hire C Programming Developers on Freelancer
Sign up and start earning
Signup to start earning Are you a C Programmer? You could be earning money working on these jobs!

Browse Jobs on Freelancer

Project/Contest Description Bids/Entries Skills Started Ends Price (CAD)
need software which will generate coins from a website need software which will generate coins from a website 4 C Programming, Javascript, C# Programming, Software Architecture Dec 8, 2016 Today6d 23h $174
Adding Saved Game Feature From The Google Play Services Unity Plugin To Simple Match 3 Game. (Google Play Services Unity Plugin Already Implemented, Just Need Saved Game Feature!) • I am looking for someone with a good knowledge of the (Google Play Games Plugin For Unity). • With that being said. I have a simple match 3 game that already has the Google Play Services fully implemented into my source, all I need is the saved game feature added to it and it be able to save all in-game info for a player, I have everything set up and ready to add things fr... 2 C Programming, Game Design, Unity 3D Dec 8, 2016 Today6d 22h $33
need something done on a website website mmoga 18 PHP, C Programming, Website Design, Graphic Design, HTML Dec 8, 2016 Today6d 20h $165
Coffee Machine (Compiler) title of project "coffee machine" introduction & main idea of machine mention advantage & disadvantage objective of machine analysis include: 1 - formal definition 2 - transition table 3 - state diagrame (draw DFA) other details uploaded on pdf file 4 C Programming, Java, Software Architecture, C++ Programming, Programming Dec 8, 2016 Today6d 20h $96
constraint application protocol i want to communicate(constraint application protocol) with a constraint device using erbium and contiki operating system with dtls security. 5 C Programming, Java Dec 8, 2016 Today6d 19h $317
Assembly expert I need low level developer 17 C Programming, Software Architecture, Assembly Dec 8, 2016 Today6d 19h $556
blockly code with if's Need excersive with blockly code with if's 12 PHP, C Programming, Javascript Dec 8, 2016 Today6d 19h $29
Need to decompile ex4 to mql free alert indicator I have one alerter in ex4. I need to decompile ex4 to mql4 (build 600+). 5 C Programming, Metatrader Dec 8, 2016 Today6d 19h $217
Implementation of routing protocol in Network Simulator 3 To implement Babel Mesh routing protocol in Network Simulator 3 3 C Programming Dec 8, 2016 Today6d 18h $32
Multimedia Win editor/player with multi-timelines I´m looking for a talented freelancer that is able to develop a Windows program (.exe) that is a multi timeline (track) editor with some multimedia support. The freelancer is free to choose the programming language/environment (better if you use C/C++ or Delphi --- do you use Linux ok: you can do the project on Linux, but it must compile on Windows too), free to choose the GUI framework (... 10 C Programming, Windows Desktop, Delphi, C++ Programming Dec 8, 2016 Today6d 18h $5595
Code signing for ocx, dll , cab Hello i am looking for sameone have a code sigin to sigining my file i have 5 cabs i need to siging 5 C Programming, Visual Basic, App Developer Dec 8, 2016 Today6d 18h $75
Expert Systems Programmer Needed in C -- 2 Hello, I need an expert systems programmer who knows cache implementation, memory management, HRAM, etc. You should be available to start work immediately. Thanks! 8 C Programming, Linux, C++ Programming, UNIX Dec 8, 2016 Today6d 18h $24
Write some software and need help I need you to develop some software for me. I would like this software to be developed for Windows using C or C++. Operating system by learn and help 11 C Programming, Windows Desktop, Software Architecture, C++ Programming Dec 8, 2016 Today6d 18h $70916
Project for iridescent2x15 Hi iridescent2x15, I noticed your profile and would like to offer you my project. We can discuss any details over chat. 5 C Programming, Java, Software Architecture, Report Writing, C++ Programming Dec 8, 2016 Today6d 17h $11
Small tasck on C program using pointers I have small task about C project I only need to read a file and store it in tree where actually each nore in that tree linked to a linked list More details when we agree 29 C Programming Dec 8, 2016 Today6d 16h $34
Betting Tool for bet365.com I need software that monitors [url removed, login to view] markets both live and pre-match and that allows me to bet on one click with different user accounts at the same time. Odds variations have to be updated quickly in software, a second in this business is a world. I would choose an amount to bet, for example € 100 and the software would split that amount among all available accounts. Im... 12 C Programming, .NET, Software Architecture, UNIX, ActionScript Dec 8, 2016 Today6d 14h $2666
Raspberry Pi SDL UI programming I need a simple UI coded for Raspberry Pi using SDL. 2 C Programming, Software Architecture, Embedded Software, Software Development, Raspberry Pi Dec 8, 2016 Today6d 13h $29
C Programming, Microcontroller, Embedded Software Dec 8, 2016 Today12h 35m
Simulations of Pendulum‐Rover System Using C It is a Simulations of Pendulum‐Rover System Using C. I will give the details later. 7 C Programming, Mathematics Dec 8, 2016 Today6d 12h $55
Write some software I need you to develop some software for me. I would like this software to be developed for Linux using C or C++. 8 Linux, C++ Programming, C Programming, Software Architecture Dec 8, 2016 Today6d 12h $34437
MBX and DBX converter to PST Build a utility that converts Outlook express DBX and MBX files to Outlook PST. Requirements: - App has to use Win32 API, C/C++, MFC and Sqllite DB. Single .exe no DLL and COM linkages - Provide a UI to explore the DBX / MBX emails before conversion. Show allow to navigate / search / find all emails, view attachments - Support digitally signed and encrypted emails - Extract the DBX / MBX int... 4 C Programming, C++ Programming, Windows API Dec 8, 2016 Today6d 11h $724
Adding Saved Game Feature Of Google Play Service First off I am looking for someone with a good knowledge of the (Google Play Games Plugin For Unity) . With that being said. I have a match 3 game that already has the googleplayservices fully implemented into my source all I need is the saved game feature added to it and it able to save all in-game info for a player, I have everything set up and ready to add things from the play services. I need ... 5 C Programming, Game Design, Unity 3D Dec 8, 2016 Today6d 11h $50
C++ QCM test - open to bidding Creare test of 50 questions with 4 possibility of answer per question. Every question should have a time of response, category and level of difficulty 11 C Programming, Java, C# Programming, Academic Writing, C++ Programming Dec 8, 2016 Today6d 10h $48
Write some Software to read Mifare card information. I have a Mifare classic card, Mifare card reader (through usb). I need a tiny software (perhaps running background) so that when placing the Mifare card into Mifare card reader, it will write the Card ID on the screen where the cursor is located (similar to the way bar code reader work). Programming language: Java or C or any technology should be advised, Ubuntu is preferable, but Windows is sti... 12 C Programming, Java, Software Architecture Dec 8, 2016 Today6d 10h $242
Audio/Screen-Caputre Recording Engine Audio/Screen-capture Recording SDK Program written by c/c++ for c#/WPF 10 C Programming, Audio Services, Video Services Dec 8, 2016 Today6d 8h $1154
Project based in STM32F746G-Disco board monitoring power. Project based in STM32F746G-Disco board monitoring power. We are in RUSH 18 C Programming, Electronics, Microcontroller, Electrical Engineering, PCB Layout Dec 7, 2016 Today6d 5h $745
Expert Systems Programmer Needed in C Hello, I need an expert systems programmer who knows cache implementation, memory management, HRAM, etc. You should be available to start work immediately. Thanks! 14 C Programming, Linux, C++ Programming, UNIX Dec 7, 2016 Today6d 4h $18
Write some Software ( web application ) you will be a creating a simple web application that is vulnerable to XSS exploit ( cross-site scripting. small program, easy money, but small budget more details over PM 9 C Programming, Java, Web Security, HTML, Internet Security Dec 7, 2016 Today6d 4h $49
Roulette Bot Software Looking for a programmer that can automate a Roulette strategy in multiple online casinos. Please contact me for further details (experience in roulette bot programming preferred). Thank you. 6 C Programming, Visual Basic, Software Architecture, Software Development Dec 7, 2016 Today6d 1h $1023
Make game slither.io realtime online with unity3d Project make game [url removed, login to view] realtime online with unity3d 6 C Programming, Software Architecture, Unity 3D Dec 7, 2016 Today6d 3h $192
Build C++ QCM TEST - open to bidding I need to build a QCM test of 50 questions with 4 possible answers per question. Each question should have a time of response, difficulty level and 4 possible answers 9 C Programming, C++ Programming, Java, Linux, Python Dec 7, 2016 Today6d 1h $169
Codez une application Android 47 C Programming, Java, Mobile Phone, iPhone, Android Dec 7, 2016 TodayEnding $985
Polymorphic Windows PE powerful Crypter Looking for a programmer with previous experience in development of Polymorphic Crypter. Crypter must be fully undetected by all anti-virus programs. Aplicants must have strong knowledge of C++, Delphi, Windows API and Assembler. Programed on C/C++/ASM, OR in Delphi 2010 / ASM source code required, clean code please and comment. . Looking for a programmer with previous experience in devel... 3 C Programming, Delphi, C# Programming, C++ Programming, Assembly Dec 7, 2016 Today6d $789
IDoc for SAP interface class Create an interface to update SAP transactions using IDocs. 1. Need to pass in a Work Order Number, Work Centre and close off a transaction for a quantity of products). 2. Need to pass in a Serial Number, Work Centre and close off a transaction for a each serial number). The class needs to have the ability to set up any connections to SAP. Sorry I may have the terminology wrong, so please fe... 8 C Programming, .NET, SAP Dec 7, 2016 Dec 7, 20165d 21h $178
Project for nirajmahapatro Hi nirajmahapatro, I noticed your profile and would like to discuss a potential engagement. This engagement is three parts and each part is based on the success of the previous one. There will be more freelancers on this project. It is in essence a simple project compiled of the following steps: 1. Simple basic components will be sent to you for review. You are required to explain in detail how e... 2 C Programming, Microcontroller, Embedded Software, PCB Layout, Product Design, Dec 7, 2016 Dec 7, 20168d 21h $13
I need you to develop some software for me. I would like this software to be developed for Linux using C I need you to develop some software for me. I would like this software to be developed for Linux using C 19 C Programming, Linux, Software Architecture, Ubuntu Dec 7, 2016 Dec 7, 20165d 20h $34
Python Developer -- 2 I'm looking for a professional to do a project. It has 3 parts: - A crawler / scraper: I have some sites that I want to crawl and extract some data, and store it in a unified format, and send PUSH notifications to Google / Apple platforms. - An mobile App for Android / iOS (/ Windows Phone?) that expose the information extracted from scraper and receive PUSH notifications. - A web s... 29 PHP, Perl, C Programming, Python, Software Architecture Dec 7, 2016 Dec 7, 20165d 19h $791
Need an automated program for website.! Need someone to create automated program for website using HTTP requests. 23 C Programming, Javascript, C# Programming, C++ Programming, HTML Dec 7, 2016 Dec 7, 20165d 18h $193
Compile an open source project for me, and make a slight modification For this project, I would like you to compile an open source project for me (available on Github), and make a slight modification. 1. I would like to know if this program can be made to work for 32 and 64 bit 2. I would like to know what operating systems this program is compatible for 3. This is a command line application. I want you to compile it as a Windows Form application, with no Windo... 31 C Programming, C++ Programming Dec 7, 2016 Dec 7, 20165d 18h $198
SMiLEYfaces Make a software that anyone can enjoy it, edit it, and get it freely. 5 C Programming, Cold Fusion, Javascript, PHP, Visual Basic Dec 7, 2016 Dec 7, 20165d 17h $906
Powerpoint Addin Need powerpoint addin to do image manipulation and alignment functions and do slide save and export functions. the addin can use macro or any technology. additionally it should support library of slides, shapes, icons, pictures and finally color palette and style checker features. the objective is to make stunning powerpoint slides quickly using this productivity tool. 14 C Programming, Visual Basic, Powerpoint, Microsoft Dec 7, 2016 Dec 7, 20165d 16h $446
Scrap LinkedIn - Must have premium account (Long Term Work) Hi, I need someone who can scrap linkedin on long term basis for me. 1. What fields you can give me? Please tell in bid 2. You must have your own premium account (Its paid account) 3. Rate is fixed $600 for every 1 Million data ($60 for 100k data) (Please answer and agree above three) NOTE: This is long term work. Please if you don't have premium account then don't bid... 7 PHP, C Programming, Web Scraping, Linkedin Dec 7, 2016 Dec 7, 20165d 16h $609
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++. The objectives of this task are to become familiar with basic C++ operations, including data structures, dynamic memory allocation and the passing of arguments to functions. The program attached below implements a simple digital filter. Much of the code, including the whole of the ma... 11 C Programming, Windows Desktop, Software Architecture, C++ Programming Dec 7, 2016 Dec 7, 20165d 15h $135
FIX Protocol application connecting MT5 server with Exchange Floors I need to connect MT5 servers to Exchange Floors via FIX Protocol. Each MT5 group will have different setups and should support A book, B book and hybrid A&B combined. The bridge must support all oder types. Other custom specifications will be discussed with the candidate for this project. ONLY programmers with past experience please. 9 C Programming, Script Install, Financial Markets, Software Development, Artificial Intelligence Dec 7, 2016 Dec 7, 20165d 13h $5603
Need bug free ready-made systems **Please do not bid if you don't have following systems. We will not hire anyone to build these systems. We are looking for read-made systems. 1. Pharmacy management systems 2. Retail management systems 3. POS systems 4. Systems for cafes and restaurants 5. Systems for clothing shops 6. Any other generic systems Please bid, if you have developed any of these systems by your self/te... 25 PHP, C Programming, Java, .NET, C++ Programming Dec 7, 2016 Dec 7, 20165d 13h $754
Web developer and System Engineer About the company We operate web system and applications development for start-up companies, with our telecommuters in Japan, Mongolia, Vietnam, Thai, Pakistan, and UK. Job Description Building web system through telecommuting; Responsible for developing high quality web applications (e.g.) Development in -telemedicine system using/applying WebRTC -C to C platform -Application bot ... 35 PHP, C Programming, Java, Ruby, Swift Dec 7, 2016 Dec 7, 20165d 12h $26
تطوير كود سي بلس بلس - open to bidding السلام عليكم ورحمة الله بركاته ابحث عن شخص يساعدني في تطوير كود سي بلس بلس فهل لديك الوقت لذلك حتى ارسل لك التفاصيل للعمل؟ 22 C Programming, SQL, Report Writing, Microsoft Access, C++ Programming Dec 7, 2016 Dec 7, 20165d 12h $622
ffmpeg and Opencv developer required -- 2 Hi, I am looking for experice C + linux developer, with advance ffmpeg and opencv background to work on my current source code and fix some bugs regarding to serial detection. Please contact to me if you have have experience or some version already done. Regards 13 C Programming, Linux, Video Broadcasting Dec 7, 2016 Dec 7, 20165d 12h $256
Firmware Development in Atmega2560 Hello, We are looking for a freelancer to work in the firmware development for our new project. Unit has the following: Touch Screen, Smoke Detector, Carbon Monoxide Detector, Air quality detector, temperature sensor & motion detector. Will provide more information on discussion. Regards, Nessen Paul 33 C Programming, Electronics, Microcontroller, User Interface / IA Dec 7, 2016 Dec 7, 20165d 12h $507
Opus codec demonstration in Android for streaming audio Hello, You are required to make an Android application that demonstrates the use of the Opus codec ([url removed, login to view]) to stream audio from one phone to another. In a nutshell, the application will do the following - - Use a "AudioRecord" to get audio from the phone mic. - Compress this audio using the Opus library. This will require JNI / NDK knowledge as the Opus libr... 14 Android, C Programming, Mobile Phone, Wireless Dec 7, 2016 Dec 7, 20165d 12h $283
Showing 1 to 50 of 252 entries
« 1 2 3 4 5 »