C Developers & Programmers

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On average, 169 C projects are completed every quarter on Upwork.

169

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Time needed to complete a C project on Upwork.

Average C Freelancer Feedback Score

C Upwork freelancers typically receive a client rating of 4.71.

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Last updated: May 1, 2015
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  1. Wilson P.

    Wilson P. Agency Contractor

    C/C++/OpenGL/Network Programmer

    India - Last active: 1 day ago - Tests: 3 - Portfolio: 5

    I am a C/C++ programmer with fair experience in Java and HTML/CSS/Javascript. I specialize in algorithm intensive game physics and ai, desktop applications using wxWidgets, machine learning and C++ based web development targetted for ASPs. Over past 2 years I have 1) Developed from scratch the physics and character maker for a 2D massively multiplayer game. 2) Developed Opensource web application framework in C++ which implements the fastcgi protocol and is designed to solve the c10k problem. 3) GUI for several desktop trading applications using wxWidgets.

    Associated with: Kefas Softwares

    $22.22 /hr
    2,302 hours
    0.00
  2. Rajesh pr

    Rajesh pr Agency Contractor

    VC++/C#.NET Developer

    India - Last active: 21 days ago - Tests: 1 - Portfolio: 6

    I have 8+ years of experience in C++,MFC,C#.NET,JAVA,QT C++ etc and I have developed plenty of application using these technologies which includes our own products listed in the website (http://www.ktsinfotech.com) as well as several client projects I have years of experience in the following domains:- * Video steaming * Video analysis * Xml communication * Android application development

    Associated with: KTS InfoTech Pvt Ltd

    $22.00 /hr
    3,769 hours
    0.00
  3. Yuri O.

    Yuri O.

    C# / VC++ Creative Development Expert

    Belarus - Last active: 12/10/2004

    Since the beginning of the MS .NET era I'm deep focused on .NET platform, specializing in different applied techniques such as: .NET Common, Windows (Web) Forms, .NET Remoting (Web Services), COM Interop mixed solutions, ADO.NET, XML etc. Especially I have an advanced experience in reusable solution development (.NET components; ActiveX (COM)); effective design-time support for component development; GUI essentially, Multithreading, .NET Remoting (Web Services) applied solutions and Windows Internals along with advanced Shell. --- Languages & Tools --- Languages: - C#, VC++, (C++, C), Pascal (Delphi), Prolog, FORTRAN, Mainframe ASM. Libraries: - CLR, ATL, WTL, STL. SQL: - MS SQL, Sybase, FireBird, Interbase, Oracle. RAD & Tools: - MS Visual Studio (VS 5 .NET 2005), MS Visio, EA, MS Project, ERWin, Crystal Reports, Delphi. Graphic Design: - Adobe Photoshop (ImageReady).

    $32.50 /hr
    64 hours
    0.00
  4. Pawel Sztur

    Pawel Sztur

    Python and C Software Engineer

    Poland - Last active: 4 days ago - Tests: 2

    When working as embedded software developer, low level programming made me undestand behind the scenes of it all. Now focusing on developing operating systems and python as a tool to speed up and make everyday job simplier and more reliable.

    $30.00 /hr
    1,193 hours
    0.00
  5. Mihail Muravev

    Mihail Muravev

    iOS & Android developer ,C/C++, Objective-C, Java/Scala Play Framework

    Russia - Last active: 04/15/2012 - Tests: 1 - Portfolio: 1

    I'm develop mobile applications for iOS and Android OS, as well as programs for backend use play framework, java/scala. My recent works are related to music programs, image processing with OpenCV for mobile devices and client-server apps.

    $16.67 /hr
    364 hours
    0.00
  6. Mike Harley

    Mike Harley

    C++, Python, PHP Developer

    Canada - Last active: 9 days ago - Tests: 1

    A self-motivated Software Developer with years of experience in PHP and Python/Django web development and C\C++ PC desktop application development. I also have experience with Javascript, jQuery, HTML, CSS, PostgreSQL and MySQL databases and integration with Google Maps, Twitter and Facebook. I have worked independently on small projects and as lead developer on large projects. I can help with all aspects of the software development life cycle.

    $33.33 /hr
    56 hours
    0.00
  7. Oleksandr Molchevskyi

    Oleksandr Molchevskyi

    C/C++ Windows Linux Desktop and Embedded programmer

    Ukraine - Last active: 28 days ago - Tests: 5

    I was working for more than 15 years as a software programmer for companies like Accenture, Harman Becker, Luxoft, KPN, Nokia. I have experience in development of software for desktop Windows, Linux and embedded Linux, Meego, Android, VxWorks operating system. Mostly I used C and C++ but I have experience with Pascal, Delphi, Ada, TCL and many other languages and tools. I like to learn new programing languages and increase of my experience.

    $30.00 /hr
    99 hours
    0.00
  8. Thijs Sillen

    Thijs Sillen

    Embedded System Designer

    Netherlands - Last active: 6 days ago - Tests: 1

    Hello. My name is Thijs from the Netherlands. I have designed various electronic and mechanical prototypes for customers. With an in house 3D printer, 3 axis cnc machine and a stencil cutting machine I can do most of the prototyping in house saving you the customer money. My specialty is Ultra low power design using Texas Instrument or Cypress technology system on chip devices. (E.g. Energy harvesting) And fast prototyping using Cypress PSOC 4/5LP chips. Some projects that i have realized are: -TI CC110L Ultra low power 433Mhz rf transceiver board. -A controller board for a smal UAV -PCB and software design of a small Reflow oven controller -Relay controller board -And much more The software that I mainly use is: -Altium Designer 14.x -Solidworks CAD for modelling 3D parts. -Autodesk Fusion 360 CAD for modelling 3D parts. -Microsoft visual studio C# to make custom WPF applications to test / interface with designs. -QT to make cross platform compatible graphical applications to test / interface with designs. -Autodesk Fusion 360 CAM for generating code for the CNC machine -BobCam for Solidworks V2 for generating code for the CNC machine -Cura for 3D printing parts Prototyping / lab equipment that I have: -Ultimaker 2 3D printer -FS4MG LANG CNC machine -Rigol DS2000 Full option oscilloscope (300Mhz) -Rigol DM3058 5 1/2 digit bench DMM -Agilent U8001A bench power supply -Peaktech 1890 bench power supply -Wavetek 180 function generator -Saleae logic analyzer -JBC CD-2BB professional soldering iron -Aoyue 968 solder reflow station -Solder reflow oven -Solder paste dispenser -Siemens voltage reference -DMM check plus reference -Microscope for pcb inspection ... Related subjects that I have experience with: -TI Bluetooth low energy chips -TI CC2000 BLDC motor driver -Thermocouple / RTD interfacing -Mains power connected devices -Raspberry pi development -Arduino development -Linux application development

    $37.62 /hr
    213 hours
    0.00
  9. Rogerio R.

    Rogerio R.

    Hardware/Firmware/Software Engineer

    Portugal - Last active: 6 hours ago

    I am a 40-year old electrical engineer with a passion for sophistication and innovation. I have a lot of experience in many areas, a result of both my professional career as well as my own personal projects. Detailed profile information can be found at http://profile.rilhas.com I can design, test, and manufacture hardware (including PCBs) using microcontrollers, FPGAs, USB, UART, I2C, and many more, and integrate them with computers, embedded systems, mains power, motors, various sensors, etc.. It is not uncommon for hardware projects in which I’m involved to incorporate both firmware and software, or even connect to the internet or with mobile phones. I have a lot of experience in the PC world, both as a user and as a developer. I have developed high density ISDN telephony application servers (IVRs) for the main Portuguese telecom operator, with an installed base of over 2000 channels, including a voice mail system complete with voice and text fault-proof database. I have developed a large number of computer systems, both servers and clients. My work with IVR's later included testing and using various ASR and TTS technologies (for automatic speech recognition and automatic speech synthesis from the major providers like Loquendo, Nuance, Philips), applied to various areas from the IVR system themselves (directory assistance, flight booking, and more), a help support system for the elderly (consisting of an emergency telephone help server for the national Red Cross), all the way to systems for the hearing impaired (integrating with JAWS screen reader, for example). I have worked with a team to develop a tool for airport management systems, where my contribution was the development of a complete graphics subsystem based on OpenGL, which is being used up to this date (more than 10 years later), due to its capabilities not having yet been surpassed by the competition. I've developed technology to analyze video images and detect a large number of situations, including FOD at an airport in Açores, intrusion detection, early fire warning systems (marketed as CICLOPE), fire prevention systems at PORTUCEL (one of the main producer of paper and other products), illegal car parking, subterranean bus parking, automatic lane management (and infraction detection) on the 25 de Abril Bridge, and many more. I also developed technology to monitor and track bird movements using radar data. A first version used the radar image, and a more recent version uses the raw radar data (captured using a high speed data acquisition system that I also developed specifically for the radars being used). Since this system requires the display of large amounts of data (images with 30+ MPix) I also developed the visualization component (based on OpenGL). I also have some experience in CAD modeling (owing mainly to the fact that I've owned a 3D printer for several years), with which I have created numerous models for small production runs of plastic objects, mainly to assist with electronics projects but which I have also used successfully to create inexpensive plastic connectors and other components for a company that manufactures and installs solar pool heating systems, including automated 2" valves. I’ve also created custom shaped plastic cookie cutters for my wife and toys for my son. :-) I've produced several promotional 3D videos for a few companies, and I also recorded and produced music albums for a number of artists. The systems I have developed in the past make use of (of have integrated with) a wide range of languages, systems, and technologies, including C, C++, C#, JAVA, J2ME, Android, Javascript, Ruby, PIC 10/12/16/24 assembly, i386 assembly, MMX/SSE2, Verilog, TCP/IP, UDP, OpenGL, USB, WiFi, Bluetooth, Raspberry Pi, BeagleBone Black, Windows, Linux, POTS, ISDN, ASR, TTS, among many others. Many of the projects I've worked on have included other people, and I have been the project manager on most of them. For the larger projects where I was not the project manager (like those involving airport security, for example) I was the team leader of the corresponding project component. Given my extensive experience with complex and innovative projects (where a solution is not always obvious from the start and a great deal of creativity is need as the project progresses), I have also developed good skills and intuition for preventing and detecting bugs, both at a code testing stage as well as (more importantly) at a design or specification stage. These skills have proven crucial over the years, and I think that the success of all the projects I worked on depended heavily on them.

    $40.00 /hr
    58 hours
    0.00