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C Job Cost Overview

Typical total cost of Upwork C projects based on completed and fixed-price jobs.

Upwork C Jobs Completed Quarterly

On average, 203 C projects are completed every quarter on Upwork.

203

Time to Complete Upwork C Jobs

Time needed to complete a C project on Upwork.

Average C Freelancer Feedback Score

C Upwork freelancers typically receive a client rating of 4.76.

4.76
Last updated: August 1, 2015
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  1. Randy B.

    Randy B.

    Systems Engineer | Cloud Computing DevOps

    Philippines - Portfolio: 2

    + Professional system administrator with more than 6 years of extensive experience in *nix systems. + Experience in automated and scalable hybrid clouds like Rackspace, GoGrid, RightScale, Joyent, Linode, DigitalOcean and AWS (EC2, S3,RDS, SES, Glacier, CloudFront, CloudFormation, Elastic Beanstalk, VPC). + Competence in design, implementation, deployment, performance optimization and maintenance of high-capacity, mission-critical server infrastructure. + Knowledgeable in setting up Atlassian tools (Jira, Confluence, Bamboo, Crowd, Crucible, Fisheye and Greenhopper). + Well-versed in systems monitoring setup, configuration and customization (Zenoss, Zabbix, Nagios, Munin, Monitis and Monit). + Strong understanding of the TCP/IP protocol. + Specialities: C/C++, Python, Perl, PHP, Bash

    $22.00 /hr
    1,032 hours
    5.00
  2. Petr Baudis

    Petr Baudis

    Consulting Programmer

    Czech Republic - Tests: 6 - Portfolio: 4

    Petr Baudiš has over 10 years of experience as a C and UNIX programmer and Masters degree in Computer Science (Artificial Intelligence). Among many things, he was one of the ori­ginal Git developers, worked as GNU libc main­tainer at SUSE Labs, is author of one of the best Go-playing software in the world Pachi and an advanced AI system for question answering YodaQA. He is currently an AI resea­rcher, teaches technical courses at the Charles Univer­sity Prague (best C.S. university in country), Prague and works as inde­pendent software consultant. See also http://pasky.or.cz/pro/ and http://pasky.or.cz/cv/. His main professional focus is machine learning for NLP, with research experience with state-of-art methods (word2vec, RNNs, ...) but not shy to apply the simple and robust methods if they are the best fit. He also offers his experience in solving demanding technical challenges in the context of UNIX/Linux programming (system programming, advanced shell/Perl scripting, low-level optimization and parallelization) and other fields of Artificial Intelligence (game AI, machine learning, image processing, DSP, ...). He is no stranger to bug hunting in vast code-bases and reverse engineering proprietary protocols and file formats. One of his hobbies are microcontrollers and he can put that knowledge into use too.

    $125.00 /hr
    414 hours
    4.95
  3. Dmitry Artamoshkin

    Dmitry Artamoshkin

    Browser extensions expert (Chrome extension, Firefox addon)

    Russia - Tests: 6 - Portfolio: 7

    Current areas of interest: Browser extensions, plugins, bookmarklets and etc. Developed dozens browser extensions for Chrome and Firefox browsers for clients and for personal use. I've gained rich experience in Ebay API, Google Drive API, VK API, online dictionaries, html5 video and a lot of other APIs and technologies. And I'm always ready to master something new. Page modifications, script injections, toolbars, popups, mashups, API integration, user action automation - that's my job and I really like it! Also I have strong web-development background and I have got rich experience in: - Perl, PHP, HTML, CSS, Javascript, jQuery, AJAX, MySQL - Yii, Wordpress, Joomla - Adobe Photoshop, Adobe Illustrator. Master's Degree in Computer Science. Have 7+ years of experience in IT Industry. I'm looking for the opportunity to utilize my varied skills in full-time or part-time work.

    $40.00 /hr
    826 hours
    5.00
  4. Ahmed H.

    Ahmed H.

    Web Dev | UNIX | Python | Raspberry Pi

    Egypt - Tests: 3 - Portfolio: 3

    Expert Python programmer, PEP8 clean code, experience with multiprocessing and big data processing. Senior PHP/MySQL developer, I provide high-end secure Object-Oriented PHP Code, as well as optimized database integration. Advanced CodeIgniter development including extensions and new modules creation. As well as the Yii framework! SSL Certificates Setup (experience in Nginx servers) PostgreSQL solutions for PHP & Python + PDF report generation. I work with Linux servers CentOS - Ubuntu/Debian. Expert FreeBSD sysadmin + Kernel Development. I'm a certified Embedded Systems Developer. AVR ATMEL, ARM Cortex-M3. Experienced in Arduino and Raspberry Pi programming and hardware projects. Django framework, I have a good knowledge of CSS, HTML. Ajax, and XML. Also Smarty PHP and templating systems and MVC frameworks. eCommerce solutions, and custom modules for frameworks such as OpenCart, PrestaShop, osCommerce and Magento. AWS (Amazon Web Services) Integration including S3 storage and EC2. Major API integration (twitter, Google, Youtube, timeanddate.com, USPS, and others) Keeping it simple and organized.

    $33.33 /hr
    304 hours
    4.84
  5. Yevhenii Z.

    Yevhenii Z.

    Senior iOS Developer

    Ukraine - Tests: 3 - Portfolio: 5

    I'm a mobile software developer and fully focused on iOS platform last years. I have over 5 years of experience in software development, and over 4 years of experience in developing iOS applications. I have worked with different aspects of iOS platform such as low level C programming and using run-time for specific tasks, developing frameworks which used in different projects and changing third part code for exact project, fully custom UI written with low level coding and exotic UI behavior logic, also reach experience with customizing native UI elements and creating pretty animations, using iOS native frameworks for resolving long range of application tasks. If you have a great idea for awesome Application, and you know what exact you want or maybe you want to add new feature to App in AppStore and add support of new iOS version – I’ll develop or improve it, we can work together. Development Specialities & Experience: • iOS SDK (6.x, 7.x, 8.x), XCode, XCode Instruments • Swift, Objective-C, C, Objective-C Runtime • Core Animation, Quartz Core, Core Graphics, CoreText, UIKit • Core Audio, AVFoundation • Map Kit, Google Map Service, Geolocation • Core Data, Cloud Kit, Parse, REST, SQLite, JSON, XML • REST, SQLite, JSON, XML • Social networks API: Facebook, Twitter, LinkedIn, Instagram, Google+, etc • CocoaPods, MagicalRecord, AFNetworking, etc • TestFlight, Crashlytics, iAd, Push Notification, Dropbox SDK • In-App Purchase

    $23.00 /hr
    113 hours
    5.00
  6. Geoff Wyche

    Geoff Wyche

    Experienced Computer Engineer

    United States - Tests: 3 - Portfolio: 2

    I earned my Bachelor of Science degree in Computer Engineering from The University of Texas at Austin in 1996. I have since worked with several companies primarily involved in embedded systems, C/C++ applications, and computer networking. Most recently I have been working with Java, Python, Linux, Android and Raspberry Pi systems. I enjoy learning new languages, libraries and systems.

    $30.00 /hr
    331 hours
    5.00
  7. Olaf Dietsche

    Olaf Dietsche

    Senior software developer

    Germany - Tests: 34 - Portfolio: 5

    I am a professional software developer, working as a freelancer since 1987. My primary programming languages comprise C++, Java, SQL and various scripting languages (shell, perl, awk, ...). My skills also include both front end (HTML, CSS, Javascript, jQuery) and back end web development (PHP, JSP, Java servlets). I have done projects on my own, in small teams of 2-4 developers, and in large teams as well.

    $45.00 /hr
    80 hours
    5.00
  8. Dimitar V.

    Dimitar V.

    Software Engineer

    Bulgaria - Tests: 4 - Portfolio: 7

    Ambitious, hardworking, determined. Professional experience in vast corporate applications for world wide famous companies. Passionate programmer with a four-year record of programming in modular, object-oriented and agile approach. Strong working knowledge of algorithms and data structures. Well-versed in all phases of the software development life cycle, Engineering customized solutions improving business processes, operations and profitability. Skills include: Software Development; User Training and Exams preparation; Coding, Scripting; Testing and Documentation; Debugging and Troubleshooting; Design patterns; Agile Development including Test driven development(TDD), Scrum. Technology: Programming: C, C++, C#, Python, XML, HTML Programming experience: ASP.NET MVC 5, STL, Multi-threading, Win32API, Windows drivers, Windows services. Software: Unity3d, MS Office Suite, MSSQL, BugZilla, Entity Framework, Hibernate. Systems: Windows(all), Linux Source Control: GIT, SVN, Perforce, ClearCase. Manage all programming phases - coding, prototyping through testing, integration and deployment. Professional experience include various Applications with C# mainly with WPF for Windows 8/8.1, Windows CE/Mobile, Windows Phone 8/8.1/10. Test Framework development and porting to different Windows platforms with C/C++ and C#. Development of a connection layer for kernel and user space using C/C++. Windows 8 API for connecting to Windows Phone 8 using C++11 and STL. Games Entertaining site with GBA Emulator, Nintendo Emulator Softwar and Super Nintendo Emulator Software written with ASP.NET MVC 5 in C#, Bootstrap, Silverlight, Entity Framework, LINQ-To-SQL. Skype-id: Dimitar-VV

    $15.56 /hr
    16 hours
    4.97
  9. Parth Solanki

    Parth Solanki

    Expert Java Developer

    India - Tests: 4 - Portfolio: 7

    I am a software developer with 3 years of experience in the field, working in several projects in a wide range of solutions in Web Applications, mostly using Java technologies. I like to do programming so much. I am very enthusiastic at my work. I am the person who is fully dedicated towards the deadline of the work. Expertise in Java frameworks like Spring, Hibernate, Thymeleaf. Expertise in J2EE architecture like XML, MVC, Web Methods, Tomcat. Expertise in web/application servers like Apache (Apache HTTP Server), Tomcat (Apache Tomcat Server). Expertise in MySQL,MongoDB Expertise in Html, Css, JavaScript,Jquery, Ajax,AngularJs. Expertise in Android.

    $12.22 /hr
    52 hours
    4.98
  10. Arnaud Chol

    Arnaud Chol

    Arduino and Processing Developer

    France - Portfolio: 1

    Hi, I'm Arnaud - I'm one of the three owners of https://tutoarduino.com. - I've been learning programming languages as C, C++, java, python and web languages like HTML, PHP for 5 years. - Three years ago, I discovered the Arduino world, that has passionated me as nothing else before. I'm now considering myself as an expert as I now pretty everythink on this little card. - As examples of what I can do, are the LED cube made of 125 leds slodered together, you can see a video of this cube in action here : https://vimeo.com/109945869/ this cube is Arduino based, it reacts to music, though a java program made with Processing, but you can also preprogram it with a 3D interface made with Processing. - I can also tell that I've recently created what I'm calling the PI-Plug, whitch is a plug that you can control with a web site wherever you want whenever you want.

    $22.00 /hr
    15 hours
    5.00