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On average, 206 C projects are completed every quarter on Upwork.

206

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C Upwork freelancers typically receive a client rating of 4.73.

4.73
Last updated: July 1, 2015
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  1. Timur Birsh

    Timur Birsh

    Unix Systems Expert and Oracle DBA

    Kazakhstan - Last active: 20 days ago - Tests: 7

    Hello, Over the last 15 years, I am working with the following Unix systems: BSD based systems, Solaris and Linux distributions including Debian, RedHat Enterprise Linux, CentOS, Oracle Linux and Ubuntu. Over the past years I have developed a wide range of solutions: VPN, proxy, mail, web, file, Samba, DNS, DHCP, SSO, database, monitoring, backup, virtualization and high availability servers. I am Oracle DBA with the 5 years of experience. I work for financial institution. On my control a 21 databases. Mission critical and big databases runs on the IBM hardware and AIX operating system. Other databases runs under control of Solaris (SPARC) and Linux operating systems. For data protection we use Data Guard. One of the best products of the Oracle is Enterprise Manager Cloud Control. We use it for the databases and hosts monitoring. Its management repository contains a lot of information. It is very useful in building of custom applications (reports, etc). I have work experience with the following Oracle RDBMS versions: 8i/9i/10g/11g. I am big fan of a tasks automation. For small jobs I use shell scripts. For jobs that have complex logic I use Python or Perl. For complex text processing I use awk, sed and shell scripts as a glue. I have 5+ experience of C language programming for Unix. Hardware administration of the following vendors: Oracle (Sun), HP, Dell. I am contributor of the following free software projects: Debian (http://qa.debian.org/developer.php?login=taem@linukz.org), Transmission Bittorrent Client, inadyn Dyndns client. I maintain the following opensource programs: * sXid - http://linukz.org/sxid.shtml * cd-discid - http://linukz.org/cd-discid.shtml I use Git for source code management. I would be happy to help you. Please do not hesitate to contact me.

    $33.33 /hr
    18 hours
    4.97
  2. Farid B.

    Farid B.

    Full stack Ruby on Rails developer

    Russia - Last active: 1 day ago - Tests: 3 - Portfolio: 1

    Over 10 years of experience with C, Ruby, Ruby on Rails, Go, Linux. I'm self-motivated in improving my skills and learn something new.

    $44.44 /hr
    1,743 hours
    5.00
  3. Alex Efros

    Alex Efros

    Perl Developer, Systems Architect, Linux Admin

    Ukraine - Last active: 01/22/2014 - Tests: 9 - Portfolio: 15

    Experienced in developing distributed systems, network services and backends for websites in Perl. I can develop complete website solution from Linux server installation and administration to complex modern web-interface in JavaScript (except graphical design). I'm developing software since 1989. I work as Perl/Web Developer since 1997. Development priorities: code simplicity and clarity, reliability, security, efficiency. I've experience with Apache and Nginx web servers, MySQL and NoSQL databases, Mojolicious and Backbone.js frameworks, Perl/HTML/JavaScript/CSS, FastCGI, non-blocking I/O, event-oriented and concurrent programming, complex parsing (fetching, parsing and processing complex data from thousands pages on hundreds websites every minute), service-oriented architecture, distributed computing, developing Perl modules, automated testing, … I work as Linux admin since 1994. Experienced in developing own Linux distribution from scratch (2001-2004). I've strong focus on security and since 2004 use Hardened Gentoo Linux. Experienced in developing large systems (50000+ man/hours) as Systems Architect and Senior Developer. Experienced Team Leader and Manager for small team (about 10 developers/testers). Also I'm author of many articles (mostly in Russian) and have small experience (about 6 months) as Top Manager in software company (about 200 employee). Since 2001 I'm working as full-time freelancer. I never agree to work which must be done quickly in exchange for quality. I like to do things in the Right Way and prefer simplicity and minimalism. I'm interested in tasks which should be implemented using OS Inferno and language Limbo (which usually mean distributed and/or highly concurrent systems). I'm looking for long-term business relationships with customers. More details (a lot of my open source software, perl modules, articles, links to LinkedIn/GitHub/etc. profiles) available on my website: http://powerman.name/

    $30.00 /hr
    0 hours
    5.00
  4. Matthew S.

    Matthew S.

    Web Development | Data Processing

    United States - Last active: 09/19/2013 - Tests: 5 - Portfolio: 25

    With over 10 years of professional and freelance experience, my repertoire includes the full SDLC of full-stack web applications, databases, and services. As a contractor, I pride myself on attention to detail, responsiveness, and I aim to provide only quality services to the oDesk community. Below is a brief overview of my technical capabilities: CentOS/Debian Apache/nginx AWS/EC2/S3/CloudFront PHP, JS/jQuery/backbone MySQL, MongoDB Zend Framework, CodeIgniter, Phalcon XHTML/HTML5, CSS2/3, RWD, Bootstrap Adobe CS, Web Video Wordpress, Drupal API development and integration E-commerce development; subscription/ARB And much more.

    $44.44 /hr
    2 hours
    5.00
  5. Eugene B.

    Java/J2EE Developer, C#/.NET, C++ Developer

    Russia - Last active: 1 month ago

    Manager of Information Technologies department, Software Developer, Database Administrator, System Administrator (Protek Company).Software and Web developer (CoCoS Company)OBJECTIVE :To find a job position that matches both my skills and interests, whilerequiring all of my energy and to learn & apply the most effective ITsolutions. I need a job where my intelligent level is used on 100%. I don?t like when my work is equal the charwoman?s work.KEYWORDS :Java, JSP, JSF, Struts, Spring,C#,.NET, Hibernate, iBATIS, AJAX, SWING, PHP, Perl, SQL, JavaScript, HTML, XML, web development, C++, Object Pascal, Delphi, OLE, ActiveX, ADO, PL/SQL, JavaCC, ASM, MFC, IT management, human resources, developmentOracle, MySQL, InterBase, BEANS, PHP

    $22.22 /hr
    772 hours
    4.60
  6. Abhilash M.

    Abhilash M.

    6+Years Experience- Windows/Oracle/HP/Cloud Certified Infra Architect

    New Zealand - Last active: 6 months ago - Tests: 17 - Portfolio: 3

    6+ Years experience in : * BMC Tools Design/Installation/Configuration. * HP Tools : Certified Accredited Integration Specialist * Windows Administration * Oracle certified Solaris Administrator * ITIL V3 certified Process designer. * Web Programmer * PHP/MySQL expert.

    $27.78 /hr
    787 hours
    4.99
  7. Stjepan Obrankovic

    Stjepan Obrankovic

    Versatile software developer, expert in multiple fields.

    Croatia - Last active: 3 months ago - Tests: 13 - Portfolio: 3

    I am versatile and passionate software developer from Croatia (EU) with more than 10 years of experience as professional developer. I have strong mathematical background, excellent coding skills in multiple languages with special accent on code security and very good knowledge of Linux operating system.

    $16.67 /hr
    313 hours
    5.00
  8. Sasa Todorovic

    Linux/Win Administrator

    Serbia - Last active: 1 month ago - Tests: 7

    I'm experienced in UNIX/Linux systems administration but I have very wide experiences in other areas like windows server and desktop systems, wide range of routers (Cisco, Mikrotik, OpenWRT),scripting languages (php, shell, perl, awk, sed), databases (MySQL, Postgres).

    $20.00 /hr
    58 hours
    5.00