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

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On average, 8 CVS projects are completed every quarter on Upwork.


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CVS Upwork freelancers typically receive a client rating of 4.88.

Last updated: October 1, 2015

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Daniel Yavorovich

Daniel Yavorovich

System Administrator

Ukraine - Portfolio: 1

Operating Systems ● FreeBSD ● Linux Security ● iptables ● openssl ● jail ● clamav ● mod_security ● mod_clamav DNS ● Bind ● PowerDNS (+PostgreSQL / +MySQL) HTTP ● Apache ○ MPM: prefork, worker ○ mod_ssl, mod_php, mod_wsgi ● Nginx ○ Access control ○ Autoindex ○ Fast-CGI ○ uWSGI ○ Proxy ○ Cache ○ SSL ○ upload_progress_module ○ Control panel integration ■ Virtualmin ■ DirectAdmin ■ Plesk Proxy ● squid ○ basic auth ○ transparent proxy ○ cache ● 3proxy ○ http/socks ○ auth Raid ● Linux ○ md(0,1,5,6,10) ● FreeBSD ○ Gmirror / Striping File Systems: ● Ext 2,3,4 ● ReiserFS ● XFS ● OCFS2 ● ZFS (port to FreeBSD) ● CEPH CVS ● SVN ● Mercurial ● GIT ○ GitLab ○ GitoLite Backup ● rsync ● BackupPC ● Bacula FTP ● ProFTPd ● VSFTPD File sharing ● NFS ● SAMBA Control Panel ● Direct Admin ● Webmin+Virtualmin ● CPanel ● ISP-config ● Plesk Automatization ● Puppet ● Saltstack Monitoring ● Zabbix ● Nagios ● Munin ● Monit Network Understanding of theoretical and practical foundations of the networks (Data link, Network, Transport, Application Layers). VPN ● OpenVPN ● PPTP Database (SQL) ● MySQL (+MariaDB, +Percona) ● PostgreSQL Database (NoSQL) ● ElasticSearch ● Riak ● MongoDB ● Cassandra ● Redis Virtualization & Containerization ● KVM ● XEN ● OpenVZ ● LXC ● Docker ● Vagrant Cluster ● DRBD ○ master-slave ○ master-master (+ocfs2) ● Heartbeat ● Pacemaker Development ● actively use: ○ shell (bash, sh) ○ Python ● Frameworks ○ Django ○ Flask ○ Twisted ○ Tornado Cloud Solutions: ● AWS (EC2, S3, CloudFront, Route53) ● DigitalOcean ● RackSpace

100% Job Success
$33.33 /hr
46 hours

Yashpal Gohil

Yashpal Gohil

C++, Qt, VC++

India - Tests: 5 - Portfolio: 3

In more than 7.5+ years I have developed softwares for desktop application and embedded platforms. Worked in different domains like education, security, farming soluction and PLM. Have expertise in C++ with Qt and VC++ on different version of OS of windows and Linux. Software Developement models used are Agile developement practice and waterfall model. Different version control systems I have used so far are, Mercurial, Git, SVN and CVS I believe in delivering quality product with end to end solutions for my clients.

$22.22 /hr
32 hours

Volodymyr K.

ASP.NET, MVC, WPF, WCF, Database, QA

Ukraine - Tests: 2 - Portfolio: 7

My knowledge and skills in desktop, web, database development that I have gained during more than 9 years, and last 4 year as a Team Lead/Project Manager. Familiar with Enterprise technologies (Document circulation, workflow), Project Management/Development Technologies (SCRUM, Agile, RUP, MSF), and have strong technical skills in programming languages and technologies (C#, VB.NET, C++, ASP.NET, WCF, WPF, WWF, HTML, JScript, VBScript, XML, etc.),...

Groups: OpenSocial

$15.00 /hr
1,843 hours

Favio M.

Favio M.

Full Stack Web Developer

Mexico - Tests: 12 - Portfolio: 15

I only work on hourly projects. Thanks! A fast learner and problem solving oriented programmer. I am a Web Developer and loving it! Do contact me to start a discussion about your project and how I can help! Work Policy: * I never bill for learning time. If a feature/project requires me to learn something new, I won't bill you since I'm already adding value via the newly acquired knowledge. * I try to deliver the best quality possible, but this is often a trade-off between time, budget, and the specific project situation. (For example, not all clients would want the time/money investment to create a full unit test suite) * I'll be honest. For example, I like giving suggestions on how to save time/money even if that means less billed hours for me. Frameworks I've used: Zend Framework, CodeIgniter, Drupal, Wordpress, ExpressionEngine, jQuery, YUI, a bit of Symfony, Ruby On Rails, Symfony, Flask. Technologies I've used: SQL, HTML, CSS, Javascript, PHP, Ruby, BASH, mySQL, PostgreSQL, Python.

98% Job Success
$100.00 /hr
3,655 hours

Dmitri G. Agency Contractor


Moldova - Tests: 4 - Portfolio: 7

Experienced developer with outstanding Java/J2EE and Flex skills. Have been working with all modern java techologies and related. Organized, realible, self-motivated and agile developer and project manager. I can take a project from the initial concept stages, create a system design and implement it successfully. Guaranteed qulity and in time delivery!!!!

Associated with: SanDevelop Agency

$40.00 /hr
2,713 hours

Syed Muhammad Humayun

Syed Muhammad Humayun

Senior Developer

United States - Tests: 2 - Portfolio: 3 13 years of industry experience have helped me understand the customer's perspective a lot and with that understanding and the skillsets that I have nurtured during those years, I'm able to devise solutions that not only meet customer expectations but also left a long lasting satisfaction that end-up having a stronger relationship built on trust and loyalty. I developed numerous applications single handedly as well as in a team. I've lead several teams and have also worked as a team member. I've worked on all the three editions of Java Platform - JSE, JME and JEE. I've developed 1. Desktop applications build on Java Swing and AWT. 2. Web Applications using Java, JSP, Servlets, Struts, Hibernate, Spring, etc. 3. Web Services and both published and consumed Web Services using Apache Axis and Apache CXF. 4. Distributed Applications using Network Programming and Multi Threading. 5. Mobile Applications on Java ME platform. Some of the notable projects that I've worked on are: 1. RivePoint - A Location Based Services Platform using Java ME, J2mePolish, kXML, Maven, Nokia SDK, RIM SDK, etc. 2. Enterprise License Management System - A distributed license management system using Java SE, Network APIs, Crpytography APIs, Multi Threading, Swing, Look & Feel, etc. This is in use currently behind the scenes in eDev Tech's flagship InteGREAT products. 3. Apus IntelliSync - A distributed, fully scalable and fault tolerant database sync solution that supports heterogenous database systems. Built using Java, SQL, Compression APIs, Spring, Maven, Multi Threading, Network Programming, etc. 4. Rover Lite/Regular - A salesforce automation system built using Java ME Platform, J2mePolish, Nokia SDK, NetBeans Mobility Pack, Bluetooth API, Connection API, kXML, Compression API, ANT, etc There are numerous projects that I just can not mention here because of shortage of space and time. Similarly, I've worked on plethora of frameworks and APIs within Java eco system. For details you can refer to my CV/Resume. I would also encourage you to have a look at my LinkedIn profile:

78% Job Success
$60.00 /hr
109 hours

Dung C.

Dung C.

Web & App developer, Cloud Computing (Amazon), Visual tool development

Vietnam - Tests: 6 - Portfolio: 6

With 10 years' experience gained as programmer, I could deliver you with quality works in Web Development, Software Development, ERP Implementing, SOA. Visual development environment. I am commited to delivering on time and on budget. Here, I can offer. WebDesign/Development Blog, theme: Wordpress E-Commerce Solution: Drupal CustomSolution: html, css, Javascript, jQuery, flash, PHP, JSP, ASP.Net Software Development Desktop Application: VB6, VB.NET, C# Deployment: WIX Plug-inApplication: Eclipse, Outlook Mobile Application: iPhone, Android ERP (OBCERP) implementing in modules Master Data Accounting Human Resource Production & Cost Purchasing SOA programming, Platform ebay WS, Cloud Computing(AmazonWS), ClickBank API Visual Development Outsystems Agile Platform

Groups: Bluehost Developers and Designers

100% Job Success
$15.00 /hr
7,829 hours

Alexander Kabakov

Alexander Kabakov

Full-stack Web Developer (Python/JavaScript)

Russia - Tests: 3 - Portfolio: 2

My primary interest is to build modern web applications. I also interested in data mining and statistical analysis. I mainly use python to solve problems. I use HTML5 and Javascript on client side and Linux + Python on server side. Automation is the key to decrease ownership cost. And I automate everything using python and bash scripts. Previously I developed specialized Linux application for express-payment terminals using C++ library Qt and Python. I also worked with C# during my work at AutoTracker company. There I created web-interface using Adobe Flex and ActionScript language. Previous experiences includes Borland Delphi, Borland C++ Builder, Php, 1C, Perl, Pascal.

$20.00 /hr
698 hours

Glen Millard

Glen Millard

Sr. SQA Engineer/Systems Admin/Linux/UNIX/Apache/Tomcat/PHP/MySQL/shel

United States - Tests: 6

For the last 10 years, I have been working in the software testing field. I have developed my own test harnesses using a combination of Perl , shell and some tcl/tk scripts. My core competency lies in automation and deployment , mostly in a Linux/UNIX environment. I can also do system/network administration if need be. I have a good foundation of ecommerce deployments (oSCommerce). I have experience in automated software testing and some debugging skills. I have experience in basic firewall configurations (iptables), as well as aspects of security (ip tunneling, ssh, ssl) I can manage Cisco Routers/Firewalls at a basic/intermediate level too. I am quite experienced with various PBX software packages (Asterisk and their flavours) as well as VoIP technologies. I am quite savvy with video/audio streaming (ogg, gstreamer, etc) I am seeking opportunities to assist folks/companies to maintian, build and develop test plans, test cases and automated builds/tests for thier software. I am more efficient in a Linux/UNIX environment.

$30.00 /hr
931 hours