Top Upwork Freelancers

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  1. Mihail K.

    Mihail K.

    UNIX/Linux administrator

    Belarus - Last active: 3 months ago - Tests: 5

    I love UNIX! I love one-line shell scripts! I work with Debian, RedHat, HP-UX. Little with OpenSolaris and FreeBSD. I have experience in creating and supporting monitoring systems based on Zabbix and Nagios (several tens of servers with different OS). I am well familiar with network protocols and tools for testing and troubleshooting (wireshark, tcpdump, nmap, traceroute, etc.). I have experience in creating secure VPN tunnels based on OpenVPN, IPSec, L2TP/IPSec, GRE and PPTP. I was installing and configuring lighttpd, apache httpd, nginx, exim4, dovecot, samba, OpenLDAP, etc. I have experience with creating mail servers used in hosting company for many customers. I was working with virtualization Xen, KVM, VMware. Have experience with cloud services like Amazon EC2. I have experience in installing and configuring Oracle 10g, 11g, PostgreSQL, MySQL.

    $16.67 /hr
    88 hours
    4.97
  2. Peter Hanna

    Peter Hanna

    SharePoint Architect, Workflow, Office 365 Expert

    Egypt - Last active: 2 months ago - Tests: 4

    Need some IT Magic, I'm your guy. ;) With my 8 years of experience in both the development and administration sides of IT business, I've learned to combine both skill sets with a strong analytical mind to create almost magical solutions to issues no one else could solve. I'm an 8 years of experience IT professional, I've administered and developed for almost all of Microsoft systems with most of its recent versions (OSC, Lync, Sharepoint, SQL, IIS, Active Directory, Exchange, Hyper-V....) I have been working on SharePoint development and SharePoint architecture for more than 8 years and I am very experienced with developing SharePoint features, SharePoint workflows, SharePoint web parts, SharePoint scheduling, SharePoint reporting, SharePoint customization, SharePoint configuration and SharePoint solutions. I also have been working on a lot of important SharePoint products and web portals. So, If you need to develop SharePoint portal, SharePoint workflows, SharePoint customization, SharePoint integration, or SharePoint solutions please feel free to contact to me. I'm also specialized in SQL administration and development.

    $20.00 /hr
    292 hours
    5.00
  3. Oleksandr Moskalenko

    Oleksandr Moskalenko

    Operations Engineer

    Ukraine - Last active: 10/17/2014 - Tests: 7 - Portfolio: 5

    Over last years i worked as Operations Engineer, Team Lead. I was involved into several network, web and mobile projects. Worked for large enterprises and startups. Have an experience working with different network equipment, OS and software. I use different technologies in my work and open to discuss on what to use and why.

    $33.33 /hr
    53 hours
    5.00
  4. Yaro Apletov

    Yaro Apletov

    Full Stack Web Developer

    Spain - Last active: 4 months ago - Tests: 4 - Portfolio: 9

    I am a fair and honest contractor, who always listens carefully to customers to determine and understand their business requirements, fulfill them and to provide an added value in every job I take. Delivering great and well documented solutions on time and budget - is always my goal number one! I possess a Master's Degree in Maths and CS and a broad experience in software architecture design and implementation for various domains and platforms. I am a passionate programmer with love for tdd, bdd, clean, optimal and readable code. My specialization is in building end solutions with web technologies, using Ruby, Rails, Javascript (Coffee) with AngularJS and Meteor. Outside of work, I am a keen technical writer of articles on programming and CS. Experience: All development phases - from interviewing customers, gathering and formalizing technical requirements to post sale customer support - solo and as part of a distributed team. Technologies: Proficient knowledge and regular use of technologies and methodoligies, such as Agile, TDD, BDD, CI, oop, patterns, optimization, ajax, sockets, mvc, fp, parallel processing, network api and communication. Tools: Extensive knowledge and regular use of development and related tools: Windows Server/Linux/LDAP/Samba/AD/DNS/DHCP/MS Sql/Mysql/Postgres/Mongo, IIS/nginx/ssh/git/travis/heroku/github.

    $30.00 /hr
    109 hours
    5.00
  5. Artem T.

    Artem T.

    Expert Web developer

    Ukraine - Last active: 4 months ago - Tests: 10 - Portfolio: 7

    Hi, I'm Artem, a freelancer from Ukraine (UTC +2) In my portfolio, there are a few projects that I've developed. I believe that my strong points are my Creativeness and Punctuality. Over the last 7 years, I have developed many interested projects using html5, css3, php, mysql, javascript, jquery, etc. While working on a new project, I like to chat with the client, so that I can have a clear understanding of his/her needs and vision of the project. I'm honest and fair. I also have some experience in the following areas: SEO optimization, product management and QA management Thank you in advance for your time and consideration. I look forward to working with you soon.

    $13.33 /hr
    53 hours
    5.00
  6. Ruben G.

    Ruben G.

    Web Developer and Adobe Flex, AIR, Actionscript 3.0 Certified Expert

    Ukraine - Last active: 2 months ago - Tests: 5 - Portfolio: 1

    Over the last years I have developed a wide range of client applications using Flash, Flex, AIR etc. My background in management includes 5 years working in the media and gambling sectors of the IT market. In addition to this I have extensive knowledge of Flash and Flex technologies which give me 8 years of total development experience. Also have theoretical knowledge in HTML5, CSS3 and Javascipt, including latest frameworks (AngularJS, EmberJS and BackboneJS) and I would like to take small projects in this area for LOW RATES to increase my experience and have some practice. Please contact me if you need some bugfixing or implement some stuff in these areas. As someone who always provides high quality of service, I always try to be closely involved in different stages of the project to fully understand the business needs of the requirements and provide the best and creative solutions. On every project I work on I bring fresh ideas and creative way of thinking.

    $16.67 /hr
    28 hours
    5.00
  7. Michael Paulukonis

    Michael Paulukonis

    C#, ASP.NET, JavaScript Software Engineer

    United States - Last active: 08/14/2014 - Tests: 2 - Portfolio: 5

    I have have been programming professionally in C#, ASP.NET, JavaScript and VB6 (!!!) since 2003. I love to tease out solutions for unusual customer requirements, to untangle tangled legacy code, to solve problems, and to look back years later and see that it still works, and is still maintainable. I'm particularly interested in helping you with your wiki (PmWiki, Screwturn) or JavaScript * Programming - C#, JavaScript, jQuery, PHP * CMS - PmWiki, Wordpress, ScrewturnWiki * Web Design - HTML and CSS * Forms Design and Programming - Frevvo

    $55.56 /hr
    14 hours
    5.00
  8. Matthew Bartlett

    Matthew Bartlett

    Level Designer

    United States - Last active: 08/22/2014 - Tests: 2

    Hi, I am currently a senior studying Game Design & Development at Cogswell College in the Silicon Valley. Though it is my second language, I am fluent in German as I spent 13 years in German schools in Europe and graduated with high marks on my abitur. I'm currently looking to supplement my part time job with contract work, but with taking classes full time I only have weekends available for extra work.

    $13.89 /hr
    115 hours
    5.00
  9. Alex M.

    Alex M.

    ASP.NET/C#/MVC/AJAX Certified Developer, Team Lead

    Russia - Last active: 08/30/2013 - Tests: 6

    + Strong Design and Development skills + .NET 1-4, C#, WinForms, ASP.NET, MVC 2-3, XML, XSLT, Web Services, ADO.NET, Remoting, Multi-threading + Active Server Pages (ASP) 2.0, Perl, PHP, DHTML, JavaScript, AJAX, Cascading Style Sheets (CSS) + Microsoft Internet Information Server (IIS), Apache+ Microsoft SQL Server, Postgre SQL, MySQL CERTIFICATIONS MCP - Developing and Implementing Web Applications with Microsoft Visual C# .NET MCP - Developing and Implementing Windows-based Applications with Microsoft Visual C# .NET

    Groups: Microsoft Certified Professionals

    $55.56 /hr
    3,799 hours
    5.00
  10. Jakub B.

    Jakub B.

    Hardware prototyping, DSP, python programming

    Poland - Last active: 2 months ago - Tests: 4 - Portfolio: 1

    I am an engineer specializing in Arduino and Electronics. I'm PhD student of audio engineering. I was studying at the Faculty of Electronics and Computer Science. My core competency lies in signal processing and prototyping devices (with sensors, light, motors, audio and wireless connection). During my studies I also learned programming with C++, Python and MatLab and I developed some Android apps. Apart my basic competency (hardware design) I'm making interactive applications based on processing language for desktop and for web (using processing.js) Don't hesitate to contact me.

    $30.00 /hr
    888 hours
    4.94