Top Upwork Freelancers

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  1. Serega A.

    Serega A.

    MT4 programmer and Forex trader

    Ukraine - Last active: 2 days ago - Portfolio: 2

    I'm a long term trader using various trading methods, automated as well as manual. I develop and trade my own automated trading systems and write Expert Advisors, Custom Indicators and Scripts for MetaTrader4 for my own needs. I use my trading and programming experience to help other traders to implement their own trading ideas.

    $33.00 /hr
    0 hours
    4.98
  2. Alexander S.

    Alexander S.

    Windows, Linux, virtualization engineer

    Russia - Last active: 1 day ago - Tests: 4 - Portfolio: 10

    I specialize in servers administration (Microsoft, Linux) and virtualization technologies (Hyper-V, VMWare,Parallels), with clouds (Office 365, AWS, Azure) I can offer you not only the technical skills (in-depth knowledge of Windows and Linux architectures, local area networks), but also ideas that will contribute to raising the quality of your internal IT-structure. I believe that I can be helpful for your project. • Overall 12 years of work experience in IT. • Experience in building, upgrading and supporting virtual infrastructure based on VMware vSphere (ESXi, vCenter, VCOPS, etc.), Microsoft Hyper-V, VMware View. • Strong knowledge of the principles and technologies of providing High Availability and Disaster Recovery virtual infrastructure such as VMware HA, Fault Tolerance, (S)vMotion, Site Recovery Manager. • Rich experience in P2V (Physical to Virtual) and V2V (Virtual to Virtual) migrations of production customer’s services based on Linux and Windows using VMware vCenter Converter. • Experience in building physical server infrastructure based on HP and IBM server equipment (blade, rack-mount, storage). • Knowledge of the principles SAN and Ethernet networks. • Experience in auditing, troubleshooting and upgrading customer’s server infrastructure. • Working experience with technical documentation (writing and using). Last 8 years I worked in Oil company and Cloud provider company as one of the key specialists on the Teamlead and Senior System Engineer position. My skills can be divided to three main specializations: First of all, my strongest point is enterprise-level virtualization technologies VMware/Microsoft/Parallels: - VMware vSphere 4.0-5.5 - VMware (Horizon) View 4.6/5.0/5.2/6.0 - VMware vCloud Suite - MS Hyper-V 2008/2012 - Parallels Virtuozzo Second area it's Windows/Linux-based services administration: - Microsoft OS and Services: Windows 2003-2012(R2), Active Directory, DNS, DHCP, MS SQL, MS Exchange, Office 365, MS System Center series, Sharepoint - Enterprise infrastructure systems - Symnatec Netbackup, HP Insight Control, Parallels Automation - Service Desk systems OTRS, Kayako, MS Service manager, HP Service Desk - Unix-like OS and Services: CentOS, RHEL, Zabbix, DHCP, DNS, iptables, Apache, Nginx, PHP, MySQL, FTP, Samba The third area is enterprise-level server equipment HP/IBM: - HP Proliant, Blade system, SAN P-series - IBM System X - APC equipment

    $25.00 /hr
    2 hours
    5.00
  3. Sergey Aleynik

    Sergey Aleynik

    Android developer and network engineer

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

    Software and network engineer with 11+ years experience. Highly motivated self-organized professional. Mobile Apps Development (Android) Comprehensive knowledge of network client-server communication. Quick learner, able to integrate easily into teams, has the ability to design and implement solutions to complex problems. Technical skills include: - Core Java programming - Java collections, java concurrent - Multi-threading - Android SDK (Fragments API, SQLite, UI, Widgets, etc…) - ORMLite - Volley - Roboguice - Material design - Animations - Custom UI components - Git - Google Play - AdMob - Linux - FreeBSD - LAMP - xen-hypervisor - Postfix mail server - Bacula - Cisco ( routers, switches, VoIP, WIFI ) - Avaya(VoIP, DECT) - Asterisk - network protocols(SMTP, HTTP, FTP, etc.) and formats(JSON, XML, etc.) - Windows network services. - Windows OS.

    $20.00 /hr
    0 hours
    5.00
  4. Vlad S.

    Vlad S.

    Web and C++ programmer

    Belarus - Last active: 3 days ago - Tests: 4

    I am a student that is very passionate about programming. I really love algorithms and c++ - these are my favorite. I took part in many different programming contests in high school, so I have good knowledge of different algorithms. Also, although English is not my first language, I love it very much. I read books in English and volunteer as a translator of free online courses. If you need a programmer or a translator - I would be glad to help!

    $3.00 /hr
    0 hours
    5.00
  5. Jd P.

    Jd P.

    Flash/Flex Developer

    India - Last active: 21 hours ago - Tests: 2 - Portfolio: 2

    Computer & Designing Languages: Action Script 3.0, Action Script 2.0,Flash Communication Script, .Net (C#) MXML,HTML,SQL Server 2005, Core Java, Java Script, C, C++. Operating Systems: Desktop:Macintosh OS X,Windows 7/Vista/XP/2003/2000/98. Mobile: iOS, Android Applications: Adobe Flash Builder, Adobe Flex Builder, Adobe Flash Media Server, WebOrb Adobe Flash Professional CS3/CS5, SQLite, Microsoft Visual Studio 2008, Net Beans 6.0, Front Page, Microsoft Office,Adobe Photoshop CS2/CS3/CS4, Corel Paint Shop X2/X3

    $11.11 /hr
    0 hours
    5.00
  6. Nishant G.

    Nishant G.

    Php Developer concret5 ,groupon ,wordpress, HTML5, CSS3 ,YII

    India - Last active: 1 day ago - Tests: 2 - Portfolio: 8

    Total - 15 Fixed Price jobs with 5 star rating I am PHP Developer having 5 years of relevant experience. I have good knowledge of PHP. I know paypal integration, authorized.net,Concrete5, Os Commerce,Big-Commerce, WordPress , open-cart,HTML5,CSS3 , RESPONSIVE DESIGNS and mobile website design. I also have strong knowledge of PHP frameworks e.g. CodeIgniter . I have done hundreds of project using PHP, MYSQL, JQuery, AJAX, JSON and the above given CMS and Frameworks. I have done 12 projects of groupon clone .

    Groups: Bluehost Developers and Designers, concrete5

    $15.00 /hr
    0 hours
    4.96
  7. Suhail Akhtar

    Suhail Akhtar Agency Contractor

    Sr. SharePoint 2013, 2010 Architect & Consultant

    Pakistan - Last active: 12 days ago - Tests: 6 - Portfolio: 4

    5+ years of professional experience and Microsoft Certified in SharePoint 2013, 2010, Office 365 and MOSS 2007 Applications designing, development, Administration and Configuration, from small to enterprise solutions. I have extensive experience in SharePoint Designer 2010/2013, InfoPath 2010/2013, Visual Studio 2010/2013, Complex Workflows development, External System Integration with SharePoint using BCS, Custom Web Services for SharePoint, Customizing & Extending Web Parts, Server Side & Client Side programming for SharePoint, using jQuery with SharePoint, Reporting Integration, SharePoint Hosted and Cloud Hosted Apps development and SharePoint Configuration and Deployment. More over having great skill set in C#.NET, ASP.NET, MVC, LINQ, Entity Framework, ASP.NET Ajax, WCF, JavaScript, CSS, XSLT, XPath, XML, SSRS, SSAS and SSIS

    Groups: Microsoft Certified Professionals

    Associated with: Solution Experts

    $32.00 /hr
    1,145 hours
    4.78
  8. K B.

    K B. Agency Contractor

    QA-Test Lead- 5000+ hours in oDesk

    India - Last active: 21 hours ago - Tests: 4 - Portfolio: 6

    I have 7 years of experience in software testing various desktop,web and mobile applications I have great exposure to web automation testing tool like HPQTP and mobile application automation testing tools like Experitest-seetest and Appium. Profile: -International Software Testing Qualifications Board (ISTQB) certified -HP Quality centre 9.2 certified. -HP Quick Test Professional (QTP) 9.2 certified. -Expertise in Manual Testing Process on Client/Server applications. -Experience in writing, reviewing and executing Test cases -Expertise on testing various mobile applications on various platforms like iOS,Android,blackberry, Windows. -Expertise on mobile application automation testing tools using Experitest-seetest and Appium -Analyzing the root cause of the failure of test and preparing the appropriate test reports. Technical Skills: IBM Mainframe, QTP& BPT,Seetest,Appium, Core Java, Vb Scripting, Excel VBA, C

    Associated with: The Measurers

    $11.11 /hr
    5,238 hours
    4.99
  9. Ioan alexandru T.

    Ioan alexandru T. Agency Contractor

    Network and System Engineer

    Romania - Last active: 1 day ago - Tests: 7 - Portfolio: 4

    I am an energetic, well-spoken and capable Network & System Administrator with expertise in Linux Server Administration and Network equipments. I enjoy working on all things IT related, and I have extensive experience of resolving Linux server problem and also network related problems. My key strengths include, but are not limited to: - WebServers: Nginx, Apache, Tomcat; - Databases: MySQL, MariaDB, CouchDB; - Mail Servers : Postfix, Dovecot, Qmail, DBMAIL; - FTP: Vsftpd, ProFTPD, Pure-FTPD; - VPN: OpenVPN, PPTP; - Firewall: csf, afp, custom iptables firewall; - Backup Solutions; - Proxy Servers; - Bash Shell Scripting; - Web Security (PHP Security php_suhosin, Apache Security mod_Security, OS Security (malware detection), Antivirus (clamav)); - - Traffic Control Scripts based on TC; - Monitor Technologies; - TCP/IP, VLANS, Routing Protocols - (RIP, EIGRP, OSPF) I have CCNA Certification and during time I had participate to online courses to improve my experience in Linux, Security, Firewalls. I will bring to your company or project fresh ideas, new perspectives, a diversity of experiences, and a dedication to service.

    Associated with: MoonQuake Agency

    $11.11 /hr
    2,586 hours
    5.00
  10. Rashid Ali Khan

    Rashid Ali Khan Agency Contractor

    Senior Software Engineer (DOTNET)

    Pakistan - Last active: 1 day ago - Tests: 6

    I have been developing systems in .NET Technologies for last 7 years. I have participated in the development of both web and desktop based applications of variety of nature. I took part in the development of reporting module of a product named eTarget which is a CRM based application used by various clients in UK. I have also developed a utility which is currently in use for synchronizing the data of two databases to enable desktop application and website to work on the same data in parallel. I have also participated in the development of web based system for Pakistan Customs, which is currently in use, by using ASP.NET and SQL server 2005. I have mainly used C# and VB.NET as programming language, .NET as framework and SQL Server 2000/2005/2008 for databases. I can handle the projects which involves development in C#, VB.NET, ASP.NET and SQL Server 2005, 2008.

    Groups: AspDotNetStorefront

    Associated with: Raksoft

    $17.78 /hr
    9,151 hours
    4.98