Top Upwork Freelancers

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  1. Damien C.

    Damien C.

    ZCreator Developer

    Ireland - Last active: 1 day ago - Tests: 3 - Portfolio: 2

    I'm a web based database developer, working with Zoho Creator. Using my knowledge of ZCreator, I provide custom solutions to meet and or exceed requirements. With 4+ years of experience. I also have a broad range of experience in the workplace, quality, manufacturing and logistics roles to name a few. My strengths lay in wanting to understand the benefit of the project I am engaged with. This enables me to develop an application exceeding expectations.

    $11.11 /hr
    0 hours
    5.00
  2. Vladimir Laskov

    Vladimir Laskov

    Linux and FreeBSD Systems Architect

    Russia - Last active: 4 days ago - Tests: 9 - Portfolio: 1

    Specialties: Architect, RHCE, DevOps, Performance, Scalability, Redundancy / Fault Tolerance, High Availability ( CARP, HSRP, VRRP, DRBD, HAST ), Network Security, Troubleshooting, Solaris, OpenBSD, FreeBSD, Linux ( RHEL, CentOS, Ubuntu, Debian, SUSE ), Nginx, Apache, PostgreSQL, MySQL, Postfix, Dovecot, Asterisk, GIT, Jenkins, iptables, PF, IPFW, Nagios, PHP, Ruby, Java, Python, Perl, IPSEC, SSL, VPN, VMWare, SAN, ZFS ... Started out with a Sinclair ZX-Spectrum. Over 10 years of experience in IT area, including 6 years in Senior System Administrator. positions. Expert in Unix-based systems (5 years), advanced person in database administration (3 years). Person with strong analytical and troubleshooting skills, strong team building skills, well developed management skills, interpersonal skills.

    $25.00 /hr
    0 hours
    5.00
  3. 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
  4. Dmitry Shelemov

    Dmitry Shelemov

    .NET Full-stack Developer

    Russia - Last active: 28 days ago - Tests: 5 - Portfolio: 1

    I'm looking for an interesting job where i can apply my skills: - Strong expertise in web and server application development on .NET platform (ASP.NET MVC 4 / WebForms, EF, AJAX, Web API, WCF, Web Services, Linq); - Database design and development with Microsoft SQL Server; - Good skills in Web UI development (HTML5, CSS3, JavaScript, JQuery, Knockout.js); - Practical experience of team-working by Scrum/Agile. If you are interested in hiring of me you are welcome.

    $16.00 /hr
    0 hours
    5.00
  5. K B.

    K B. Agency Contractor

    QA-Test Lead- 5000+ hours in oDesk

    India - Last active: 1 day 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
    5,231 hours
    4.99
  6. 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
  7. 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
  8. Mohamed Shabaan

    Mohamed Shabaan Agency Contractor

    Expert Back-End and Front-End Developer

    Egypt - Last active: 1 month ago - Tests: 3 - Portfolio: 3

    Over the last 4 years, I've developed a smart tool to enable GWT-developers to build screens and enable server connectivity using RESTful services by simple Drag-n-Drop in an easy and fast manner using EXT/GWT and pure java, simply to speedup the process of building User-Interface of our currently project (ERP system). and I've built a good BLOB-Tracking software using C/C++ in order to use it to track the blobs generated by Infrared light and finger touches in Multitouch surface. I've a good experience in the following areas: EXT/GWT, Ajax, design-patterns.

    Associated with: FCI

    $25.00 /hr
    108 hours
    4.91
  9. Vadzim Marozau

    Vadzim Marozau Agency Contractor

    iOS developer, Web Developer with ASP.NET MVC experience

    Belarus - Last active: 2 days ago

    Results-oriented software developer with 2.5 years experience in development. I make it my goal to create software with the user in mind, creating applications with a useable and intuitive user interface experience. I also understand the importance of creating highly readable and easily maintainable source code. I am constantly striving to learn new technologies and look to ways to better myself in this rapidly changing industry. TECHNICAL SKILLS Languages: Objective C, Javascript, C#, JSON, SQL, HTML Databases: SQLite, MS SQL, MySQL Development Software: XCode, Visual Studio, Git Platforms: Mac OSX, Windows

    Associated with: Panda Systems

    $20.00 /hr
    303 hours
    4.40
  10. Vadim N.

    Vadim N. Agency Contractor

    reliable software development

    Ukraine - Last active: 1 month ago - Tests: 1 - Portfolio: 1

    > more than 22 years in love with programming (started at the age of 11 from programming on http://en.wikipedia.org/wiki/Elektronika_MK-52) > more than 14 years professional software development experience > deep and clear understanding how programs work: if printf("hello, world\n"); on c lang written and executed, libc code is called for, libc code calls ‘write’ api function from os, which is written on high level programming language, that is translated to assembler commands, that compiled to machine commands, which are performed on circuit diagrams, according to which electrical impulse will run in cpu. > linux-0.0.1 source code study (from mbr to command line prompt, reading, running, debugging) for about 6 months to understand os work principes > perfect knowledge of such lang, technologies and theory: c/c++, math, linux, software architecture, android, libc, stl > good level of understanding: java, actionscript3, javascript, ios, and many other languages and technologies > personal interests: supercomputers, high performance computing, evolution theory 2009 - till now android programmer, lead of freelancers team 'softevol' 2007 - 2009 ios programmer in game dev 2008 - 2009 programmer at automatisation lab on cokery plant 2002 - 2008 most time of this period study programming and math, experiments with software (enthusiastic work with minimal reward) 1997 - 2002 master degree in car construction (kharkov national automobile and highway university). awards in national contests in geometry, physics, mechanics, 3d engineering computer graphics (most time at university studying programming with friends) 1986 - 1997 school time 1980 - 1986 childhood

    Associated with: softevol

    $35.56 /hr
    645 hours
    4.62