Top Upwork Freelancers

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  1. Brant Wells

    Brant Wells

    Network & Systems Administrator

    United States - Tests: 2

    I have a wide variety of experience in dealing with IT. I have worked with almost everything from a Commodore 64 and up. Strengths: * PHP Application development (full stack -- including HTML, CSS, Javascript and Databases (MySQL and MSSQL) * Network and Application Performance Monitoring (using Zabbix). * Network Security Monitoring using Snort / Suricata / various UTM firewalls * Virtualization Management (VMware, Scale Computing, Microsoft Hyper-V)

    $15.00 /hr
    0 hours
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  2. Glenda Patel

    Glenda Patel

    Expert Asterisk/ Linux

    United Kingdom

    Core Competencies: Design, Development and Implementation; Business Impact Analysis; Regulatory Adherence; Data Integrity/Recovery; Disaster Recovery Planning; Contingency Planning; Research & Development; Risk Assessment; Cost Benefits Analysis. Platforms: CentOS, Red Hat Enterprise Linux Server, Fedora, Ubuntu, Slackware, Kamailio, AsteriskNow, Elastix, Freepbx, Vicidial, Windows Server 2002, Windows Profesional 2002. Networking: TCP/IP (WAN/LAN), SNMP, Ethernet VPN, SSH, VOIP (SIP, IAX, H323 (CODECS: G729, G723, G711, H.261, H263)), RTP, SS7, E1, T1. Applications: Puppet, Asterisk all versions (Complex dialplan and IVR), Vtiger CRM, Cacti, Nagios, Kannel, Mysql, SQL, Queuemetrics, ODBC connections, A2billing, VMware.

    $38.00 /hr
    0 hours
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  3. Igor Carvalho

    Igor Carvalho

    Web Developer

    Brazil - Tests: 1 - Portfolio: 2

    Hello, my name is Igor Carvalho,'m a developer with extensive experience in PHP, but with a large touch with HTML, CSS, JavaScript, among other languages​​. In the quest for improvement, seek knowledge by studying new technologies and seeking solutions to increasingly complex problems in day to day life of our society.

    $11.11 /hr
    0 hours
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  4. Guillermo Guichal

    Guillermo Guichal

    Senior Embedded Developer - Hardware, Software, FPGA

    Argentina

    I have more than 15 years experience in embedded software, hardware and FPGA design, and have been an independent contractor and consultant for more than 10 years. I manage a small group of engineers who provide services in hardware design, FPGA design and verification, and embedded software, either bare-metal or using an RTOS or embedded Linux. We can provide great quality services and solutions at a competitive rate. We can help you not only design your system but also select the best solution, technologies and plan the system development.

    $55.56 /hr
    0 hours
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  5. Eric Blue

    Eric Blue

    Technologist

    United States - Tests: 2

    An entrepreneurial technologist with strong leadership and communication skills leveraging a diverse software/systems/network engineering background. • Goal-oriented technology professional with 18+ years in the Internet industry. • Diverse technical background with a strong emphasis on enterprise architecture, web application development, system administration, and network engineering. • Developer of innovative products and solutions for both small and large organizations. Successful deployments for companies with 5+ million customers. • Proven track record of engineering team leadership: Director-level management, technical lead and mentor, and project manager. Extensive experience with all phases of the SDLC (Software Development Life Cycle) • Dynamic management style with the ability to switch context between strategic and tactical when needed - comfortable setting vision and leading, as well as providing low-level hands on help when necessary • Passion for organization, efficiency, and process improvements. • Experience with complex, multi-organizational technical integrations. Specialties: Systems architecture/integration/design, knowledgable on Agile/SCRUM/Kanban, OOAD, Java, J2EE, Eclipse, C, Perl, JavaScript, Database (Oracle, MySQL), MongoDB, SQL, PL/SQL, Apache, Tomcat, JSP, SOAP (gSOAP, AXIS, SOAP::Lite), AJAX, JSON, JQuery, LDAP(OpenLDAP, Netscape, iPlanet), ORM, iBatis, Spring, Groovy/Grails, UML, ERD, XML, XSLT, Extensive ISP and LAN/WAN background (Cisco, Frame Relay, BGP, OSPF, RIPv1/v2, IEGRP, ATM), System Administration, Linux, Solaris, RADIUS, Wireless 802.11*/802.1x, PCI data security, Open Source Check out my open source contributions and projects via my GitHub Resume (http://resume.github.io/?ericblue)

    $111.11 /hr
    0 hours
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  6. Christopher Caballero

    Christopher Caballero

    IT / Technical Computer software

    Philippines - Tests: 5 - Portfolio: 2

    Thank you for viewing my profile! I am a detailed and thorough professional with over 7 years of IT hardware / software experience. I specialize in delivering quality services with respect for strict deadlines and high expectations on projects. I am equipped with a dedicated home office complete with a computer and a reliable internet connection. I provide creative and detailed designs based on mock ups by using jQuery, HTML/CSS, Bootstrap. I excel at working under tight deadlines with strict expectations. Expertise: Website replication Bootsstrap jQuery HTML CSS VB , VB.net C#, ASP.net PhP MySQL I may have a lot of questions before we start a project but it is the key success on a project output. I am currently working with app.certain.com as an L1 agent so I am available around 7pm PST, or you can skype me anytime at ccaballero.certain.

    $12.22 /hr
    5 hours
    0.00
  7. Anton Lastochkin

    Anton Lastochkin

    Software Engineer

    Russia - Tests: 3 - Portfolio: 1

    knowledge of programming languages ​​: С/C++,С#, Object Pascal, Action Script, JavaScript, Java ( baseline ), Matlab, LUA, processing knowledge of design patterns , libraries : STL, MFC, QT, Boost, OpenGL, OSG. use of modeling object-oriented software : StarUML, the use of a graphical user interface prototyping : InkScape, Pencil, Use packages for engineering calculation and design (Matlab, Mathcad, Compas), version control system : SourSafe, Git IDE: Visual Studio, Eclipse, Delphi, Processing IDE development under operating systems : Windows, Linux

    $16.67 /hr
    0 hours
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  8. Juan Carizza

    Juan Carizza

    Web & Mobile Developer

    Argentina - Tests: 6

    I have used language like PHP, Visual Basic, C and now i like to use Python and Javascript. And always looking for new things. Worked on a few companies in Argentina, and also worked a lot remotely for different companies around the world: USA, Spain and Colombia. Created’’’ from simple websites to huge web applications that included different technologies like: cloud computing, non-relational databases (noSQL), web services, responsive mobile website and application APIs.

    $10.00 /hr
    0 hours
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  9. Lou Golar

    Lou Golar

    IT Support

    United States - Tests: 2

    I am an IT support professional with a wide range of skills, including Windows, Linux and Macintosh desktop and server systems. I am also experienced with Oracle, MySQL and PostgreSQL database management systems. My goal is to find work providing customer IT support for desktop, as well as server systems. I have over 8 years experience as a Tech Support Rep/Analyst for a variety of software on various operating systems. I also have extensive call center experience, as well as field service.

    $13.33 /hr
    0 hours
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  10. Svetlin Krastanov

    Svetlin Krastanov

    Web Developer

    Bulgaria - Tests: 4 - Portfolio: 6

    Hi, i'm Svetlin. I Improve my knowledge in information technology and meet daily with problems in the computer field. Week encounter with enough computer systems, with all sorts of errors, of which I have experience in the performing maintenance work. Incorrectness of the work of the drivers to exhaust chipsets from overheating. I always had the desire to develop in the world of technology and even do not know something, I been struggle to find the most - shortest path to information about it. Currently studying in detail: .NET MVC, Entity Framework, XAML & WPF . With their help and with my unceasing desire to learn new things, I hope to grow in programming circles as a prominent specialist. Follow Computer Systems and Technologies in Plovdiv Bulgaria and I am in 4th year. Along with that , I 'm at Software Academy Telerik, specialty " software engineering " .

    $12.00 /hr
    0 hours
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