Top Upwork Freelancers

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  1. Julio Carvajal

    Julio Carvajal

    CCIE 42930,2xCCNP,Juniper Specialist

    Costa Rica - Tests: 2 - Portfolio: 4

    Senior Network and Security engineer with more than 10 certifications from different vendors including a CCIE. If you hire me you will be hiring an ex-former Cisco TAC Security Engineer that worked in more than 1000 different cases with different Cisco Equipment and Issues. I have experience leading big projects, creating documentation, designing , configuring and troubleshooting different networks. During my years of Freelancer I have taken tickets for multiple vendors (Juniper, Cisco, HP, CheckPoint, Fortigate, Palo-Alto, SonicWall) and I have even provided training worldwide for different companies. Here are the certifications I have: CompTIA Security+ Wireless OffSec Pentesting CCNA JNCIA CCNA Sec CCNP Security CCNP Routing&Switching JNCIS-SEC CCIE Routing&Switching 42930 Languages: Spanish, English Thanks for checking my profile and I hope you have a great day, Regards, Julio Carvajal

    $77.78 /hr
    162 hours
    4.91
  2. Reema Bansal

    Reema Bansal

    Expert Developer

    India - Tests: 5 - Portfolio: 2

    I have a more than 3+ years experience of website Development. I have developed multiple E-COMMERCE websites. My E-commerce skills are:- Shopping Carts (CS-Cart, Open Cart, x-cart ,Os-commerce, Big-commerce, Zencart, VirtuMart, WP-commerce, Magento-Cart), Payment Gateway Integration, third party API’s like ebay, paypal, google checkout, amazon etc. I am a Mobile applications developer too and designer with +5 years of experience using objective C, Cocoa , SQL, XQuery, Android & Iphone programming.

    $9.90 /hr
    1,864 hours
    4.95
  3. Abdul Wahab

    Abdul Wahab

    Network and Web Hosting Administrator,Web Developer, System Support

    Pakistan - Tests: 6 - Portfolio: 6

    Over the last 5 years, I have been involved in administration of large Hosting companies working as Linux, Windows administrator and have complete command over network and leading hosting softwares cPanel/WHM and Plesk. I have been involved in many web development projects as well and has a complete command over HTML/CSS and building dynamic systems involving PHP/MySQL/Javascript. I also have an excellent background and patience in providing highly professional and user friendly technical support through all major mediums like Email, Chat, Telephone and Ticket System.

    $15.00 /hr
    1,575 hours
    4.77
  4. Mehrdad B.

    Mehrdad B.

    Engineering/Scientific Application Developer

    Canada - Tests: 1

    I am a skilled software developer for engineering/scientific applications.I have two master of science: Aerospace Engineering (CFD) and Industrial Systems Engineering (Image Processing). I have more than 10 years of experience in developing software for different industries ranging from aerospace up to robotic and control. My experiences include: - Image Processing and Control - Computational Fluid Dynamics - Optimization and MDO - Simulation of Dynamic and Multidisciplinary Systems - Design and manufacturing of mechanical parts - Mathematical Modelling and Numerical Methods I am an advanced .NET especially C#/C++ programmer, a master in Fortran programming language and an expert on developing mixed programming language and multithreaded solutions. I have also numerous experiences as a general developer for web and desktop application that made me a developer for ASP.NET, HTML5, SQL, mySQL, Java (android), Java, VB6 and Microsoft Silverlight

    $21.67 /hr
    922 hours
    4.85
  5. Alexander T.

    Alexander T.

    Senior SPA/Phonegap/iOS Expert

    Ukraine - Tests: 7 - Portfolio: 5

    I'm one of few developers who can build iOS and web apps both at high quality. I worked as web developer more than 8 years and got experience with iOS development for 3 years. I started my programming with Assembler! I don't hesitate to learn new technology and always keep me update with latest ones. Especially I'm strong at large scaled backend and app development. I can deliver high class result for estimation, planning, development and testing. I take the project on as a partner, not just as a developer. I prefer to work with long term clients. We are on a same boat. Let's row together to success. My Key skills are + Hybird app development using Ionic framework and Appgyver Steroids + SPA development using Angular Js, HTML5, CSS3 + iPhone & iPad app development using Objective-C and Swift + Backend development with PHP, Node.js and Ruby on Rails + Various third-party SDKs and api including google, facebook, twitter, instagram, etc + XMPP with Jabber & Media streaming with Wowza + Teamwork using Git and Project management using Jira

    $50.00 /hr
    1,113 hours
    4.99
  6. Md. Hafiz Uddin

    Md. Hafiz Uddin

    Rockstar iOS/ Android/ Web Developer

    Bangladesh - Tests: 7 - Portfolio: 3

    I'm a very self motivated professional Android/ iOS and web developer.Over last 15 years I have developed so many Desktop application, web application, various server / network related scripts and from last 6 years I have focused more on mobile application development ( Android / iOS ). Very experienced to the following : Objective C, C#, ASP.net, Java, J2EE, JSON API, Cocoa,x-Code,Apple SDK, Android SDK, JSP,Servlet,EJP,GlassFish PHP ( Codeigneter, cakephp ) , MySQL,SQLite, Oracle,JDBC I have developed so many cutting edge , challenging mobile apps. I love to bring my client's ideas into reality. Talk to me, I'll not disappoint you.

    $22.22 /hr
    598 hours
    5.00
  7. Krishna Karki

    Krishna Karki

    Expert .NET Developer with experience in Web, Desktop & Mobile Apps.

    India - Tests: 1 - Portfolio: 6

    Highly Professional .NET Developer with Expertise in Web, Desktop & Mobile Apps. Development. If you are looking for On-Time Delivery with Quality and Affordability, Contact me - I will not disappoint you. I Love to provide the best solution for clients with Minimal Budget and Provide : 1) Complete Dedication for Project . 2) Available 24 X 7 till the project gets a Life

    $12.00 /hr
    427 hours
    5.00
  8. Henry D.

    Henry D.

    .Net Developer

    India - Tests: 5 - Portfolio: 1

    I have a keen interest in revealing the new ideas through the passion of appropriateness. I also have a deep ability of getting through any kind of problem in a specific manner. My aim is to bring innovation. I think I will prove myself as a better and well person in the customs of any client. Technical Skills : Programming languages C#.NET,VB.NET XML, JavaScript, jQuery, Webtechnologies: Asp.Net 2.0/3.0/3.5/4.0 IDEs VS 2005, 2008 and 2010 Database SQL Server 2005, 2008R2, MySQL, PLSQL Operating Systems Windows 8/7/Vista/XP Web Design/Development HTML/HTML5, CSS3, JavaScript, JQuery, Other 3rd Party Tools: Telerik Rad Controls, LLBL GEN, ABCPDF

    $3.33 /hr
    470 hours
    4.77
  9. Andrew Young

    Andrew Young

    General Office and Administration Professional

    United States - Portfolio: 4

    Current student with 7 years of experience in administration. My goal while freelancing with Upwork is to build a solid reputation by providing exceptional results in a timely fashion. In the past I've been employed as an office assistant, inventory clerk, General Education tutor, and I have a knack for learning things quickly. I want to bring honest professional service to employers in need of my talent. I offer an array of talents, however my time at Minnesota School of Business has put an emphasis on my administrative skills. Everything from Data Entry, Transcription, Call Center, Customer Service, Inventory Management, Spreadsheet Formatting, and any other general office duty fall under my scope of skills.

    $10.00 /hr
    14 hours
    5.00
  10. Paul Slaski

    Paul Slaski

    Yii/Laravel/CodeIgniter/CakePHP/Drupal/Wordpress/PHP/Node.js Developer

    Poland - Tests: 6 - Portfolio: 10

    I have worked as a web developer for over 7 years. My passion for web technologies turned into an objective to provide professional and user-friendly web solutions that integrate a successful marketing strategy. My expertise is in Yii, Laravel, CodeIgniter, CakePHP, Drupal, Wordpress, PHP, Node.js, AngularJS, Backbone-js, MySQL, MongoDB, RestAPI, Twitter Bootstrap in variety of tasks related to website installation and maintenance. I communicate well with clients and can provide them with a quick turnaround solution of their issues. Possibility to work in English and Poland language

    $33.33 /hr
    74 hours
    5.00