Top Upwork Freelancers

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  1. Rameshwar Saran

    Rameshwar Saran

    Software Architect and Developer

    India - Tests: 1 - Portfolio: 2

    Recent Past Experiences: 40 Years experience as Software Architect with Phoenix Technologies Ltd., Software Architect with GuardianEdge - Symantec and Software Architect with TriCipher - VMWare, and TransAuth Inc. etc. Languages: Objective-C, Java, C, C++, C#, VB.NET, ASP.NET, VB, VBA, PHP, Perl, Python, SQL, Assembly, RealBASIC, Power Basic, HTML, CSS, JavaScript, AJAX, XML, WordPress, Flash ActionScript and more... Databases: MySQL, Microsoft SQL Server, Oracle, DB2, PostgreSQL. Platforms: Windows, OS X, Linux, Android, iOS Types of Programs: Desktop and Client-Server Applications, Systems and Windows Internals, Digital Signature Solutions, Identity and Access Management, Bluetooth and Wireless, Cryptography, USB and Smart Card Tokens, Web Applications, and Mobile Applications.

    $55.56 /hr
    373 hours
    5.00
  2. Justin McGee

    Justin McGee

    Server & Networking Specialist

    Australia - Tests: 2

    Currently employed as a Systems Administrator in a large education institution. I have worked with all types of technologies - Windows Server, *NIX, HP, Cisco, Aruba, PHP, MySQL, IIS, Apache, and similar technologies. I've also done extensive work with Office 365, Microsoft System Centre suite of applications, as well as project design, implementation and management. Happy to take on any and all projects!

    $77.78 /hr
    11 hours
    4.99
  3. Kolumban Lehel

    Kolumban Lehel

    Mobile and web game developer

    Romania - Tests: 1 - Portfolio: 4

    I have 8 years experience with Flash ActionScript 3, creating social, mobile, browser games and apps, websites, highly configurable flash components and other various projects. Strong experiences in creating games: car game with physics, casino games (slot games, video poker, blackjack, roulette), facebook games, numerous card and puzzle games, mobile (iOS, Android) and browser games, multiplayer games. Strong experience in the development of Flash Applications with heavy server communication (Remoting, Sockets, JSON) and JavaScript / Flash bridging In-depth knowledge of ActionScript 3, XML, FlashDevelop Tool, Air, OOP, PureMVC and design patterns. Basic JavaScript, PHP (AMFPHP) and MySQL knowledge. Specialities: Flash ActionScript 3, games, Air, Android, iOS, Nape physics engine, Starling

    $22.22 /hr
    24 hours
    4.99
  4. Steven Stovall

    Steven Stovall

    DevOps, Cloud (AWS/Google), Security. Development: Rails/Python/PHP

    United States - Tests: 2

    I enjoy solving challenging problems and utilizing technology to creatively design efficient, cost-effective solutions to meet business needs. Current Certifications: CISSP, CCNP, Net+/Sec+, MCP Cloud (AWS/Rackspace), Linux, Windows, VMware HA/vMotion/vCenter Open Source Software: Apache, nginx, Redis, elasticsearch, Zabbix, Logstash Information Security Auditing, Configuration, Policy Networking: Visio Diagrams, IPSEC/SSL VPNs, OSPF/EIGRP/BGP, Adaptive Security Appliances (ASAs), Wireless Controllers, F5 LTM, WiFi (RF Design) Information Security: Visio Diagrams (architecture), PCI DSS compliance, Splunk (syslog) Vulnerability Audit and Penetration Testing: Metasploit, Nexpose, Nessus, Vulnerability Reporting, Patch Management Development: Ruby/Rails, Git, Python, PHP, Perl, PowerShell, Bash, .NET

    $67.00 /hr
    55 hours
    5.00
  5. Dzmitry Sapezhka

    Dzmitry Sapezhka

    liferay, java developer

    Belarus - Tests: 2

    I'm involved in software development during last 9 years. I have good abilities and I'm looking for Java and Android projects. Skills: Java (Spring, Spring Web MVC, Lucene, Compass, Struts, GWT, JPA, Hibernate, Toplink, JAXP, Castor, Ant, Maven), Java EE (EJB, JSP, Servlets, JMS), RDBMS (PostgreSQL,MySQL, Oracle), (X)HTML/CSS/Javascript, XML/XSLT/XPath, PHP, GNU/Linux

    $33.33 /hr
    24 hours
    4.41
  6. Viatcheslav G.

    Viatcheslav G.

    Work lover. C++ guru. JavaScript ace.

    Russia - Tests: 6 - Portfolio: 7

    Over the last 5 years I worked mostly on WebKit and Chromium platforms, writing graphics, UI and data-synchronisation related code. Made it possible to chat on Facebook directly from Chromium browser using custom additional GUI. Also during this time 1 high-load server data sync backend was developed using Python and protobuf. While working on Chromium lots of work was done using JavaScript and cutting-edge web technologies like CSS3. Had vast experience working on website fronted and backend using PHP, MySQL and JavaScript. Able to do cross-browser stylesheets. Had a step into game industry developing several games using ActionScript, iOS Objective-C. Developed an interactive book for iPad also.

    $44.44 /hr
    3,600 hours
    4.49
  7. Sergey Tikhomirov

    Sergey Tikhomirov

    Expert Ruby on Rails developer

    Ukraine - Tests: 4

    I have been working with Ruby on Rails since 2007 and I can call myself the Ruby on Rails expert. I worked on different kinds of projects and have strong skills in front- and back-end development. Have great knowledge in Ruby and Ruby on Rails, HTML, CSS/SCSS, JavaScript and CoffeeScript. I love Vim text editor and really passionate about it. I am a long-time Unix/Linux user (~ 10 yrs), can setup server without problems. Have experience with different cloud services, such as AWS and Heroku. Have great experience of working in distributed teams.

    $45.00 /hr
    66 hours
    5.00
  8. Jibran Ahmed

    Jibran Ahmed

    Python Web Developer (Django)

    United Arab Emirates - Tests: 12 - Portfolio: 6

    I'm a Python developer with over 5 years of experience in developing web apps in Django. I have worked on some of the biggest sites in the Middle East, including Dubizzle (the #1 classifieds portal in the UAE and MENA region), Nabbesh (A Middle East focused freelancing platform) and JustRentals.com. Each of these sites generated millions of hits per month, with Dubizzle being the #7 ranked website in the UAE. Working at these scales has taught me a lot about how to develop Django based web applications that can scale to handle any amount of traffic, and I've worked with teams of over 50 developers, learning how to write good clean code that others can work with.

    $40.00 /hr
    72 hours
    4.67
  9. Igor Zekov

    Igor Zekov

    Delphi|C++|Access| Excel|VBA

    Ukraine - Tests: 4

    Over the last 8 years, I have developed several desktop applications using Delphi. That was applications for working with databases through ADO mechanisms, working with GSM modem using AT commands, sound proccessing, etc. I am seeking opportunities to build applications for you or your business. Have developed and worked with Access databases with more than 1 million+ records, handled big data arrays in Excel, proccessing it with Excel formulas or VBA, importing/exporting to Access. I also have experience in the following areas: C++, PHP, JavaScript, SQL, Excel VBA, MS Access, Photoshop, 3dsmax, OpenGL.

    $10.00 /hr
    57 hours
    5.00