Top Upwork Freelancers

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  1. Michael Paulukonis

    Michael Paulukonis

    C#, ASP.NET, JavaScript Software Engineer

    United States - Last active: 08/14/2014 - Tests: 2 - Portfolio: 5

    I have have been programming professionally in C#, ASP.NET, JavaScript and VB6 (!!!) since 2003. I love to tease out solutions for unusual customer requirements, to untangle tangled legacy code, to solve problems, and to look back years later and see that it still works, and is still maintainable. I'm particularly interested in helping you with your wiki (PmWiki, Screwturn) or JavaScript * Programming - C#, JavaScript, jQuery, PHP * CMS - PmWiki, Wordpress, ScrewturnWiki * Web Design - HTML and CSS * Forms Design and Programming - Frevvo

    $55.56 /hr
    14 hours
    5.00
  2. Alexander C.

    Alexander C.

    Scala / Java / Haskell developer, Full Stack Engineer, Consultant

    Russia - Last active: 05/31/2014 - Tests: 2 - Portfolio: 2

    Java developer with 8 years of experience. Now also Groovy(2 years) and Scala(1.5 years) developer. Java: Hadoop, Nutch , Lucene/SOLR/ElasticSearch, Morphia(MongoDB ORM), parsers/crawlers(using Apache Httpclient, HtmlUnit and own microframework), Web MVC(Struts 1.x/Grails), Java Desktop Applicatins(Swing) / Applets, webservices (w. Restlet framework), RabbitMQ Java client, Riak Java Client Scala: PlayFramework 2.x, Lift, Akka, ReactiveMongo Groovy: Groovy scripts / Gant build scripts / Gradle Databases: SQL(PostgreSQL/MySQL), MongoDB, Riak, SOLR/ElasticSearch PHP scripts, linux(fedora/centos/ubuntu) server administration, SVN / Git, SEO methods/scripts, affiliate marketing. Check my blog(chepurnoy.org)/GitHub(kushti) also.

    $60.00 /hr
    1,026 hours
    4.99
  3. Manya B.

    Manya B.

    Expert Freelance Software Developer with salesforce & Java Experience

    India - Last active: 3 months ago - Tests: 3 - Portfolio: 2

    Over the past 1.5 years, I have developed a variety of Salesforce applications within the tenure of my Corporate experience. My core competency lies in complete end-end salesforce development project, and I am seeking opportunities to develop many more salesforce development projects. I also have some experience in the following areas: java, SQL, OOP, and UI.

    Groups: salesforce.com

    $14.44 /hr
    10 hours
    4.93
  4. Muhammad Raffay

    Muhammad Raffay

    Sr. Server Support Engineer / Consultant

    Pakistan - Last active: 08/31/2014 - Tests: 2 - Portfolio: 5

    I am result-oriented IT Professional (having more than 7 years of Experience) focused towards company’s operational goals by keeping abreast with current and emerging IT technologies. Core competency attribute as the management experience of supervising team of skilled human resources responsible for smooth IT operations; nevertheless has the ability to work as team member or in individual capacity. Substantial Project Management aptitude of planning, designing, and implementing large-scale Enterprise Network / System Infrastructure, Security Operations Center (CCTV/Bio-Metric appliances), Windows Active Directory, Microsoft Messaging and Collaboration and Back office Application Services along with different emerging technologies as per organization need. Also, have the knowledge of deliver cost effective solutions which meets the business requirement. And, ability to conduct AS-IS, TO-BE and GAP analysis to enhance business processes. Some of my salient achievements: • Bachelors of Engineering in Information Technology (B.E. IT) • Cisco Certified [CCNA 640-802, CCNP Cisco ID: CSCO13826485] • Juniper Certified [JNCIA-EX, JNCIA-ER, JNCIS, JNCIP Juniper ID: JPR81316] • Microsoft Certified System Engineer (MCSE 2003, Coursework) • Corporate IT Security- (Computer Networks Security) Design Experience: • Active Directory 2003/2008 • Microsoft Exchange 2003/2007/2010 • Microsoft System Center Operations Manager 2007 • Firewall (Cisco ASA, PIX525, Sonicwall NSA 3500, Juniper SSG 140) • Cisco Routers 800, 1600, 1800, 2800 • Cisco Switches 2900, 3500, 4500, and Extreme BD6800, x450, Summit 48si, HP ProCurve 2810, 1800 Specialties • Data Center Development • Network infrastructure design • System infrastructure Integration • Point-to-Point Wireless Solution • Unified messaging • Custom software development • Risk management and data security • Disaster recovery planning • Structured Cabling Solutions

    $16.67 /hr
    37 hours
    4.99
  5. Ciprian Micutaru

    Ciprian Micutaru

    Web Developer - Zend Framework, Wordpress, Opencart, Prestashop

    United Kingdom - Last active: 12/14/2014 - Tests: 2 - Portfolio: 28

    I'm a Web developer and desginer, with knowledge and experience for the past four years with: WordPress, PHP, MySQL, jQuery and E-commerce platforms. I love to create stylish, professional websites and/or blogs, while i can design myself, I prefer working with skilled designers and copywriters as needed, and handle all the development. In my free time I am building my own social network using Zend framework. I have a master degree on Web Developement from Faculty of Science from Iasi - Romania.

    Groups: LoadedCommerce, Pligg...

    $30.00 /hr
    546 hours
    4.99
  6. Paul R.

    Paul R.

    Perl programmer and API integration specialist

    Ireland - Last active: 11/26/2014 - Tests: 2

    Experienced programmer and developer specializing in API integration, web backends, file conversion, text and image processing, and desktop utilities. 18 years working in IT and publishing. Excellent communication skills. Deep understanding of complex data structures and algorithms. API Integration - Expert knowledge of API data formats and communication protocols: XML, JSON, Atom, HTTP, OAuth, REST, SOAP. - Ability to quickly comprehend API documentation. - Author of concise, well documented code that is secure, robust, modular and expandable. - Designer of functional and efficient web-based interfaces. File Conversion - Programmatically read, write and manipulate many common file formats, converting from one to the other: Excel, PDF, bitmap and vector images, HTML, XML, SVG, Illustrator, shapefiles, email message formats. Text and Image Processing - Tools to parse and analyze text: stemming, inflection, n-grams, categorize, summarize, search indexing. - Tools to manipulate images: crop, resize, scale, reduce file size, montage, animate. Desktop Utilities - All of the above as simple to use, one click desktop applications.

    $38.89 /hr
    67 hours
    4.98
  7. Srimanti Bagchi

    Srimanti Bagchi

    Expert in Admin Assistance

    India - Last active: 6 days ago - Portfolio: 4

    I am b.tech(IT) pass out. I m working as a freelancer. Dedication and delivering the given job on time are my plus points. I believe in delivering accurate results within the expected turnaround time.I am here to serve clients with high level of expertise, quality and timely work at a reasonable cost.

    $7.00 /hr
    6,215 hours
    4.94
  8. Jeffrey Lua

    Jeffrey Lua

    Asp.net Developer

    Philippines - Last active: 4 months ago - Tests: 3 - Portfolio: 11

    I have been working in the IT field for 8 years now developing various desktop and web application for different industries from manufacturing, pharmaceutical, logistics and accounting. I also have in depth experience with regards to data processing. I specialize in applications developed in C#. I am a MCTS in NET Framework 2.0 Windows Applications and ASP.NET 3.5 Web Applications. My over 8 years of professional experience has equipped me to work with minimal supervision, practice professionalism, value integrity and manifest excellence in everything that I do.

    $22.22 /hr
    1,906 hours
    4.89
  9. Pavel K.

    Pavel K.

    Senior ExtJS / Sencha Touch developer, 8 years exp. in WEB development

    Ukraine - Last active: 3 months ago - Tests: 2 - Portfolio: 20

    I have 8+ years of experience in software development. Most of projects I worked on used LAMP technologies and Node.JS, different Javascript frameworks (ExtJS / Sencha Touch for example) and wide range of databases (MySQL, MS SQL Server, PostgreSQL). Also I have extensive experience in object oriented programming and design, desing patterns, familiar with TDD development methodology. I'm looking for long term cooperation and opportunities to apply my skills and create new applications.

    $44.44 /hr
    7,450 hours
    4.83
  10. Mihail K.

    Mihail K.

    UNIX/Linux administrator

    Belarus - Last active: 3 months ago - Tests: 5

    I love UNIX! I love one-line shell scripts! I work with Debian, RedHat, HP-UX. Little with OpenSolaris and FreeBSD. I have experience in creating and supporting monitoring systems based on Zabbix and Nagios (several tens of servers with different OS). I am well familiar with network protocols and tools for testing and troubleshooting (wireshark, tcpdump, nmap, traceroute, etc.). I have experience in creating secure VPN tunnels based on OpenVPN, IPSec, L2TP/IPSec, GRE and PPTP. I was installing and configuring lighttpd, apache httpd, nginx, exim4, dovecot, samba, OpenLDAP, etc. I have experience with creating mail servers used in hosting company for many customers. I was working with virtualization Xen, KVM, VMware. Have experience with cloud services like Amazon EC2. I have experience in installing and configuring Oracle 10g, 11g, PostgreSQL, MySQL.

    $16.67 /hr
    88 hours
    4.97