Top Upwork Freelancers

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  1. Mykhaylo Dobrovolskyy

    Mykhaylo Dobrovolskyy

    Mykhaylo Dobrovolskyy

    Netherlands - Last active: 2 days ago - Tests: 7

    10+ years of Linux/Network experience with different systems. Finished and delivered SMB solutions to big corporate companies lie BNP Paribas, ABN AMRO or RBS. My main areas of knowledge are: 1) Networking (Cisco/Juniper/F5/BlueCoat and Linux/FreeBSD based solutions like vyatta/pfsense etc) 2) Security - Cisco IPS/IDS, CheckPoint, Linux/FreeBSD based, Juniper etc 3) Linux administration - mail system, database (mysql/mysql cluster), server with high load average, load balancers for server farms (Cisco/F5 based and Linux based like keepalived or apache/nginx with reverse proxy) 4) VoIP - Cisco/OpenSource(Asterisk and different installations based on asterisks like freepbx/elastix etc) There is a very small piece of my knowledge, I'm always looking for opportunity to grow and I'm pretty sure that if you give me tasks - I'll find out best way howto get it done.

    $27.78 /hr
    4,749 hours
    5.00
  2. Hao Ta

    Hao Ta

    Senior ASP.Net, Extjs, jQuery, Kendo UI, SSRS / RDLC Reporting

    Vietnam - Last active: 7 hours ago - Tests: 3 - Portfolio: 3

    Over the last 5 years I have developed a wide range of web and desktop applications using C#, ASP.NET (MVC & WebForm), SQL Server/T-SQL, SSRS, RDLC reports, LINQ, Entity Framework along with UI frameworks including DevExpress , Extjs, Kendo UI, jQuery/jQueryUI, etc. Fields of experience - Web application development: ASP.NET, DevExpress, Extjs, Kendo UI, jQuery, Entity Framework, LINQ - SSRS / RDLC reporting - MS-SQL Server / T-SQL Programming languages and frameworks: - C#, ASP.NET - LINQ, Entity Framework - SSRS, RDLC report - Microsoft T- SQL - Extjs - DevExpress - Kendo UI - jQuery Methods and patterns: - Object-oriented programming (OOP) - Design-patterns: MVC, Repository, Unit of work - Entity Framework Code-First development - Test-Driven Development Source control tools: - Microsoft TFS - Subversion (SVN) - Github Projects 1. Waterfall calculation web-based application: A web-based application designed to perform complex waterfall calculations for alternative investment funds. Specifically the application automates the Carried Interest Calculation (Calc) which is used to determine the fund manager’s compensation in regards to the profits of the fund. Technologies used: - ASP.NET 4.5 (C#) - jQuery, jgGrid - MS Reporting Service - Microsoft Enterprise Library - MS-SQL Server 2012 2. RDLC web report: A web-based RDLC report portal that used as an internal portal for viewing and printing reports with data extracted from a SQL database of Investran software. The system was developed using Asp.Net (C#), Entity Framework, RDLC report, and MS Server 2008 with a lot of T-SQL script. Technologies used: - ASP.NET (C#) - Entity Framework - RDLC report - MS SQL Server 2008 / T-SQL

    $16.67 /hr
    1,950 hours
    4.80
  3. RJ Ali

    RJ Ali

    J2EE/Spring/Hibernate/JSF/Mule ESB/Struts2/SAAS/AngularJS/REST/SOAP

    Pakistan - Last active: 1 day ago - Tests: 2 - Portfolio: 4

    I am having more than 8 years experience in developing web based enterprise solutions using technologies like Java, J2EE, Struts, JSF, Spring, Hibernate, Rich Faces, Prime Faces, GWT, Smart GWT. Further Android, JBPM, Performance Tuning, Query Optimization, Code Profiling, Memory Leaks and Team management. I have experience in SaaS applications and integration technologies like web services(jax-ws,jax-rs), JMS (Jboss Hornet Queue, Active MQ), Amazone AWS, Sales Force and Enterprise Service Bus (ESB) specially Mule ESB, Apache Camal, Service Mix and WS02 ESB. I have been working on web based solutions since 2005 so I have experienced the evolution of web technologies starting from web 1.0, then ajaxifying web apps and then single page Rich Internet applications using GWT, Smart GWT, Angular JS, Html5, Css3, D3, JQuery, Ext JS etc. With this much experience in web technologies I can even work as Front End Developer and I have already DONE few jobs as front end developer. What kind of work I prefer to work is the long term nature and hourly jobs. I prefer to establish long term reliable and trust worthy relations.

    $33.33 /hr
    2,624 hours
    4.90
  4. John U.

    John U.

    Sqa, Black box testing

    United States - Last active: 1 day ago - Tests: 14 - Portfolio: 1

    Software and web app QA. With my nine years of Silicon Valley experience in QA with Netscape and America Online, whether you are a large or small company or a start-up, I can handle your QA needs, guiding your product to perfection. My present job of 8 hours per week since 2014, is with Web App Farm in Tampa. A native of San Jose, Ca, I am an expat living in Cali, Colombia, doing freelance QA work.

    $11.11 /hr
    3,137 hours
    4.98
  5. Roland S.

    Roland S.

    PHP programmer experienced in Zend Framework, CMS

    Serbia - Last active: 10 days ago - Portfolio: 29

    I'm a web developer in Serbia with 6 years of experience in the industry. I was worked in older frameworks, but nowadays I work with Zend Framework on a large scale web applications. When i have free time i develop my Cms with Zend Framework which I use as a core in my projects.

    $20.00 /hr
    1,702 hours
    5.00
  6. Stephen F.

    Stephen F.

    Proofreader, Editor, English Teacher, and Writer

    Serbia - Last active: 3 days ago - Portfolio: 13

    I am rated in the top 0.1 % of all freelancers in the writing and translation category for a reason. Precise, articulate, professional, and genuine work ethic. I am a native English speaker. Copy Editor/Proofreader, English (TESOL) teacher/online tuition (Facetime/Skype), writer and virtual assistant with a professional attitude. I am meticulous in my work with a very fine eye for detail. Very creative and hard working. I will always endeavor to meet agreed deadlines with efficiency.

    $17.00 /hr
    1,084 hours
    5.00
  7. Jagjeet Singh

    Jagjeet Singh

    Labtech, Kaseya, ConnectWise Consultant

    India - Last active: 12 days ago - Tests: 1

    Technically knowledgeable and service oriented IT professional experienced in providing solutions to customer and end-users with proven technical expertise is seeking for a rewarding, challenging and personal growth where I can best use my knowledge and experiences in implementing, managing and supporting the IT infrastructure and end-users. Specializing in designing, implementing and maintaining Enterprise IT platforms, TRT takes the stress, risk and complexity out of managing core IT systems. Maintain complete control over the environment we take accountability for keeping it running efficiently and securely.

    $22.22 /hr
    1,843 hours
    5.00
  8. Piotr C.

    Piotr C.

    Experienced web developer (Python, Postgres, Unix)

    Poland - Last active: 4 days ago - Tests: 5

    Experienced web developer and unix administrator. My best skills include: * good team communication and project management * agile web development using Python and relational databases * deep knlowledge of web applications security * freeride snowboarding ;-) * RESTful and SOAP webservices * unix systems administration (FreeBSD and GNU/Linux) * profiling and optimization of applications

    $35.00 /hr
    1,870 hours
    5.00
  9. Daniel Z.

    Daniel Z.

    Highly skilled API integrator, PHP (ZF) Coder and Project Manager

    Poland - Last active: 1 day ago - Tests: 7 - Portfolio: 6

    Goal: Project and develop high quality apps for your success. Profile: OOPHP & Zend coding, IT consulting and business analyst, project coordinator and manager, Other skills: Apache, Bind, SSH, bashscripting, Memcached, Github, Solaris, Oracle, MySQL, Radius, AD, expert knowlegde of many *ux and windows systems Advantage: Project and implementation of many web apps. Most of it projected and developed by myself using Zend Framework, Google API (youtube, gdata), social API (twitter, facebook). Some of it integrated with operating systems or AAA software (radius, ldap). Usually Design Patterns were used (like Template Method, Version of Control, DAO, Dependency Injection, Decorator and so on). Some application built upon a structure of web services (XML, REST, JSON), some using jQuery and AJAX. Tools and technologies: Apache, radius, bind, ldap, Zend Framework, XML, SOAP, Linux, Linux daemons, Memcached, Sockets, REST, JSON, Oracle, MSSQL, MySQL, Design patterns, MVC, SVN, BASH, PHPUnit, Xdebug, Unit testing, Google Youtube API, Google Gdata API, Google Maps API, Facebook API, PayU API

    $35.00 /hr
    1,770 hours
    4.98
  10. Rodrigo Marcelo Martinez Velasquez

    Rodrigo Marcelo Martinez Velasquez Agency Contractor

    IT Consultant, Web designer and developer in PHP and .NET

    Bolivia - Last active: 1 day ago - Tests: 1 - Portfolio: 8

    The past 8 years I have planed and develop systems and web sites using HTML, Ajax, PHP, MySQL, Mongo, Bitcoin and other technologies for banking, betting, social media and other companies. I'm a person that can be in charge of planing, managing and developing the site and system you need. One of my strengths is to work on teams and be very cooperative about sharing knowledge and get things moving.

    Associated with: Tesdra Wide

    $33.33 /hr
    10,467 hours
    5.00