Top Upwork Freelancers

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  1. Haris L.

    Haris L.

    Senior developer, software architect

    Bosnia and Herzegovina - Last active: 18 days ago - Tests: 2

    I am senior sysadmin/developer with extremely "deep" and "wide" knowledge and understanding of IT platforms and solutions. I have 20+ years of experience working in IT industry including, system and networks administration, software architecture and development as well as IT systems design and implementation, both Linux and Windows based platforms. For last 10+ years my focus was on opensource based platforms, frameworks and software, so following are some of my experiences: - WEB and desktop based software/services architecture and development using many different languages: c, php, perl, python, javascript, html/css, java, vb/vba, vfp... and frameworks; zend, django, express... - sysadmin of different linux flavors (centos, debian, redhat, suse...) - implementation and support of different opensource software platforms: Asterisk/FreePBX VoIP, vTiger CRM, Kannel/PlaySMS SMS marketing services... - design, implementation, tuning and maintenance of PostgreSQL and MySQL RDMBS - design and development of WEB and desktop opensurce GIS/GPS solutions (GeoServer, PostGIS, OpenLayers, OSM...) - lecturing and training both IT professionals and regular users - IT projects management In addition to above, I am also experienced in working cooperatively and effectively with people from a wide range of nationalities asI was engaged in several national wide projects financed and supported by UN/UNDP/UNESCO and WB/IFC.

    $33.33 /hr
    1,214 hours
    4.64
  2. Vision E.

    Vision E.

    .Net/SharePoint Consultant / Developer / Architect

    Australia - Last active: 1 day ago - Tests: 1

    I am Australian Based IT Professional. My specialized focus is in Software Development & Consulting. My dynamic approach to software development provides me with the business advantage in delivering quality and reliable services at a sensible cost. Along with my extensive technical skills set, I have excellent communication and business analysis skills. I have worked extensively with private and corporate businesses, government departments and non-profit organizations throughout Australia and Globally. Technology Skill-set: - Microsoft SharePoint 2007/2010/2013 - Office 365 - Microsoft.NET (C#, VB.NET, ASP.net) - Frameworks (MVC, Entity Framework, AngularJS, Knockout) - Databases (SQL Server, MySQL, Oracle) - Micosoft BI (SSIS / SSAS / SSRS) - Frontend (HTML, JQuery, CSS) - Opensource (PHP, MySQL, Word Press, Joomla, Drupal, OS Commerce, Magento, Open Cart) - Mobile Development (iOS, Android) - Project Management - Dynamics CRM

    $50.00 /hr
    1,682 hours
    4.64
  3. Vadim C.

    Vadim C.

    MEAN / Mobile Senior Developer

    Czech Republic - Last active: 1 day ago - Tests: 2 - Portfolio: 5

    Few words about me: I have big experience (more than 12 years) in Web Development using - NodeJS (SailsJS, ExpressJS), AngularJS, Bootstrap - PHP 4/5 (CodeIgniter), - MySQL, - MongoDB And 3 years in Mobile app development for iOS & Android using - CoronaLabs (Lua), - Phonegap - Sencha Touch 1.x. My latest jobs: - App for Financial Traders, - Mobile-wallet, - Billing services, - Apps for Restaurants / Small business automatization, - Mobile learning apps(games), - T-Mobile, - Nurofen (Europe) - Pepsi (PepsiMini, PepsiOMG projects), - IKEA(marketing projects), - Microsoft(Xbox marketing projects), - DriftGames, - Expedia, - Panadol, - Wingman project for companies Sunsilk, myspace.com, Cosmopolitan - Disney web projects - CBA game project for the CMMW Bank and more…

    $25.00 /hr
    2,760 hours
    4.50
  4. Rashmi P.

    Rashmi P.

    Around 9 Years of experience in Java,J2EE including Flex and AngularJS

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

    Over 8 years of experience in Java/J2EE/Flex technologies and has expertise in full time development of scalable, multi-tier web applications with entire life cycle management. Skills: - Java, JSP, Servlets, AJAX, Struts, Spring 2.5, JDBC, Hibernate, SQL, Tomcat , JBOSS , Jasper Reports, - AngularJS - CSS, JQuery, Javascript , Grunt , Gulp , NodeJS - Oracle, MS-SQL Server, PL-SQL, MySql - Eclipse, NetBeans - SVN - Flex - sound knowledge of eBay APIs

    $11.11 /hr
    3,983 hours
    5.00
  5. Siva Kumar Epari

    Siva Kumar Epari

    Expert Drupal Developer

    India - Last active: 3 days ago - Tests: 4 - Portfolio: 2

    For the past 5 years have been involved in projects which used Drupal, PHP, Python, jQuery & MySQL. Also was associated with NGOs, startups & SMEs. Most of the projects are handled by me from end-to-end which include project planning & client communication. I have also experience in Configuration management using puppet, saltstack, Shell scripting, Linux Server management, CVS(SVN, Git) management, cloud deployments by Openstack, docker & Hadoop programming.

    $50.00 /hr
    1,953 hours
    3.97
  6. Vitaliy Dyachenko

    Vitaliy Dyachenko

    Full stack (ASP.NET, JavaScript, T-SQL) developer

    Ukraine - Last active: 1 month ago - Tests: 10 - Portfolio: 3

    Hello, I am Vitaliy from Ukraine (UTC+2) I am highly organised IT professional with solid experiences in developing and team leading. I am proud to possess a long record of achieving the desired outcomes of projects, on-time and always within the best quality. There are the projects for one of TOP 5 auditing company in USA, one of the biggest bank in USA and lieder in pest control industry of USA. But I have as well a lot of successful finished project for SND companies (financial, commercial, banks web applications and ect). There I my portfolio are only few of the web applications that I've developed (some of them under NDA). My first goal is to be meet your needs and deadline and to help you as much as I can. I believe that my strong points are punctuality and diligence. Listed below are my experience and skills: - .Net (C#), ASP.NET Web Forms and MVC, WPF, Windows form; - WCF, WebAPI; - JavaSript, JQuery, Knockout, Kendo UI, AngularJs, ExtJs; - CSS, Html; - SSRS, MS SQL Server 2005-2012; - ORM: EntityFramework, LinqToSql; - BPM (Business Process Management); - TDD, UnitTest of JS and C# code; - OOP, DDD; - SOLID, DRY, KISS, YAGNI; - Development methodologies: Agile (Scrum, Kanban), Waterfall. As extra prove about my skills you can see list of passed tests here on upwork. Thank you in advance for your time and consideration. I look forward to work with you soon.

    $38.89 /hr
    1,312 hours
    4.99
  7. Terence B.

    Terence B.

    Software Engineer | Neural Networks | DSP | Java,C/C++,Matlab

    Philippines - Last active: 18 days ago - Tests: 4

    My expertise is centered on designing and developing intelligent and adaptive applications using the techniques of Neural Networks and Digital Signal Processing. I have also developed several web automation projects using java (J2SE and J2EE). I can also develop firmware and software applications in C/C++. Below is the summary of the skill set I have and the programming languages I have used. Skill Set - Digital Signal Processing - Image Processing - Artificial Intelligence (Neural Networks) - Embedded Systems Development - Control Systems - Robotics and Automations - CAPTCHA Analysis - Optical Character Recognition(OCR) - Web Automation Programming Languages - Java ( J2SE , J2EE and J2ME) - C/C++ - Visual Basic - Matlab

    $40.00 /hr
    4,188 hours
    5.00
  8. Ronuel Rivera

    Ronuel Rivera

    Wintel System and Network Admin

    Philippines - Last active: 1 day ago - Tests: 5

    • Microsoft Certified Professional (MCP), MCP ID# 6237650 • Hands-on experience in installation, administration and maintenance of Windows server 2008 and 2003 Active directory Users and computers, DNS, DHCP, Domain Wide Group Policy Planning and Implementation, File Server management. • Managed and Implemented Dell Equalogic SAN Storage Solution • Experienced in managing Symantec backup exec and Dell Power Vault Tape Drive • Experienced in managing Dell PowerEdge and HP Proliant Servers • Experienced in PC setup and configurations, software installations and troubleshooting • Experienced in Computer hardware troubleshooting, assembling/disassembling. • Experience in Blue Coat ProxySG • Knowledgeable in CISCO switching and routing, cabling, and TCP/IP, LAN/WAN. • Knowledgeable in HTML and Adobe Photoshop. • Proficient in Microsoft Word, Microsoft Excel and Outlook 2003 and 2007 • Proficient in Windows (Server 2003, Vista, XP, 7). • Experienced in ticketing system working environment. • Experienced in supporting Aspect Dialer. • Service-minded attitude with analytical problem solving skills. • Quick learner and willing to be trained.

    $5.00 /hr
    3,870 hours
    5.00
  9. Mukesh R.

    Mukesh R.

    Senior Dev - C# | ASP.NET | WPF | AngularJS | KnockoutJS | MVC | WCF

    United Kingdom - Last active: 1 month ago - Tests: 7 - Portfolio: 6

    Greatly passionate about using best practices and technologies that make complex systems highly maintainable and expandable. Have been working as an independent & a remote contractor for 8+ years delivering very wide range of applications, from small utilities to complex business-oriented solutions based primarily on .NET technology stack. My technical expertise includes fluency in scripting/programming languages (including C#, Javascript, ASP.NET, MVC, jQuery, Knockout, Node and Angular Js, HTML 5, WPF, WCF, XAML); and advanced knowledge of developing applications, tools, methodologies and best practices (including S.O.L.I.D principles, OOPS, client/server architecture and design patterns like MVVM, MVC). I believe in providing the best solution in best price for a long term business relationship.

    Groups: Microsoft Certified Professionals

    $24.44 /hr
    1,370 hours
    4.43
  10. Konstantin Volkov

    Konstantin Volkov

    Senior PHP / MySQL / AJAX / CodeIgniter / SocialEngine / WordPress dev

    Ukraine - Last active: 1 month ago - Tests: 5

    I am experienced full stack web application developer. I’ve created a number of complex systems including dating sites, social networks, e-commerce sites, inventory management systems, scheduling systems, forum applications, and internal organizational systems. I have Master Degree in Computer Sciences and strong technical background as well as a keen eye for design. My feedback is 5 stars because: • I always stick to deadlines, • I have an excellent communication skills, • I'm available almost 24/7 via Skype, • I have a stable internet connection, • I love to turn clients ideas into reality. Looking forward to a long term relationship.

    Groups: SocialEngine

    $35.00 /hr
    5,459 hours
    4.84