Top Upwork Freelancers

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  1. James Hughes

    James Hughes

    Excel/VBA Consultant

    United States - Tests: 6

    I am a full-time, home based IT consultant in Arkansas. I have extensive experience working with Excel and many other computer based programs. I have six months experience working with companies on a consulting basis, implementing custom business solutions. I work 40 hours a week, and I can do work on any size job. I am always in the process of familiarizing myself with newer and up-to-date technologies and up to the challenge of taking on any projects that you may have. I am very familiar in helping people with their technical needs, as I have eight years of experience working as a supervisor at a large telecommunications company in Las Vegas, NV. I enjoy helping people with their technical needs and try to go above and beyond for them in any way that I can. Business solutions is my specialty and I place a high value on honesty, integrity, and getting the job done right.

    $35.00 /hr
    483 hours
    4.92
  2. Andrey Gubanov

    Andrey Gubanov

    Senior JavaScript developer

    Ukraine - Tests: 8 - Portfolio: 8

    **Looking for long term contract** My main skill is creating single page web applications (JavaScript, HTML, CSS) which are: - Fast and responsive - no UI lags for users - Modular - another programmer can easily extend any app made by me - Stable - tools used by me are verified by my experience (6+ years) - Functioning - I test every part of an app very careful What do I use: - Module loaders: SystemJS, AMD (RequireJS), CommonJS - Building tools: Grunt, Gulp (I prefer first) - Programming language: ECMAScript 6/7 compiled to cross-browser JavaScript via Babel (I love it!) - CSS preprocessor: SASS (SCSS), PostCSS - Unit testing: Jasmine, Karma runner - JavaScript Frameworks: MatreshkaJS, React - DOM library: jQuery, Balalaika, VanillaJS - Server programming: NodeJS, Express - Server databases: MongoDB, MySQL - CSS framework: Bootstrap, MaterializeCSS - Data visualization: Highcharts, d3, VanillaJS ... And other cool and modern tools Besides, I can: - Work with any API (Parse, Firebase, Google...) - Make offline web application via HTML5 cache - Make an app which doesn't require server programming at all (if it's posible) - Learn any new technology if it's needed I love open source and I have few projects made by me. You can find them on my Github page: http://github.com/finom

    $40.00 /hr
    3,387 hours
    5.00
  3. Alessandro Z.

    Alessandro Z.

    Software engineer - Mobile Expert

    Brazil - Tests: 4

    I am a software engineer, with 5+ years of experience developing iOS (Swift and Objective-C) and Android (Java) apps, and also with a strong experience with Unity3D, developing 2D and 3D desktop/web/iOS/Android games, with 20+ games/3D applications shipped. I also have experience in the following areas: C, C#, Java, Swift, Objective-C, Javascript; Network communications, REST; SIP, PJSIP, Asterisk; Git, Subversion; Android, Eclipse, JNI, ActionBarSherlock; iOS, Xcode; Windows Phone; Unity3D, 2D Toolkit, NGUI, prime[31] plugins, native Unity3D plugins for both iOS and Android; Project management, testing; Linux, MacOS, Windows; Hope to talk to you soon, Thank you!

    $25.00 /hr
    199 hours
    4.87
  4. Pham dao vo nhat Q.

    Pham dao vo nhat Q.

    Expert with iOS, cocos2dx, C/C++, C#

    Vietnam - Tests: 3 - Portfolio: 6

    Seeking a challenge and interesting position to improve and utilize my skills and experiences in IT, especially in iOS Plaform. Expect to participate in professional and friendly company to get a chance working in a challenging and stimulating environment with opportunity to use my current experience and to enrich my knowledge and enhance my experience. To contribute towards the achievement of organizational objective by applying my professional skills.

    $25.00 /hr
    1,564 hours
    5.00
  5. Ezekiel Baniaga

    Ezekiel Baniaga

    Ezekiel Baniaga - Software Developer

    Philippines - Tests: 4 - Portfolio: 3

    With 5 years experience in various areas of Software Development. Concentrated on different open source technologies to provide clients with a low cost but high quality end results. Below are my mastered technologies and platforms: Enterprise: Java, NetBeans Platform, EJB, JPA, JAX-RS, Hibernate, JBoss Application Server, Apache HTTP Server, Tomcat, Jetty Reporting: JasperReports using iReport. Database: PostgreSQL, MySQL, Sybase, JavaDB, HSQL Software bug-tracking and management tools: Subversion, CVS, Trac, Kenai

    $13.33 /hr
    3,905 hours
    4.94
  6. Stefan N.

    Stefan N.

    Senior Mobile Game and Backend Developer

    Vietnam - Tests: 2 - Portfolio: 10

    I’m an enthusiastic developer interested in game & web backend development. My clients say I'm a professional worker yet a funny guy. oDesk says I'm one of their TOP RATED freelancers (see the badge on the right for more information). Over the last 3 years I have been diving deeply into mobile game development. Being an active open-source contributor, I embrace HIGH-QUALITY work within FASTEST possible time. Apart from open-sourcing, I give talks & lead industrial game projects. You can easily find my works in video and portfolio sections. I'm very proud of them, so proud I always keep them updated! Web development is also one of my strong field. I love backend development, especially with Golang, Ruby on Rails, PostgreSQL, MongoDB. Please don't hesitate to contact me about your need. I love helping clients build even better products and businesses!

    $30.00 /hr
    1,465 hours
    5.00
  7. Sergiy Bykovets

    Sergiy Bykovets

    C/C++, win32 API, DDK, TDI, WFP, Qt, BHO

    Ukraine - Tests: 2

    - 10 years experience in C/C++; - 7 years experience in Win32 API; - 5 years experience in development of windows kernel drivers; Service Description: - Client - server applications; - Desktop applications; - Windows system programming; - Windows driver development; - Network filters, firewals; - Internet Explorer addons; - Firefox plugins

    $38.89 /hr
    19 hours
    4.70
  8. Eduardo M.

    Eduardo M.

    Ruby on Rails / PHP / Javascript / Backbone.js / Angular.js

    Bolivia - Tests: 6 - Portfolio: 7

    - Software engineer with 5+ years of experience on Web, desktop and mobile development - Excellent communication skills and team player - Full Stack Open Source Software Engineer - Strong object oriented programming and design patterns skills SPECIALTIES AND EXPERIENCE - Programming languages: Ruby, PHP, Javascript, Java, Python, Objective-C, C, C++, Visual Basic, HTML, CSS - Web backend: Ruby on Rails, Sinatra, Node.js, Wordpress, MySQL, PostgreSQL, Redis - Web front-end: SASS, LESSCoffeeScript, Backbone.js, AngularJS, Underscore.js, jQuery - Infrastructure Environments: Amazon Web Services (AWS), Heroku, Digital Ocean - Development tools: SublimeText, Git, SourceTree, PivotalTracker, Atlassian Jira, Basecamp, Balsamiq Mockups - Operating Systems: Mac OS X, Linux, Windows - System administration with Unix based systems - Mobile development: Native iOS apps with Objective-C, native Android apps with Java - Desktop development: Desktop apps with Java and Python + GTK - Test Driven Development (TDD) - Agile software development - UX design PASSIONS - Learning new technologies - Open Source Software - Distributed and scalable systems design and implementation - Awesome and innovative UI design - Mountain biking

    $60.00 /hr
    3,258 hours
    4.80
  9. Igor D.

    Igor D.

    Expert .NET Developer(ASP.NET MVC, WPF)

    Ukraine - Tests: 8 - Portfolio: 10

    Over last 8 years, I have developed wide range of different applications using .NET Framework(WPF, WinForms, ASP.NET Web forms, ASP.NET MVC 3/4/5 and others) including complete box solutions in B2B area. I'm passionate from software development, especially asp.net mvc. My goal is to participate in an interesting project and to establish a long-time collaboration with customer. Experience and Skills: • 6+ years of experience in Architecting, Analyzing, Designing, Development and Maintenance of Web, Windows, N-Tier Object Oriented applications. • Experience in development desktop applications using C#, WPF,Winforms, CAL(Prism), BlToolkit, ADO.NET, Entity Framework. • Experience in ASP.NET, MVC, Ajax, jquery, css, html • Experience in working on Design Patterns & Practices like MVC, MVP and MVVM. • Experience in developing n-tier C# applications. • Experience in developing Data Access Layers using Entity Framework 4.3 and other popular O/R Mapper software’s like BlToolkit. • Experience in complex data collecting and analysing for making automation of processes • Ability to take and give directions and instructions and provide assistance through completion of tasks. • Strong analytical and problem solving skills.

    $27.78 /hr
    4,919 hours
    5.00
  10. Samuel Hellawell

    Samuel Hellawell

    Web/game developer

    United Kingdom - Tests: 1 - Portfolio: 12

    Experienced, innovative and passionate programmer with a fire for developing quality applications, games and websites. Fuelled by my entrepreneurial spirit, I have been programming since 10 years old, freelancing since 13 and founded my first company at 16. I have over 10 years of experience in building rich websites/applications, mobile solutions, system administration, databases, front-end development, networking, game development and more. I can lead a team, as well as promote synergy and integrate into the tightest of organisations. I joined branded.me in July 2014, and I have the pleasure to be part of a team building the best personal branding tool on the planet. I have a key eye for detail and will obsess over each line of code until its perfected. I believe in putting my all into every product I work on, as it reflects myself.

    $30.00 /hr
    1,917 hours
    4.98