Twitter Freelancers

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  1. Yulia Echevarriya

    Yulia Echevarriya

    Software Engineer

    Russia - Last active: 1 day ago - Tests: 3 - Portfolio: 3

    I have 10 years of experience in Software Engineering. I have developed several enterprise applications using C#, ASP.NET, MVC, MS SQL, Javascript, JQuery and commercial web sites using .NET technologies and also PHP, MySql. Also have experience in maintaining and supporting legacy applications. I have deep experience in DB design, TSQL. I aim to write a high quality and maintenable code. Additional experience of 3 years developing banking applications in Visual FoxPro. I am looking for opportunities to build solutions for you or your business, with flexible off-site hours. I prefer not to work in PHP

    $20.00 /hr
    474 hours
    5.00
  2. Dmytro Dray

    Dmytro Dray

    .Net Developer C#/VB (ASP, Silverlight, WPF)

    Ukraine - Last active: 3 days ago - Tests: 2 - Portfolio: 11

    Over the last 20 years, I have developed a wide range of websites and application and using .NET (ASP.NET + MVC, Silverlight, WPF, WCF). I also used MS SQL and MySQL as database. My core competency lies in complete end-end management of a new website development project, but I also have expirience as a team worker (SVN). I am seeking opportunities to build websites asn applications for you or your business.I also have some experience in the following areas: SQL, SEO, Database optimization, OOP , Social Networks (Facebook APIs, Twitter API, YouTube API) and software design.

    $26.00 /hr
    6,551 hours
    4.87
  3. Pavel Pachkovskij

    Pavel Pachkovskij

    Full Stack Ruby on Rails, AngularJS, DevOps Expert

    Belarus - Last active: 4 days ago - Tests: 4 - Portfolio: 3

    I am Senior Ruby on Rails developer with 6+ years of experience. TECHNOLOGIES: Frontend: jQuery, Highcharts.js,Backbone.js, AngularJS, Twitter Bootstrap Backend: Ruby, Ruby on Rails, Sinatra, Jekyll, Golang DevOps: Chef, Capistrano, Amazon OpsWorks, Docker, JuJu Charms Databases: MySQL, PostgreSQL, MongoDB, Redis, RabbitMQ Payment Gateways: Stripe, PayPal, Skrill APIs: Google APIs, Twilio, Mandrill, Mailgun, Quickbooks, Mixpanel Misc: PDF and Spreadsheets generation, PDF-templates filling and and signing, Emails styling Workflow tools: github, Pivotal Tracker, Redmine, New Relic, Airbrake, Mailtrap

    $40.00 /hr
    144 hours
    5.00
  4. Farkas Imre

    Farkas Imre

    HTML,HTML5,CSS,CSS3,jQuery,Responsive,Bootstrap

    Romania - Last active: 15 hours ago - Portfolio: 8

    I'm a freelancer front-end developer with 7 years working experience in categories :HTML+CSS, JQuery, HTML5+CSS3, Twitter Bootstrap v2, Twitter Bootstrap v3, Mailchimp templates,Email templates, Responsive Email templates Responsive front-end developer. PSD to HTML5/CSS3 PSD to Bootstrap v2/v3 PSD, PNG, Ai Conversions -Top quality hand-coded webpages - W3C Valid coding - Clean code structure - SEO friendly code, well commented - Cross-browser compatibility - Optimized images/CSS/XHTML, CSS3,HTML5 code - Pixel-perfect design conversion - Fixed width or responsive layout Along with completing the project on time, I provide ongoing support and i'm always available to answer question and make quick adjustments.

    $30.00 /hr
    1,597 hours
    4.94
  5. Andrei S.

    Andrei S.

    Senior Front-End Developer

    Belarus - Last active: 11 days ago - Tests: 8 - Portfolio: 2

    Software Developer with 6+ years in IT with a focus on Front-End development. - Solid knowledge of Javascript and HTML. Experience in various JS frameworks like jQuery, Knockout, AngularJS, WinJS - Strong knowledge of .NET platform and MS technology stack. - Experience in building modern applications based on AngularJS, Twitter Bootstrap and ASP.NET Web API - Experience in building distributed systems based on NServiceBus framework - Experience in Agile and Scrum methodologies, TDD and BDD practices - Microsoft Certified Application Developer Specialties JavaScript, Dojo, JQuery, HTML5, CSS3, RequireJS, Ajax, Windows 8, C#, .NET, ASP.NET, ASP.NET MVC, Dapper, Entity Framework, Selenium, LINQ, SQL Server, Web Services

    Groups: Microsoft Certified Professionals

    $14.00 /hr
    833 hours
    4.99
  6. Tymofii Cherkovskyi

    Tymofii Cherkovskyi

    Front-End Developer

    Ukraine - Last active: 1 day ago - Tests: 4 - Portfolio: 3

    Hi, nice to meet you. TOP 5% HTML5 / CSS3 / Javascript / jQuery tested Contractor on Elance. I'm constantly learning web design and development, following the best & latest web coding techniques. Fully dedicate myself in every project and never look at it as something which has to be done fast without the need to see the client fully satisfied. I am kind of perfectionist and it is very important for me everything to be as the client wants to.

    $15.00 /hr
    377 hours
    5.00
  7. Anton White

    Anton White

    Full stack expert (Django, Javascript)

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

    Programming experience 20 years, Python 6 years, Django 5 years. I love creating Single Page Applications with Backbone-Marionette.js and Django framework. My main skill is a deep understanding of customer's business processes in combination with ability to participate in full stack development of the product. I have strong experience in different aspects of offline business thats why I understand customer's needs quickly. I enjoy building responsive, useful and clear pixel perfect interfaces which are easy to understand and enjoyable to operate with. I am a qualified developer of commercial and corporate CRM, ERP and e-commerce applications. My current favourite tech stack: Python3, Django, Django-rest-framework, Coffeescript, Require.js, Backbone.js, Marionette.js, LESS, Grunt.

    $33.00 /hr
    72 hours
    5.00
  8. Alexey E.

    Alexey E.

    PostgreSQL Expert & Full Stack Web Developer

    Russia - Last active: 4 days ago - Tests: 10 - Portfolio: 6

    6+ years experience in web-development. 3+ years experience in Linux and PostgreSQL administration. Strong Math skills. Interested in big data processing/analysis, highload projects, data mining, AI, applications security. PHP, Zend Framework, PostgreSQL, MySQL, SVN/Git, Linux Administration, Performance Tuning, Database Administration, Payment Processing Integration, Octave, R, SMPP, Kannel, Usability Testing, jQuery, Twitter Bootstrap.

    Groups: Pinnacle Cart eCommerce Application, Zend Certified Engineers

    $30.00 /hr
    5,967 hours
    4.97
  9. Mario Stipetic

    Mario Stipetic

    UI and UX designer

    Croatia - Last active: 1 day ago - Tests: 2 - Portfolio: 6

    Strong passion for great quality UI (user interface) and UX (user experience) design. I am specialized in designing MVP (minimum viable product) for iOS iPhone mobile apps, Android mobile apps and web apps. Please contact me for latest works in PDF format that are not listed in my Upwork portfolio. I have 12 years of professional experience in web and mobile design. I obtained masters degree in design of visual communication at Arts Academy in Split, Croatia. Some of design recognition include nomination for "Website of the day" award at awwwards.com – worlds most recognized web design award website. http://www.awwwards.com/best-websites/peaks-digital-agency-template/ Nomination for cssdesignawards.com: http://www.cssdesignawards.com/sites/peaks-digital-agency-template/26739/

    $27.00 /hr
    117 hours
    5.00