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Filip Kostovski

Filip Kostovski

Skopje, Macedonia
Member since April 6, 2014
Filip is a developer with lots of experience in Ruby on Rails, PHP, and Java who loves to write code. He is adept at creating a secure and functional user experience and communicating with clients to help them meet their needs.
Filip is now available for hire
  • JavaScript, 8 years
  • Vim Text Editor, 8 years
  • jQuery, 6 years
  • Sinatra, 4 years
  • CodeIgniter, 4 years
  • Ruby on Rails (RoR), 4 years
  • PHP, 4 years
  • Ruby, 3 years
Skopje, Macedonia
Preferred Environment
Vim, Git, Ubuntu
The most amazing...
...thing I have created is an ad network that served 50M impressions daily with one Nginx server.
  • Ruby Developer
    2013 - 2014
    • Worked on a data migration site.
    • Created multi-server database migration configurations.
    • Worked on the front-end to provide a top notch user experience.
    • Wrote integration tests with Cucumber and created a way to switch between different database servers in order to test migration functionality.
    • Was responsible for writing RSpec tests for unit testing purposes.
    Technologies: Ruby on Rails
  • Ruby Developer
    2013 - 2013
    Itekako Belgrade
    • Worked on a social network.
    • Used Rails version 3.1.
    • Used Elasticsearch for searching.
    • Used Heroku as a deployment option.
    • Used Resque as a background job worker.
    • Used Grape to build the API for the mobile devices.
    Technologies: Ruby on Rails
  • PHP Developer
    2012 - 2013
    Cosmic Development
    • Worked on Ad Server implementation.
    • Set up the architecture for the application.
    • Used CodeIgniter as the MVC framework.
    • Optimized the site's bandwidth and performance.
    • Communicated with clients.
    • Created JavaScript widgets for different types of banners.
    Technologies: PHP, MySQL
  • PHP Team Lead
    2011 - 2012
    • Supported sites for internet brands.
    • Motivated my team members and helped solve common programming problems.
    • Communicated with the client.
    • Created CakePHP and vBulletin integration.
    • Worked with a MediaWiki platform.
    Technologies: PHP
  • PHP Senior Developer
    2010 - 2011
    • Worked on a JavaScript front-end to provide RIA.
    • Worked on the JSON-RPC back-end.
    • Created a custom JavaScript MVC framework.
    • Worked as a Java developer.
    • Worked as an API solution designer.
    Technologies: PHP
  • PHP Developer
    2009 - 2010
    DATA Analitix Skopje
    • Worked on an aggregator web site.
    • Uses Sphinx for full text search.
    • Optimized database queries.
    • Did Database modeling.
    • Used Prototype JS to create a Web 2.0 interface.
    Technologies: PHP, MySQL, Sphinx Search
  • Java Developer
    2008 - 2009
    SEAVUS Skopje
    • Worked on a Java web application.
    • Used Struts as an MCV framework.
    • Used Spring for DI.
    • Used Hibernate as the ORM.
    • Used Velocity for the view layer.
    Technologies: Java, Struts, Spring, Hibernate
  • Ruby Developer
    2006 - 2008
    ASPEKT Skopje
    • Worked on a social network site built with RoR.
    • Was responsible for the back-end.
    • Was responsible for training sessions for the ruby newbies.
    • Was responsible for the JavaScript client-side interactions.
    • Used Rails version 1 in all its classical goodness.
    Technologies: Ruby on Rails
  • Languages
    Ruby, PHP, JavaScript, Go
  • Frameworks
    Ruby on Rails (RoR), CodeIgniter, Sinatra, AngularJS
  • Libraries/APIs
  • Tools
    Vim Text Editor
  • Paradigms
    Agile Software Development
  • Platforms
  • Storage
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