Kovalenko & son

PHP/MySQL projects of high complexity. Web development


In the light of Ukrainian situation, we are also interested in simplier tasks. Father and son, 15 and 5 years of programming experience before freelance respectively. We seek projects with complex and interesting architecture. We already have experience of self-made succesfull development of ERP, CRM and CMS projects. We posses various skills: UNIX administration (expert level); Web-programming (including HTML, JavaScript, Ajax, CSS, etc. at expert, cross-browser level); MySQL (expert) or other DB. Just as any professional, we accumulated a set of various work-accelerating drafts. If there is a simplier solution to your problem/task - we will find it. Please note, that hourly price specified in profile is the sum we want to receive after subtraction of Upwork's fee.

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Web Development

Our standard skeleton for web-development consists of Symfony, Vue.js and Material Design. We're also highly proficient with CodeIgniter, Laravel, jQuery, and SASS, which could come handy if you need to upgrade existing project.


  1. MySQL Programming
  2. CodeIgniter
  3. Linux
  4. Vue.js
  5. PHP
  6. Sass
  7. Vuex
  8. Twitter/X Bootstrap
  9. API Development
  10. Symfony 4
  11. Laravel
  12. JavaScript
  13. jQuery

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Upwork activity

Hourly rate


Minimum project size


Total earned


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Total jobs


Member since

Feb 25, 2014

Company information

Agency size

2-10 workers

Year founded


Client focus

Medium business

Very small business

Small business

Russian: Native or Bilingual
Ukrainian: Native or Bilingual
English: Fluent
German: Basic