Yauhen (Yakastsi) Kastsiuk

Yauhen (Yakastsi) Kastsiuk

IT'07 | Founder RGB.by | Web Dev, SEO, Ads | AI practitioner

IT specialist since 2007. Founder of RGBbox (2009). Full-cycle web: build, support, SEO, ads, analytics. Applying AI in day-to-day work.

Telegram +375 44 720-05-15

Education

BSUIR (2007-2012), telecommunications engineer

Experience

Owner / web developer, RGBbox

July 2009 - present

  • End-to-end websites: front-end, back-end, launch, QA
  • CMS: Joomla, WordPress, Bitrix, ModX, PrestaShop
  • SEO, ads, email marketing
  • Ongoing support and administration
  • Bringing AI tools into delivery workflows

AI (2026)

  • SCSP.ai - AI in National Security
  • DeepLearning.AI - ChatGPT Prompt Engineering for Developers
  • AWS Skill Builder - AI Practitioner (in progress)

Skills

  • HTML, CSS, JavaScript, PHP
  • Joomla / WordPress / Bitrix / ModX / PrestaShop
  • Servers & panels: CentOS, cPanel, VestaCP, ISP Manager
  • SEO, Google Ads, analytics (Metrika, Analytics, Search Console)
  • Photoshop, Illustrator, VS Code, DevTools
  • AI: prompt engineering, assistants in development and content

About

Yakastsi comes from Belarusian «якасць» (of quality / quality).

Creative and analytical. Current focus - AI.

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