Сергей

Sergey Buyak
React.js / Next.js Developer

Skills

Language: JavaScript, TypeScript, PHP, XML, HTML, CSS
Frameworks / Libraries: React.js, Next.js, Magento, ZendFramework
Db: MySQL, PostgreSQL, ElasticSearch, Redis
Other: Node.js, npm, Composer, TailwindCSS, LESS, OOP, XDebug, Docker,
CI/CD, Microservice architecture, Linux, API Integration
Tools: PhpStorm, WebStorm, Redmine, Jira, Zoho Sprints, Figma, Grunt,
Git/Github/Bitbucket/Gitlab

Languages

★​ English, B2 (Upper Intermediate)

Achievements

★​ Masters Degree in Software engineering (Mykolayiv Shipbuilding University)

Summary Experience
 JS, HTML 11 years

Magento, PHP 8 years

React.js, Next.js ~ 1 year

Total IT experience 20 years

Projects Experience

NEXT.JS
★​ Converted Figma designs into fully responsive layouts
★​ Worked on a fully functional online store using Next.js, TypeScript and Tailwind CSS
★​ Developed responsive layouts and interactive UI components
★​ Built responsive UI with reusable components on dynamic product pages
★​ Implemented product filters with React state management

Next.js example: link
Sources on Github: link (to see sources, you need to request access to the repository)

MAGENTO EXAMPLES

PULSIN
https://www.pulsin.co.uk
★​ Theme development
★​ CMS pages development

​
BED SLATS
https://www.thebedslatscompany.co.uk
★​ Theme development
★​ Magento admin UI components development
★​ Elasticsearch customizations
TRICKERS
https://www.trickers.com
★​ Theme development
★​ CRM integration
★​ CMS pages development

Employment history

Barwenock LLC
Full-Stack Software Engineer (Dec 2019 - 2026) - 6 years 2 months

Responsibilities:
React / Next:
-​ Worked on building high-performance and fully responsive pages using Next.js,
TypeScript and Tailwind CSS.
-​ Combined SSR and client-side rendering for fast user experience.
-​ Created dynamic product pages and optimized rendering (SSR/SSG).
-​ Built responsive grids and adaptive layouts using CSS Grid and Flexbox.
-​ Integrated custom animations for transitions and modals.
-​ Collaborated with designers to refine UI/UX details.
-​ Developed pixel-perfect layouts from Figma designs.

Magento:
-​ Magento 2 Developer
-​ Integration with 3rd Party
-​ Magento themes development

Meigee Sp. Z. o. o.
Front-end Software Engineer (Apr 2012 - Nov 2019) - 7 years 7
months

Responsibilities:
-​ Adaptive and responsive themes for Magento 2
-​ Magento themes update
 -​ Magento 2 migration
-​ JS/HTML/CSS

​
TemplateMonster
Front-end Software Engineer (Apr 2007 - Apr 2012) - 5 years

Responsibilities:
-​ Themes for WordPress, Drupal, osCommerce, phpBB.
-​ Magento 1 Themes
-​ JS/HTML/CSS

Temogam​
HTML Coder (June 2006 - Apr 2007) - 1 year

Responsibilities:
-​ JS/HTML/CSS