Сергій

Serhii Ivasiuk – WordPress / WooCommerce Developer
e-mail | Telegram | LinkedIn

WordPress & WooCommerce developer with 4+ years of commercial experience
building scalable eCommerce platforms and custom business solutions.
Experienced in custom theme and plugin development, WooCommerce architecture,
API integrations, and performance optimization.
Strong background in PHP and modern frontend frameworks (Vue.js, Nuxt), allowing
development of custom WordPress integrations, headless solutions, and marketing-
focused websites.
Focused on clean architecture, performance, and delivering business value for
eCommerce projects

Core Expertise

WordPress / WooCommerce PHP
• Custom theme development • OOP, SOLID
• Custom plugins & business logic • Custom backend architecture
• WooCommerce customization
Frontend
• Elementor page builder customization
• JavaScript / TypeScript
• Performance optimization
• Vue.js / Nuxt 3
Integrations
• Tailwind / SCSS
• REST API
• GraphQL Performance
• Payment & shipping integrations • Core Web Vitals optimization
• CRM / ERP integrations • Redis
Additional eCommerce Platforms • Elasticsearch

• Magento 2 (custom modules, checkout customization)
• BigCommerce

Professional Experience
WordPress / E-Commerce Developer – IdeaInYou (2021 – Present)

Worked on multiple WordPress and WooCommerce eCommerce projects, delivering custom solutions for
online stores and marketing websites.
Key responsibilities:

• Developed custom WordPress themes and WooCommerce functionality
• Built ACF-based flexible content systems for marketing teams
• Implemented custom checkout logic and payment integrations
• Optimized Core Web Vitals and website performance
• Built scalable backend logic using PHP OOP principles

Also contributed to Magento and headless commerce projects
Selected Projects
Re:Me WooCommerce eCommerce (2025)

Wellness eCommerce brand focused on product storytelling and marketing performance.

My impact:

• Built custom WooCommerce architecture
• Developed custom WooCommerce pages and layouts using Elementor
• Implemented custom checkout and product logic
• Integrated GA4 and Meta Pixel tracking
• Optimized website performance and loading speed

GetCheckout Headless Checkout Platform (Nuxt3, Vue3, TypeScript) (2024 - 2026)

Built checkout SaaS platform used by multiple eCommerce stores.

My impact:

• Built checkout frontend and merchant admin panel
• Implemented payment integrations (Fondy, LiqPay, PayPal etc.)
• Developed monitoring tools and checkout analytics

Multiple WooCommerce Projects

Worked on several WooCommerce stores across retail and product brands.

• Custom WooCommerce functionality
• Product configuration logic
• Payment and shipping integrations
• Performance optimization
• Marketing and analytics integrations

Education Languages
Bachelor's degree in Accounting and Audit English – B2
Kyiv National University of Trade and Economics 2011-2013 Ukrainian – Native