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Mykola Havrylov
Shopify Developer
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github.com/mykola-havrylov · Poland, Wrocław · Remote · Poland / Ukraine · Open to EU & US

PROFESSIONAL SUMMARY
Shopify Developer with 4+ years of Shopify specialization and 8+ years in web development. I cover the full cycle — from Figma to
pixel-perfect Liquid theme, from performance audit to measurable results: improved Core Web Vitals (LCP, CLS, INP) by 30–40%,
contributed to 15–20% organic traffic growth through SEO optimization. Experienced with custom Liquid themes on Shopify Plus,
ACF-powered WordPress themes (Sage/Blade), quiz funnel development in GoHighLevel, and Facebook Pixel with custom
conversion events. Familiar with Headless Commerce architecture (Hydrogen, Remix, Storefront API), Shopify Functions, Checkout
Extensibility, and Web Pixels API. As a former Team Lead I managed teams of 4–6 developers, mentored juniors, and reduced
critical bug rate by ~30%. Open to full-time and part-time remote roles with Shopify agencies and e-commerce teams in EU and US
markets.

TECHNICAL SKILLS
Shopify Core Shopify Plus · Custom Theme Development (Liquid) · Dawn Theme · Sections Everywhere ·
Metafields · Metaobjects · Shopify CLI · Theme Check · B2B / Markets
Headless / API Hydrogen v2 · Remix · React Server Components · Storefront API · GraphQL · Oxygen Deployment ·
Shopify App Bridge
Checkout & Apps Checkout Extensibility · Checkout UI Extensions · Post-purchase Extensions · Web Pixels API
Frontend Stack React · TypeScript · Tailwind CSS · Styled Components · GSAP · SCSS · HTML5
Performance Core Web Vitals (LCP, CLS, INP) · Lazy Loading · Code Splitting · Image Optimization · Lighthouse
Tools & DevOps Git · Git-flow · Vite · Webpack · Docker (Basic) · Shopify GitHub Integration (CI/CD) · Figma
CMS WordPress · PHP (Basic)
Languages English — B1 Technical · Ukrainian — Native

WORK EXPERIENCE

Shopify Developer / Frontend Developer
Gelt.Biz · Warsaw, Poland 03/2023 – 12/2025

▸ Architected scalable Shopify storefronts using custom Liquid themes built on Dawn, implementing Sections Everywhere,
Metafields, and Metaobjects for flexible content management.
▸ Improved Core Web Vitals (LCP, CLS, INP) by 30–40% across 3 projects through code-splitting, critical CSS extraction, image
optimization (WebP/lazy loading), and legacy JavaScript refactoring.
▸ Developed quiz funnels in GoHighLevel integrated with Facebook Pixel and custom conversion events, enabling accurate
tracking of user behavior and campaign performance for e-commerce clients.
▸ Connected Shopify stores to GitHub for version-controlled theme development — enabling branch-based workflow, code
review process, and safe theme updates.
▸ Built complex interactive UI components with GSAP and Styled Components, increasing average session duration by
improving engagement on key landing pages.
▸ Maintained and performance-optimized legacy WordPress projects, ensuring security compliance and page speed stability.
▸ Developed custom WordPress themes from scratch using Sage (Roots.io) + Blade templating engine and ACF — following a
Figma → markup → custom theme workflow for pixel-perfect implementation.

Web Developer → Team Lead
Glivera-team · Kharkiv, Ukraine 08/2017 – 03/2023

▸ Delivered custom Shopify themes from scratch across multiple client projects, tailored to business needs including multi-
language stores, RTL layouts, and Shopify Plus-specific features.
▸ Promoted to Team Lead — managed a team of 4–6 developers, introduced Git-flow standards, conducted code reviews, and
reduced critical bug rate by ~30%.
▸ Optimized high-traffic e-commerce sites for SEO (structured data, page speed, Core Web Vitals), contributing to a 15–20%
increase in organic traffic across key accounts.
 ▸ Resolved critical technical issues across 6–8 concurrent Shopify projects under tight deadlines, maintaining 100% on-time
delivery rate.
▸ Mentored 3 junior developers from onboarding to independent project delivery within 3–4 months.

Web Developer (Part-time)
Software Development Hub · Kharkiv, Ukraine 05/2017 – 07/2020

▸ Developed responsive admin panels and CMS interfaces using HTML, CSS, and JavaScript integrated with Django templates.
▸ Ensured cross-browser compatibility and pixel-perfect UI consistency across mobile and desktop.

EDUCATION & CERTIFICATIONS

Advanced React Ecosystem Bachelor's Degree — Transport Organization
Next.js 13 (SSR/SSG), Redux Toolkit, TypeScript Kharkiv National Automobile and Road University
Udemy · 2023–2024 2004–2008
Front-end Development: HTML/CSS/JS
Lemon School · 2016