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Mykola Havrylov
Senior Frontend & Shopify Developer
Poland, Wrocław | Ukraine, Kharkiv [открыть контакты](см. выше в блоке «контактная информация») | [открыть контакты](см. выше в блоке «контактная информация»)

[открыть контакты](см. выше в блоке «контактная информация») MykolaDEV [открыть контакты](см. выше в блоке «контактная информация»)

github.com/mykola-havrylov

PROFESSIONAL SUMMARY
Senior Frontend & Shopify Developer with over 8 years of experience in e-commerce. I specialize in
the Shopify ecosystem (Liquid, Hydrogen) and modern React/TypeScript development. As a former
Team Lead, I have experience organizing workflows, automating deployments, and mentoring
developers. My focus is on real-world performance (Core Web Vitals), clean architecture, and
delivering high-quality UI. Open for Full-Time roles (Remote / Europe).

TECHNICAL SKILLS Languages
Core Stack English
Shopify Plus, Custom Theme Development Pre-Intermediate / B1 - Technical
(Liquid), Headless Commerce (Hydrogen, communication
Storefront API), React, TypeScript, Next.js.
Ukrainian
Performance & UI Native
Core Web Vitals (LCP, CLS, INP), Lazy Loading,
Tailwind CSS, Styled Components, GSAP, SCSS, Russian
HTML5. Native

Tools & DevOps
Git, Git-flow, Vite, Webpack, Docker (Basic),
Shopify CLI, Figma.

CMS
WordPress (Maintenance & Custom Themes),
PHP (Basic).

WORK EXPERIENCE
Shopify Developer / Frontend Developer 03/2023 – 12/2025
Gelt.Biz Warsaw, Poland
Architected scalable frontend solutions for Shopify stores using Liquid and
•

React, ensuring long-term maintainability.
 Boosted Core Web Vitals: Improved LCP, CLS, and INP metrics by 30–40%
•

through advanced code-splitting, image optimization, and refactoring
legacy JavaScript.
Developed complex, interactive UI components using GSAP and Styled
•

Components, significantly enhancing user engagement.
Established automated deployment workflows via Shopify GitHub
•

integration, ensuring version control stability and seamless updates.
Contributed to Headless Commerce projects utilizing Hydrogen and React
•

Server Components.
Maintained and optimized legacy WordPress projects, ensuring security
•

and speed stability.

Web Developer -> Team Lead 08/2017 – 03/2023
Glivera-team Kharkiv, Ukraine
Promoted from Developer to Team Lead based on consistent delivery of
•

high-quality code and leadership capabilities.
Leadership: Led a team of 4–6 developers; supervised project execution,
•

conducted code reviews, and implemented Git-flow standards.
Developed custom Shopify themes from scratch tailored to specific client
•

business needs.
SEO Impact: Optimized high-traffic websites for search engines, directly
•

contributing to a 15–20% increase in organic traffic.
Solved complex technical issues and critical bugs, stabilizing functionality
•

across multiple concurrent projects.
Mentored junior developers, facilitating their professional growth and
•

onboarding.

Web Developer (Part-time) 05/2017 – 07/2020
Software Development Hub Kharkiv, Ukraine
Developed responsive admin panels and CMS interfaces using HTML, CSS,
•

and JavaScript.
Integrated frontend components with Django templates for dynamic
•

content rendering.
Ensured cross-browser compatibility and UI consistency across mobile
•

and desktop devices.

EDUCATION
Bachelor's Degree in Transport Organization 2004 – 2008
Kharkiv National Automobile and Road University

COURSES
Advanced React Ecosystem: Next.js 13 (SSR/SSG), Redux Toolkit, 2023 – 2024
TypeScript
Udemy

Front-end Development: HTML/CSS/JS 2016
Lemon School