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Anatoliy O.
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Anatoliy O.

Shopify developer | Shopify speed | Shopify app developer

💭Nothing beats watching a client go from $500K to $5M/month and casually saying "yeah the site's been solid." That's the whole job 😎. 𝐓𝐨𝐩 𝐒𝐡𝐨𝐩𝐢𝐟𝐲 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 𝐟𝐨𝐫 𝐇𝐢𝐠𝐡-𝐕𝐨𝐥𝐮𝐦𝐞 𝐁𝐫𝐚𝐧𝐝𝐬 & 𝐒𝐚𝐚𝐒 𝐂𝐨𝐦𝐩𝐚𝐧𝐢𝐞𝐬 Senior Shopify Developer | Stores & Public/Custom Apps | "Built for Shopify" Badge | Liquid, GraphQL, React, Node.js As a Shopify developer and full stack developer, I build both high-performance Shopify apps and high-converting Shopify Plus stores that scale to millions of requests, strictly meet Shopify's performance standards, and drive measurable revenue for ecommerce businesses generating $500K+ to $10M+ in monthly revenue. Whether you need a complex SaaS Shopify app, a fast custom Shopify theme, a Figma to Shopify build, or seamless ERP/CRM integrations, I deliver clean, future-proof code as a web developer working with modern technologies (Liquid, Theme Extensions, Checkout Extensions, Shopify Functions, App Bridge 3.0). 🏆 Proven Track Record & Key Achievements ✔️ 50+ Custom & Public Shopify Apps built and deployed to production ✔️ 65+ Custom Shopify & Shopify Plus Stores launched for high-volume brands, including Shopify dropshipping setups ✔️ "Built for Shopify" Badge Holder — apps strictly pass Shopify's performance, UI/UX, and security reviews ✔️ 70–80% Shopify speed improvement for 40+ stores via Liquid, Core Web Vitals, and asset optimization ✔️ Doubled conversion rates (CRO) for key client stores through UX improvements and custom checkout flows ✔️ Built for scale — high-load API architectures and store infrastructure handling peak traffic with 99.9% uptime 🛠️ What I Can Build For You 1. Public & Custom Shopify App Development As a Shopify app developer and React developer, I deliver end-to-end SaaS development with Shopify Polaris for a native UI/UX — custom loyalty programs, bundle builders, B2B portals, and logic powered by Shopify Functions, plus modernization of legacy apps/scripts into Theme App Extensions & Checkout UI Extensions. 2. Custom Shopify Website & Theme Development As a Shopify designer, I build custom Shopify Plus themes from scratch with clean, modular Liquid, JS, and HTML/CSS — including Figma to Shopify conversions, Shopify speed and performance optimization (Core Web Vitals, 90+ PageSpeed scores), and strategic SEO & CRO enhancements to double store engagement and conversion rates. 3. API & Enterprise System Integrations Complex two-way syncs via GraphQL/REST APIs, Webhooks, and event-driven architecture connecting Shopify to NetSuite, Salesforce, Klaviyo, and custom ERPs/CRMs. 💻 Technical Stack & Expertise Ecommerce & Shopify: Liquid, Storefront API, GraphQL Admin API, Shopify App Bridge, Polaris UI, Theme App Extensions, Checkout UI Extensions, Shopify Functions Core & Frameworks: JavaScript (ES6+), React, Remix, Node.js, Express, TypeScript, Python, PHP, HTML5/CSS3 — full stack developer across frontend and backend Web & CMS: Wordpress developer background for hybrid ecommerce/content builds Performance & Analytics: Core Web Vitals, CRO, Shopify SEO, PageSpeed Optimization Database, Cloud & DevOps: PostgreSQL, MongoDB, Redis, AWS, GCP, Git, Docker, CI/CD 🤝 Why Top Brands & SaaS Founders Work With Me As a Shopify developer, I follow a Shopify-first standard: native development without deprecated script injection or bloated code, code engineered for speed and high conversion rates, and I stay a reliable partner with clear communication, structured Git workflows, clean documentation, and full post-launch support. 📩 Ready to build, scale, or upgrade your Shopify store or app? Send me a message and let's discuss your project!

🇺🇦Zaporozhye, Ukraine$25/hr100% JSS4.97 (8)Since Jul 2016

Earnings and projects

MRR
$7

Last 6 months ÷ 6

World#175,208 / 412k
🇺🇦Country#6,165 / 14.3k
Revenue, last 30 days
$0

Last 6 months: $40

Total earnings
$73k

Billed in all: $76k

World#54,582 / 412k
🇺🇦Country#3,407 / 14.3k
Per project
$6.6k

$40 in the last 6 months

World#25,955 / 412k
🇺🇦Country#1,719 / 14.3k
Projects, last 6 months
1
0% fixed100% hourly
World#128,092 / 412k
🇺🇦Country#4,718 / 14.3k
Projects in all
11

Across 13 contracts

31% fixed69% hourly
World#192,417 / 412k
🇺🇦Country#7,811 / 14.3k

Earnings, last 30 days

$76.4kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$75k$76k$77k$78kOct 8Oct 23Nov 7

Skill rankings: Top 29% in jQuery

Ranked by MRR among everyone on Upwork with the skill.

  1. #108Custom Ecommerce Platform Development226 freelancers · 🇺🇦 #6Top 48%
  2. #1,758Git5,766 freelancers · 🇺🇦 #232Top 30%
  3. #1,770Shopify Plus3,236 freelancers · 🇺🇦 #61Top 55%
  4. #1,784Shopify Apps3,368 freelancers · 🇺🇦 #72Top 53%
  5. #1,883Shopify Templates3,688 freelancers · 🇺🇦 #67Top 51%
  6. #1,998Bootstrap6,899 freelancers · 🇺🇦 #195Top 29%
  7. #2,437Shopify Theme4,613 freelancers · 🇺🇦 #87Top 53%
  8. #2,592jQuery8,973 freelancers · 🇺🇦 #268Top 29%