You will get custom shopify developer for API integrations
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Programming Languages
HTML & CSS, JavaScript, TypeScriptCoding Expertise
Cross Browser & Device Compatibility, Localization, DesignWhat's included $150
These options are included with the project scope.
$150
- Delivery Time 3 days
- Number of Revisions 0
6 reviews
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HA
Hans A.
Mar 19, 2026
PM+QA for MERN project for pop music reviews app
Fantastic work! The team was professional, capable, and responsive!
NR
Nicole R.
Feb 16, 2026
Shopify developer for Product Sync + Checkout
We had a very positive experience working with Anna and the DevIT team on our Shopify API integration project. she was technically skilled, responsive, and professional throughout the engagement. Any challenges that arose were handled in a solutions-focused manner, and the final result met our expectations. We appreciate all of their work and would gladly collaborate again in the future.
NU
Nicolas U.
Dec 10, 2025
Shopify Expert Developer and Designer + QA and PM
Excellent work - very structured and high quality. Plus, very pleasant to work with.
KR
Kyle R.
May 7, 2024
Full Stack Web Development
Freelancer promised higher availability than they really had. I had to end the contract because they could not complete projects in a reasonable time.
MS
Marko S.
Feb 8, 2024
Wordpress development
About Anna
Shopify Developer, Shopify App Developer
100%
Job Success
Zaporizhzhya, Ukraine - 6:57 am local time
Custom Shopify stores, Shopify apps, complex integrations, Shopify Plus development, and performance optimization built around what your business actually needs, not limited by standard Shopify functionality. I’m a Shopify Developer & Shopify App Developer focused on building scalable eCommerce solutions that perform.
A quick snapshot of the work:
I have built 35+ custom OS 2.0 themes from scratch and executed flawless Figma to Shopify conversions as a Shopify Developer, Shopify App Developer, and Shopify Plus Developer.
Engineered 45+ custom Shopify apps on Node.js/MERN, handling 100,000+ active users and API requests without issues as a Shopify Developer, Shopify App Developer, and Shopify Plus Developer.
Completed 100+ technical Shopify & CRO audits as a Shopify Developer, Shopify App Developer, and Shopify Plus Developer and can do it for you!
I have delivered 30+ CMS-to-Shopify migrations, including moving 5M+ data rows with zero SEO traffic loss as a Shopify Developer, Shopify App Developer, and Shopify Plus Developer.
🟢 Where I focus as a Shopify Developer, Shopify App Developer:
Conversion and speed. Custom theme builds and technical CRO work have pushed client conversion rates up 15–35%, mostly by fixing mobile layouts, checkout flow, navigation, and page load times. As a Shopify Developer, Shopify App Developer, I also go after app bloat: replacing heavy subscription, quiz, and filter apps with lightweight native Liquid/JS features, cutting monthly app fees by up to 40% and boosting Core Web Vitals.
🟢 Custom development as a Shopify Developer, Shopify App Developer and Shopify Plus Developer:
When a store needs something Shopify doesn't offer out of the box, I build it: as a Shopify Developer, Shopify App Developer, I build custom apps on Node.js/React/MERN, REST & GraphQL API integrations, webhook setups with proper HMAC verification and idempotency, OAuth install flows, theme app extensions, and app embed blocks.
🟢 Migrations with a Shopify Developer, Shopify App Developer:
WooCommerce to Shopify, Magento to Shopify, or any legacy CMS, handled carefully by an experienced Shopify Developer, Shopify App Developer, and Shopify Plus Developer where data safety and SEO retention are the absolute priority.
🟢 Industries I've worked in as a Shopify Developer, Shopify App Developer or Shopify Plus Developer:
Luxury & jewelry, furniture & interior design, health & wellness, fashion & apparel, B2B Shopify Plus (as a Shopify Plus Developer, Shopify Developer, Shopify App Developer), FinTech eCommerce, and SaaS/digital products.
🟢 How I work as a Shopify Developer, Shopify App Developer:
I start with a technical audit before touching any code. From there, as a Shopify Developer, Shopify App Developer, I handle architecture, wireframing, and development with clean, maintainable code (Liquid for themes, Node/React for custom apps), followed by tool integrations (Klaviyo, GA4, Recharge, Meta Pixel). Everything gets tested cross-browser and mobile-first.
🧩 Specialize in custom OS 2.0 theme development, Liquid coding, Figma to Shopify design conversion, mobile-first responsive design, and Shopify SEO optimization as a Shopify Developer, Shopify App Developer, and Shopify Plus Developer.
🧩 Build public and custom apps leveraging the Shopify Admin API, Storefront API, webhooks, OAuth flows, Theme App Extensions, and App Embed Blocks as a Shopify App Developer, Shopify Developer, and Shopify Plus Developer.
🧩 Build headless setups, REST/GraphQL API integrations, and robust backend solutions using Node.js, Express, React.js, and the MERN stack as a Shopify Developer, Shopify App Developer, and Shopify Plus Developer.
🧩 Execute seamless platform migrations from WooCommerce, Magento, and legacy CMS to Shopify without losing SEO rankings or customer data as a Shopify Developer, Shopify App Developer, and Shopify Plus Developer.
🧩 Optimize Core Web Vitals, fix page speed bottlenecks, and eliminate third-party app bloat to maximize store performance as a Shopify Developer, Shopify App Developer, and Shopify Plus Developer.
🧩 Configure comprehensive e-commerce tracking including Google Analytics 4, Meta Pixel & Conversions API, and Klaviyo email marketing as a Shopify Developer, Shopify App Developer, and Shopify Plus Developer.
🧩 Implement advanced CRO strategies, landing page optimization, and custom UI components to directly increase store conversion rates as a Shopify Developer, Shopify App Developer, and Shopify Plus Developer.
Whether you need a Shopify Developer for custom themes, a Shopify App Developer for proprietary features, or a Shopify Plus Developer for enterprise scalability, I am ready to elevate your business!
Please DM me or send an invite to proceed!
Steps for completing your project
After purchasing the project, send requirements so Anna can start the project.
Delivery time starts when Anna receives requirements from you.
Anna works on your project following the steps below.
Revisions may occur after the delivery date.
Discovery & Project Discussion
We'll discuss your business goals, Shopify requirements ets.