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English
$
USD
I will customize your shopify theme with liquid and react
Sergio P
About this gig
Hi! I'm Sergio, a Senior Full Stack Developer with 10+ years of professional experience, currently working daily on Shopify projects.
I'll help you customize, fix, or extend your Shopify theme with clean, maintainable code that won't break your store. Whether you need a small tweak, a custom section, or a full theme overhaul, I've got you covered.
What I can do for you:
Custom Shopify theme development with Liquid (Online Store 2.0) Custom sections and blocks, configurable from the theme editor App blocks and theme app extensions Interactive components with Preact/React (lightweight, fast) Bug fixing and theme debugging Mobile-first responsive design Performance optimization (Lighthouse / Core Web Vitals) Clean, documented, and maintainable code
Why work with me:
⭐ 10+ years as a professional developer (not a beginner) ⭐ Daily work on real production Shopify stores ⭐ Strong focus on performance because in e-commerce, every second matters ⭐ Clear communication in English and Spanish ⭐ On-time delivery
Important: Before placing an order, please contact me with the details of your project (current theme, what you need, links to references if any). This way I can give you an accurate q
Respect third-party rights
Please be aware that it is against Fiverr's policies for sellers to include themes, templates, or any other elements that infringe third-party rights or applicable laws in the delivered work. Read more about in our Guide to Responsible Digital Creation.
Get to know Sergio P
Sergio P
Full Stack Developer
- FromSpain
- Member sinceMay 2026
- Avg. response time1 hour
Languages
Spanish
I am a Web Developer with extensive experience in HTML5, CSS3, JS, JQuery and PHP, currently transitioning into a Full Stack Developer. I am completing a Full Stack Developer Bootcamp with NodeJS, Angular, React, Symfony...
FAQ
Do you work on existing themes or only build new ones?
Both. I can customize any existing theme or build sections from scratch.
Can you fix bugs or issues in my current theme?
Yes, theme debugging and bug fixing is part of my daily work. Just send me the issue details and I'll review it.
Will my theme work on mobile devices?
Absolutely. All work is mobile-first and tested across devices and browsers.
Do you work with Shopify 2.0 themes?
Yes, I work daily with OS 2.0 themes — sections everywhere, JSON templates, metaobjects, and app blocks.
Do you provide support after delivery
Yes, I include a revision period in all packages, and the Premium package includes 30 days of post-delivery support.
Can you help with app blocks and theme app extensions?
Yes, I work regularly with theme app extensions and app blocks. I can integrate them or develop custom ones if needed.
What information do you need to start?
I need access to your Shopify store (as a collaborator or staff), the current theme details, and a clear description of what you want to achieve. References or examples are always helpful.
