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I will fix shopify bugs, theme customization, custom code, fix shopify store issues
Jannis Seidel
About this gig
Struggling with Shopify bugs, coding errors, or theme customization issues on your store? You're in the right place. I specialize in fixing Shopify bugs, Shopify custom coding, theme customization, and resolving Shopify website issues to ensure your store runs smoothly and performs at its best.
With strong experience in Shopify development, Liquid coding, HTML, CSS, and JavaScript, I help Shopify store owners fix technical issues, customize themes, and improve store functionality without affecting existing features.
Whether it's a broken layout, app conflict, slow functionality, checkout errors, or design customization, I will quickly identify the issue and implement a clean, professional solution.
What I Can Fix
- Shopify bug fixing and error troubleshooting
- Shopify custom code and Liquid coding
- Shopify theme customization and design edits
- Fix Shopify website layout or responsive issues
- Custom sections, header, footer, and homepage edits
- Product page and collection page customization
- HTML, CSS, JavaScript issues in Shopify
- Shopify store performance improvements
Why Hire Me
- Fast Shopify bug fixes
- Optimized Shopify coding
- Clear communication
MESSAGE ME TO GET YOUR PROJECT STARTED
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 Jannis Seidel
Jannis Seidel
Seamless Shopify Migrations Bug Fixes and Meta Ads Setup
- FromGermany
- Member sinceFeb 2026
- Avg. response time8 hours
Languages
English, German, Spanish, French
I'm Jannis Seidel, a Shopify expert passionate about helping businesses grow. I specialize in Shopify bug fixes, store maintenance, seamless migrations, and Meta Ads setup. From products, customers, and orders to theme customization and ad campaigns, I ensure your Shopify store runs flawlessly and drives results. With precise, professional, and reliable service, I help you optimize performance, boost sales, and scale your eCommerce business. Message me today to take your Shopify store to the next level!
Other Website Maintenance Services I Offer
FAQ
What types of Shopify bugs can you fix?
I can fix most Shopify bugs and technical issues, including layout errors, broken sections, theme problems, coding errors, responsive issues, app conflicts, and checkout or functionality problems.
Do you provide Shopify custom coding and theme customization?
Yes. I offer Shopify custom coding and theme customization using Liquid, HTML, CSS, and JavaScript to add new features, modify sections, and improve your Shopify store design and functionality.
Can you fix issues on any Shopify theme?
Yes. I can work with both free and premium Shopify themes. I can troubleshoot errors, customize theme layouts, and implement custom code without affecting your store performance.
What information do you need to start the work?
To begin, I may need your Shopify store URL, a clear description of the issue, screenshots if available, and collaborator access to your Shopify store.
Do you fix Shopify website speed or performance issues?
Yes. I can help optimize Shopify store performance, fix slow-loading elements, remove code conflicts, and improve overall website functionality.
How long does it take to fix a Shopify bug?
Simple Shopify bug fixes can be resolved quickly, while complex issues or custom coding may take longer depending on the problem and required customization.
Should I contact you before placing an order?
Yes. I recommend contacting me before placing an order so we can discuss your Shopify issue, review the requirements, and choose the best package for your project.
