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Fiverr Pro
English
$
USD
I will fix shopify bugs as a professional shopify developer
Sebastian K
Vetted Pro
Top Rated
4.9
4.9
People keep coming back! sebastian__de has an exceptional number of repeat buyers.
What people loved about this freelancer
cartcraving
Norway
Sebastian K is an exceptional website maintenance expert who truly EXCEEDS expectations. His attention to detail and professionalism in every task are commendable,...
primecookout
United Kingdom
Working with Sebastian K was a FANTASTIC experience! The quality of delivery was impressive, as he provided excellent documentation, exhibited meticulous attention...
kgbroo54
United States
Working with Sebastian has been a seamless and enjoyable experience. It's not easy finding someone with the skill and expertise to make changes to your Shopify...
ester_eb
United Kingdom
The code was implemented super fast, and he was eager to fix anything that we brought up to him. I would 100% recommend Sebastians services.
gonmra
China
I am convinced this guy is a magician of Shopify because we tried to solve a problem for 7 hours (and we're devs ourselves) and he solved in 30 minutes. Thanks so much for your skills!
Vetted by Fiverr Pro
Sebastian K was selected by the Fiverr Pro team for their expertise.
About this gig
Need a Shopify Bug Fix - fast and professionally?
With over 14 years of experience as a Shopify developer and front-end expert, I specialize in crafting custom Shopify solutions using Liquid, HTML, CSS, and JavaScript.
I bring precision, reliability, and fast communication to every project.
Choose the right package based on your needs:
Mini: 1 hour of work
Standard: 2 hours
Premium: 5 hours
Perfect for store owners looking to fix broken features, improve performance, or clean up theme code.
What I offer:
- Bug fixing in Shopify themes
- Design & layout corrections
- Code optimization across Liquid, JS, CSS
Trusted by clients worldwide, I deliver fast, reliable fixes to keep your store running smoothly.
To get started, I'll need:
- A description of the issue
- Store access
- Your goals or expectations
Check the FAQ for common questions.
Click the black "Request to Order" button to get 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 Sebastian K
Sebastian K
Vetted Pro
Shopify Expert and Senior Front End Developer
Top Rated
Sebastian K is part of the Fiverr Pro catalog and has been hand-picked by a dedicated Fiverr Pro team for their skills and expertise.
Vetted for
Website Development
Website Maintenance
- FromMexico
- Member sinceDec 2019
- Avg. response time1 hour
- Last deliveryabout 2 hours
Languages
English, German, Spanish
German Shopify Developer - Top Rated & Vetted Pro on Fiverr with 500+ five-star reviews and 15+ years in frontend development. Based in Mexico, working in CST hours.
I help ecommerce merchants ship stores that actually convert — clean code, sharp design, and the details most freelancers skip. The unique angle: I'm both the designer AND the developer, so designs come ready for code, and code is built with design sensibility.
What you get: clear scope, honest timelines, work your next dev won't curse, and replies that don't take three days.
My Portfolio
Other Website Maintenance Services I Offer
FAQ
What kind of issues can you fix?
I can fix almost anything – broken buttons, layout glitches, cart issues, product pages not working properly, mobile display problems, and more. If something looks or feels off, I’ll take care of it.
I don’t know what’s causing the problem – can you investigate for me?
Absolutely. I offer detailed bug analysis. Even if you're unsure what's wrong, I’ll inspect the issue, find the root cause, and suggest the best fix.
My add to cart button doesn’t work – can you help?
Definitely. I’ve fixed dozens of add-to-cart issues – whether it’s theme conflicts, JavaScript errors, or app interference. I’ll get it working smoothly.
Can you fix layout issues
Yes. I handle all responsive design issues. If your site looks broken or misaligned on mobile devices, I’ll make it look great across all screen sizes.
I had someone else work on my theme, and now things are broken. Can you fix it?
Yes, I’ve helped many clients recover from broken code or unfinished work. I’ll review the issue and get your store back in shape.
How do I know if I need the Mini, Standard, or Premium package?
Messaging me beforehand allows us to discuss your specific needs and ensure the chosen package aligns perfectly with your requirements. This way, I can provide tailored assistance for your Shopify bugs
Are there any limitations to the types of bugs you can fix?
I can fix a wide range of design and functionality issues within your Shopify theme. However, some limitations apply when it comes to bugs caused by third-party apps. In those cases, the solution may depend on the app developer.
How fast can you fix a bug?
Timelines vary based on the package chosen and the complexity of the bugs. Most small bugs can be fixed within 24-48 hours. Urgent fixes are possible with express delivery – just let me know your timeline.
Will I get support after the bug is fixed?
Yes. I offer short-term post-fix support in case the issue reoccurs or you have related questions. I stand by my work and want you to feel confident.
Do you only fix bugs, or can you also suggest improvements?
I’m happy to do both! While fixing bugs, I might spot areas where your store could be cleaner, or more user-friendly – and I’ll gladly share those insights with you.
Reviews
134 reviews for this Gig
| (130) | ||
| (3) | ||
| (0) | ||
| (0) | ||
| (1) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
C cata1453
United Kingdom
⭐⭐⭐⭐⭐ Excellent experience working with Sebastian. He quickly identified and fixed a Shopify theme issue where all product pages were displaying the same content. The fix was implemented perfectly and tested across the store. Great communication, very professional, and fast delivery. Highly recommended for any Shopify work!
$50-$100
Price
1 day
Duration
Helpful?S 
sallykmcbride
Repeat Client
United States
Sebastian was exceptionally effective at this delivery: quick response time, made additional recommendations beyond what I'd requested, and helped me solve a tricky problem with my website that had vexed many other developers. Very grateful for the help and will definitely be hiring again!
$400-$600
Price
6 days
Duration
Helpful?M 
motherofmacros
Repeat Client
United States
Another service completed by Sebastian. Very happy with outcome. Thank you
$200-$400
Price
6 days
Duration
Helpful?W watchandstrap
Repeat Client
United Kingdom
Great as always
$100-$200
Price
3 days
Duration
Helpful?M motherofmacros
Repeat Client
United States
Always exceeding my expectations. Thank you
$100-$200
Price
1 day
Duration
Helpful?
Reviews
134 reviews for this Gig
| (130) | ||
| (3) | ||
| (0) | ||
| (0) | ||
| (1) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
C cata1453
United Kingdom
⭐⭐⭐⭐⭐ Excellent experience working with Sebastian. He quickly identified and fixed a Shopify theme issue where all product pages were displaying the same content. The fix was implemented perfectly and tested across the store. Great communication, very professional, and fast delivery. Highly recommended for any Shopify work!
$50-$100
Price
1 day
Duration
Helpful?S sallykmcbride
Repeat Client
United States
Sebastian was exceptionally effective at this delivery: quick response time, made additional recommendations beyond what I'd requested, and helped me solve a tricky problem with my website that had vexed many other developers. Very grateful for the help and will definitely be hiring again!
$400-$600
Price
6 days
Duration
Helpful?M motherofmacros
Repeat Client
United States
Another service completed by Sebastian. Very happy with outcome. Thank you
$200-$400
Price
6 days
Duration
Helpful?W watchandstrap
Repeat Client
United Kingdom
Great as always
$100-$200
Price
3 days
Duration
Helpful?M motherofmacros
Repeat Client
United States
Always exceeding my expectations. Thank you
$100-$200
Price
1 day
Duration
Helpful?
