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I will develop redesign or custom code your shopify plus store or bug fix
Mostofa Tanim A
Vetted Pro
Level 2
5.0
5.0
Gig Summary
What people loved about this freelancer
skydogsocial
United States
Mostofa built SKYDOG SOCIAL an superb Shopify store that far exceeded our expectations. I highly recommend his services. He is a software engineer with deep understanding of code and design.
memu007
Finland
Absolutely outstanding experience from start to finish! He handled every single detail of the project with true professionalism and clearly knows his craft...
lyndadouangsava
United States
I had a great experience working with Mostofa! He did a phenomenal job updating my Shopify website and bringing my ideas to life. He was patient, professional,...
Vetted by Fiverr Pro
Mostofa Tanim A was selected by the Fiverr Pro team for their expertise.
About this gig
I'm a Senior Full Stack Developer & Shopify Expert with 14+ years of experience creating high-performing, scalable, and fully optimized Shopify & Shopify Plus stores.
I can fix any bugs, customize themes, develop advanced features, optimize speed, integrate apps and many more to make your store run flawlessly and boost conversions.
Services Include:
- Shopify & Shopify Plus theme custom coding and design enhancements
- Custom headers, footers, sections, and page layouts
- Liquid, HTML, CSS, JavaScript, and jQuery Code troubleshooting
- Product, collection, and category page optimization or redesign
- App installation and third-party integrations problem fixes
- Mobile and desktop responsiveness improvements or bug fixes
- Speed, security, and performance optimization
- Custom Feature Implementation
- Metafield or Metaobject custom implementation
- Custom reusable sections
- Speed Optimization and Bug Fixes
- Meta SEO and SEO optimization
- Redirection or Affiliate links creation with UTM Param
- Figma to UI or custom UI design
- Custom Product Template, Photo Upload Feature
- Webhooks, Shopify API, GraphQL
Contact me with your project details, and I'll provide professional services for you.
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 Mostofa Tanim A
Mostofa Tanim A
Vetted Pro
Shopify Engineer and Full Stack Dev
Level 2
Mostofa Tanim A 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 Maintenance
- FromBangladesh
- Member sinceJun 2017
- Avg. response time1 hour
- Last delivery3 weeks
Languages
English, Spanish
Senior Software Engineer with 14+ years building scalable web platforms, custom Shopify Plus storefronts, and headless commerce systems. I architect complex theme logic, advanced storefront data models, custom Shopify apps (public and private), and Hydrogen-based headless builds backed by the Storefront and Admin APIs. My stack includes Next.js, React, TypeScript, Node.js, Turborepo, Python, PHP, and MySQL.
I design robust GraphQL and REST APIs, improve performance at scale, and deliver features that add real value to the product or stores.
Knock me for anything!
My Portfolio
Other Website Maintenance Services I Offer
FAQ
Can you customize my Shopify theme without affecting future updates?
Yes. I ensure all customizations are coded in a structured, update-friendly manner. Wherever possible, I create custom sections, snippets, or app-based solutions so your theme can still receive updates without breaking functionality.
How do you approach speed and performance optimization for Shopify stores?
I run a full performance audit to identify bottlenecks such as unused code, large image files, and third-party scripts. Then I optimize Liquid, JavaScript, CSS, and images, while leveraging best practices like lazy loading, caching, and minimizing render-blocking resources. This ensures faster loadi
Do you offer ongoing maintenance and support after project completion?
Yes. I provide ongoing support packages for bug fixes, store updates, app integrations, and performance monitoring. This ensures your Shopify or Shopify Plus store continues running smoothly and stays optimized as your business grows.
Can you write codes?
Yes I'm a software engineer and specialized in writing codes, just tell me what you need, I will do it for you.
Reviews
72 reviews for this Gig
| (70) | ||
| (2) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
S 
skydogsocial
United States
Ongoing collaborationMostofa built SKYDOG SOCIAL an superb Shopify store that far exceeded our expectations. I highly recommend his services. He is a software engineer with deep understanding of code and design.
$100-$200
Price
1 day
Duration
A 
Seller's Response
Helpful?M memu007
Finland
Absolutely outstanding experience from start to finish! He handled every single detail of the project with true professionalism and clearly knows his craft inside and out. Any revisions or issues I raised were fixed quickly and perfectly, no back-and-forth needed. Delivery was right on time, and his...
$400-$600
Price
1 day
Duration
A Seller's Response
Helpful?L lyndadouangsava
United States
Ongoing collaborationI had a great experience working with Mostofa! He did a phenomenal job updating my Shopify website and bringing my ideas to life. He was patient, professional, and willing to work with me to make sure everything was done the way I wanted. He also took the time to walk me through the changes and offered...
$50-$100
Price
1 day
Duration
Helpful?S skydogsocial
United States
Ongoing collaborationOutstanding work. Partners for life.
$1,000-$2,500
Price
5 days
Duration
A Seller's Response
Helpful?C 
cjamme71
United Kingdom
I will use Mostofa all the time now, he is part of the team
$100-$200
Price
1 day
Duration
A Seller's Response
Helpful?
Reviews
72 reviews for this Gig
| (70) | ||
| (2) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
S skydogsocial
United States
Ongoing collaborationMostofa built SKYDOG SOCIAL an superb Shopify store that far exceeded our expectations. I highly recommend his services. He is a software engineer with deep understanding of code and design.
$100-$200
Price
1 day
Duration
A Seller's Response
Helpful?M memu007
Finland
Absolutely outstanding experience from start to finish! He handled every single detail of the project with true professionalism and clearly knows his craft inside and out. Any revisions or issues I raised were fixed quickly and perfectly, no back-and-forth needed. Delivery was right on time, and his...
$400-$600
Price
1 day
Duration
A Seller's Response
Helpful?L lyndadouangsava
United States
Ongoing collaborationI had a great experience working with Mostofa! He did a phenomenal job updating my Shopify website and bringing my ideas to life. He was patient, professional, and willing to work with me to make sure everything was done the way I wanted. He also took the time to walk me through the changes and offered...
$50-$100
Price
1 day
Duration
Helpful?S skydogsocial
United States
Ongoing collaborationOutstanding work. Partners for life.
$1,000-$2,500
Price
5 days
Duration
A Seller's Response
Helpful?C cjamme71
United Kingdom
I will use Mostofa all the time now, he is part of the team
$100-$200
Price
1 day
Duration
A Seller's Response
Helpful?
