Browse categories
Explore
Fiverr Pro
English
$
USD
I will develop redesign or custom code your shopify store, shopify plus expert
Mostofa Tanim A
Vetted Pro
Level 2
5.0
5.0
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
Senior Shopify Plus and Software Engineer
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 deliveryabout 23 hours
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
63 reviews for this Gig
| (61) | ||
| (2) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
D davidcope868
United Kingdom
I’ve really enjoyed working with Mostofa. His professionalism, communication, and the quality of his work have been consistently excellent throughout the project. He’s reliable, easy to collaborate with, and delivers to a high standard, which made the whole process smooth and straightforward.
$800-$1,000
Price
8 days
Duration
A 
Seller's Response
Helpful?M matealavelle
United States
great job thanks so much!
$50-$100
Price
3 days
Duration
A Seller's Response
Helpful?N nathanadams9595
Ireland
amazing to deal with was very helpful and quick
$200-$400
Price
1 day
Duration
A Seller's Response
Helpful?L lisamarshall2
Repeat Client
United States
quick and great work
$50-$100
Price
1 day
Duration
A Seller's Response
Helpful?L laurenvl
United Kingdom
Mostofa completed the work very efficiently, finishing everything within approximately two hours. Communication was good throughout, and he implemented the key features I needed, allowing me to easily operate, navigate, and manage the site independently.
$100-$200
Price
1 day
Duration
A Seller's Response
Helpful?
Reviews
63 reviews for this Gig
| (61) | ||
| (2) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
D davidcope868
United Kingdom
I’ve really enjoyed working with Mostofa. His professionalism, communication, and the quality of his work have been consistently excellent throughout the project. He’s reliable, easy to collaborate with, and delivers to a high standard, which made the whole process smooth and straightforward.
$800-$1,000
Price
8 days
Duration
A Seller's Response
Helpful?M matealavelle
United States
great job thanks so much!
$50-$100
Price
3 days
Duration
A Seller's Response
Helpful?N nathanadams9595
Ireland
amazing to deal with was very helpful and quick
$200-$400
Price
1 day
Duration
A Seller's Response
Helpful?L lisamarshall2
Repeat Client
United States
quick and great work
$50-$100
Price
1 day
Duration
A Seller's Response
Helpful?L laurenvl
United Kingdom
Mostofa completed the work very efficiently, finishing everything within approximately two hours. Communication was good throughout, and he implemented the key features I needed, allowing me to easily operate, navigate, and manage the site independently.
$100-$200
Price
1 day
Duration
A Seller's Response
Helpful?
