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I will your wordpress buddy fixer
Koustab
About this gig
Professional Websites that Convert & Perform
Hi! Im Koustab Kumar, a Senior WordPress & CMS Developer with 7+ years of experience delivering 300+ websites, plugins, and SaaS integrations for businesses worldwide.
I specialize in building modern, secure, and high-performing websites across platforms like WordPress, Shopify, Wix, HubSpot, and Zoho with advanced features like payment gateway setup, API integration, and custom animations.
What I Can Do For You:
- Custom WordPress Websites (themes, plugins, WooCommerce)
- Shopify Store Development & Customization
- Wix (business sites, e-commerce, landing pages)
- Payment Gateway Integration (Stripe, PayPal, Razorpay, Authorize.Net, WooCommerce Payments)
- API Integrations (CRM, SaaS, third-party APIs, HubSpot, Zoho)
- GSAP Animated for modern, interactive UI/UX
- SEO Optimization (meta tags, schema, speed optimization)
Why Choose Me?
- 7+ years of professional development experience
- 300+ projects completed for global clients
- Expertise across multiple CMS and SaaS platforms
- Secure, scalable, and optimized websites
- Ongoing support after delivery
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 Koustab
Koustab
WEB DEVELOPER AND JAVASCRIPT PROGRAMER
- FromIndia
- Member sinceJan 2020
- Last delivery3 years
Languages
English
I design and build high-performance E-commerce and Dropshipping stores on Shopify and WordPress (WooCommerce). From clean, conversion-focused website design to data-driven E-commerce marketing, I create online stores that attract visitors and turn them into loyal customers. I also implement secure payment gateway integration and robust API services (third-party integrations, custom REST/GraphQL endpoints, webhooks) so your store connects seamlessly with shipping, CRM, ERP, analytics, and payment providers.
Whether you need a brand-new Shopify or WooCommerce store, migration, performance optim
FAQ
Can you integrate my CRM (HubSpot, Zoho, etc.) with my website?
Yes! I specialize in CRM and API integrations to connect your website with third-party platforms.
Will my website be mobile-friendly and SEO optimized?
100%. All my websites are responsive, SEO-ready, and performance optimized.
Can you set up an e-commerce store with payment gateways?
Yes, I can integrate Stripe, PayPal, Razorpay, Authorize.Net, and WooCommerce Payments securely.
Do you provide custom plugin or theme development and Bug Fix Service
Absolutely. I can build custom plugins, themes, and features tailored to your needs.
