Browse categories
Explore
Fiverr Pro
English
$
USD
Joevic Elvis
@joevicbnss
Backend API And Ecommerce Integration Expert
United States
English, German
About me
I’m a Backend & API Integration Specialist focused on building and fixing high performance eCommerce systems. I solve broken payment flows, failed API integrations, and automation issues across platforms.
Expertise: Stripe API, Stripe Connect, PayPal integration, Shopify, WooCommerce, REST APIs, webhooks, shipping APIs (DHL, FedEx, USPS, ShipStation), Node.js, PHP, Laravel, JavaScript, JSON/XML APIs.
I handle Zapier, Make.com, Firebase, OAuth and ensure production ready, scalable systems that sync reliably under real traffic.
Available for API fixes, integrations, and backend development.
Skills
Joevic Elvis
Offline •
Average response time: 1 hour
See my services
Automations & Agents
I will build ebay api shopify api integration, automate ecommerce store, product sync
API & Integrations
I will integrate dhl, fedex, usps, shipstation shipping and tracking API with shopify
Portfolio
Work experience
API Integration Developer
Fiverr
Jan 2026 - Present • 4 mos
Worked on custom API integration and ecommerce automation projects for online businesses and logistics systems. Responsibilities included Shopify API integration, shipping and tracking API setup, webhook automation, CRM systems, and backend workflow optimization. Integrated carriers such as DHL, FedEx, USPS, and ShipStation to support real-time shipping rates, order sync, and delivery tracking. Also developed custom workflows for ecommerce stores, lead management systems, and automation tools. Focused on scalable solutions, clean integrations, and improving operational efficiency for clients using Shopify, WooCommerce, Wix, and custom web applications.
3 Reviews
| (3) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
1-3 out of 3 Reviews
Sort By
Most relevant
olivia_turner9
United Kingdom
Excellent experience working with Joevic. He quickly identified the Stripe webhook issue and fixed the backend payment flow professionally. Communication was clear throughout the project, and he kept me updated during the debugging process. Everything is now working correctly and payments are updating...
Helpful?
owen_mitchell9
United States
Excellent experience. He quickly identified the issue with my ShipStation and Shopify tracking integration and fixed it faster than expected. Communication was clear, updates were consistent, and everything now works perfectly. Highly recommend for API troubleshooting and shipping integrations.
Helpful?
mark_p25
United Kingdom
Great experience working with this Joevic. He understands Shopify eBay variant sync issue and explained everything clearly. The fix was done fast, tested properly. Communication was smooth throughout. Highly recommend!
Helpful?
