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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 shopify, ebay API integration, product sync and ecommerce automation
API & Integrations
I will integrate dhl, fedex, usps, shipstation shipping and tracking API with shopify
Portfolio
Work experience
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API Integration Developer
Fiverr
Jan 2026 - Present • 7 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.
8 Reviews
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
1-5 out of 8 Reviews
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Most relevant
mark_p25
Repeat Client
Nigeria
Great experience working with Joevic again. He helped identify and fix an inventory sync issue between my Shopify and eBay stores and the work was completed on time, and everything is running smoothly now. Thank you. Would definitely work with him again.
Helpful?
fergus_anthony
Repeat Client
United States
Repeat buyer here, and once again Joevic delivered excellent work. He understood the issue immediately, fixed our shipping inventory sync problem, and kept me informed throughout the entire process. Everything is working perfectly now. Great communication, fast turnaround, and clearly knows his way around...
Helpful?
fergus_anthony
Repeat Client
United States
Great experience working with Joevic again. He already helped me with a Shopify/eBay sync issue before, and I came back because the previous experience was smooth. This time he reviewed my existing automation setup and helped identify areas where the workflow could be improved. Communication was excellent...
Helpful?
fergus_anthony
Repeat Client
United States
Exactly what we needed and delivered quickly. Joevic understood the issue, and fixed our Shopify/eBay sync perfectly. Will definitely work with him again!
Seller's Response
Helpful?
owen_mitchell9
Repeat Client
United States
Once again the experience was excellent. Joevic took the time to properly investigate the USPS international shipping issue, explained the problem clearly, and fixed the checkout rate inconsistency professionally. Communication throughout the project was smooth and detailed, with regular updates during...
Helpful?
