We have done multiple sets of Salesforce commerce cloud projects like building from scratch, migrating, integrating with external apps, and so on for severe industries like Healthcare, Real Estate, and Retail.

We have evolved in the following features of e-commerce Salesforce:

1. We have capabilities in e-commerce integration that combine digital commerce, order management, store operations, and a unified commerce platform.

2. We have implemented a multi-tenant, cloud-based architecture, Commerce Cloud delivers scalability, reliability, and security.

3. Commerce cloud also integrates e-commerce of all relevant information in real-time stores, customers, interactions, promotions, orders, products, inventory, and pricing.

4. E-Commerce integration also connects in-store and mobile channels. And have capabilities for services such as transaction management and merchandising.

I have expertise in this:- 

• B2B Commerce Lightning Experience Accredited Professional
• Have good experience in Triggers, Batch Apex, Apex Classes, and writing SOQL and SOSL queries
• Experience in REST API to integrate external applications to Salesforce.
• Having good Experience with App exchange products Experience of working on production support

Below are a few case studies that may find your interest:

CASE STUDY1:- Integrate yours systems with Commerce Cloud

https://www.youtube.com/watch?v=ewSVLMCpCH0

CASE STUDY 2:- Commerce Cloud (Demandware) to Zinrelo API Integartion

https://youtu.be/eTEJ1komBtk

CASE STUDY 3:- Social  Login Integration with Salesforce B2C Commerce

https://youtu.be/Xt6OlrOQ4Mg

CASE STUDY 4:- Set-Up B2B Lightning Commerce Store

https://www.youtube.com/watch?v=u-5CRrEF4Lw

CASE STUDY 5:- Stripe Integration with Salesforce B2C Commerce

https://www.youtube.com/watch?v=aKSx7bRfYeg