Amazon RDS is the only service we use to launch and maintain MySQL compatible instances and clusters.
Almost of our clients offer to their customers PayPal integration in their e-commerce sites.
Kibana is our tools to query data in Elasticsearch clusters set up as catalog search engine.
We use MariaDB in every AWS infrastructure as a cost-optimized solution comparing to AWS RDS Aurora.
Amazon SES is the email service we commonly use in clous AWS e-commerce infrastructure.
From Magento 2.3 GraphQL is provider by a core implementation, this is used to implement PWA frontend.
We're progressively migrating from classic ELB to newer ALB for ssl offloading and NLB for internal load balancing.
Varnish is the http cache proxy we use to achieve maximum performance on high traffic e-commerce.
We developed our ERP with Symfony, then we use this framework and its components in e-commerce customization.