Back To Back SWE (backtobackswe.com) is a US technical-interview-preparation platform run by Benyam Ephrem — a former software engineer who turned the algorithm / data-structure-interview-prep work into a focused paid course catalog. The platform is widely cited for the depth of its visual algorithm explanations on YouTube alongside the paid coding-interview class.
Its CourseFlix listing carries the Coding Interview Class (Back To Back SWE) — a comprehensive curriculum covering the algorithm and data-structure question categories that gate engineering roles at large tech companies.
Material is paid and aimed at engineers preparing for technical interviews. For broader content, see CourseFlix's Preparing for an interview category page.