Pekka Enberg is a Finnish software engineer best known as a co-founder of ScyllaDB (a Cassandra-compatible distributed NoSQL database written in C++) and now Turso. His material focuses on the systems-engineering discipline of building low-latency software at scale.
His CourseFlix listing carries Latency — Reduce Delay in Software Systems. Material is paid and aimed at engineers working on performance-critical systems where end-to-end latency is a first-class engineering concern.