u/nulless

A practical backend engineering roadmap with interactive explainers and visualizations.

Topics include networking, HTTP, databases, queues, caching, distributed systems, and real-world outages.

Feedback welcome.

https://semicolony.dev/roadmap/

Includes:

• DNS
• HTTPS (TLS handshake)
• caching + CDNs
• load balancing

Much easier to follow than static docs.

https://toolkit.whysonil.dev/how-it-works/