- interviewcake
- hiredintech - system design, soft skills, Algorithm Design
- lecloud blog - Scalability for Dummies
- lethain.com - Introduction to architecting systems for scale.
- tianpan.co - crack-the-system-design-interview
- highscalability.com - Scaling Pinterest - From 0 To 10s Of Billions Of Page Views A Month In Two Years
- OAuth 2.0 - OAuth 2.0 and OpenID Connect
- API Throwdown API Throwdown: RPC vs REST vs GraphQL
- How We've Scaled Dropbox
- System design