System Design Interview Questions

Designing Instagram : https://www.educative.io/collection/page/5668639101419520/5649050225344512/5673385510043648
Load Balancing : 
https://www.educative.io/collection/page/5668639101419520/5649050225344512/5747976207073280

https://github.com/tuliren/grokking-system-design

Grokking the System Design Interview

https://github.com/tuliren/grokking-system-design/tree/master/designs

Curated list of System Design interview questions for SDE-1 (Experienced),SDE-2 and above.
https://github.com/sid24rane/System-Design-Interview-Questions

Code review best practices
https://medium.com/palantir/code-review-best-practices-19e02780015f