Company tracks
Every company has its own rubric, its own favorite problems, and its own preferred delivery style. Skip the generic advice; go straight to what your target company actually grades.
Meta
2 rounds · 45 min each
Open with the product story: 'so a user opens Instagram, taps stories…' Ground everything in a user flow.
OpenAmazon
2 rounds · 60 min each
State a customer scenario in the first minute. 'A customer with 1M items needs sub-100ms search' hits the customer-obsession note.
Open2 rounds · 45 min each
Be precise. 'Eventually consistent within 100ms' beats 'eventually consistent'.
OpenNetflix
2 rounds · 60 min each
Assume regions can fail and plan for it in the first 10 minutes.
OpenUber
2 rounds · 45 min each
Ground the design in a rider journey — 'so a user opens the app, taps request…'
OpenMicrosoft
2 rounds · 45 min each
Think enterprise-first: multi-tenant, compliance, isolation.
OpenStripe
2 rounds · 45 min each
Say 'idempotent' in the first 5 minutes.
OpenCloudflare
2 rounds · 45 min each
Assume Anycast + every PoP has the code — don't design around a central origin.
Open