Design scalable, reliable systems that handle millions of users
System design separates mid-level from staff engineers, commanding 40-200k salary premiums. Juniors start with single-service architecture basics (6-12 months), midlevels master distributed systems (2-3 years), seniors architect global-scale infrastructure. Core tools include databases, load balancers, message queues, caching layers. Certified architects earn 180-280k+ (USA). Time investment 18-36 months to competence.
System Design is the skill of architecting software systems that scale, perform reliably, and can be maintained over time. This is one of the highest-paying skills in tech, senior+ engineers with strong system design command $200k-$500k+. - Separates senior engineers from junior/mid
| Wilayah | Junior | Menengah | Senior |
|---|---|---|---|
| 0 | $95k | $155k | $230k |
| 1 | Β£70k | Β£115k | Β£170k |
| 2 | β¬65k | β¬105k | β¬155k |
| 3 | C$110k | C$175k | C$260k |
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