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Most engineers jump to tools.Good engineers start with trade-offs.
When designing a system, I ask:
1. What is the scale?
2. What can fail?
3. What consistency is required?
4. What can be async?
Only after that:
→ DB choice
→ Kafka / queues
→ APIs
Because every system is a balance:
• Consistency vs Availability
• Latency vs Throughput
• Simplicity vs Flexibility
There is no perfect design.
Only ππ²πΉπΉ-ππ»π±π²πΏπππΌπΌπ± π°πΌπΊπ½πΏπΌπΊπΆππ²π.
If you can explain your trade-offs clearly,
you already think like a senior engineer.