Technical Interview
System design rounds that push you to staff level
Whiteboard scalable architectures, defend your trade-offs, and get graded on the exact signals senior interviewers look for.
60+
Design prompts
8
Engineering tracks
L3–L6
Level calibration
Real architecture prompts
Design rate limiters, feeds, and payment systems under pressure.
Trade-off analysis
Get challenged on consistency, latency, and cost like the real thing.
Domain deep-dives
Backend, ML, data, mobile, and DevOps tracks with tailored questions.
Seniority calibration
Benchmarked against junior, senior, and staff expectations.
Start in under a minute
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