Free access gives you the foundation. Pro unlocks the evaluator layer.
Built for engineers targeting L6–L7 roles.
Foundational Calibration
No credit card required.
Full Staff Calibration
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Yes. Cancel anytime from your profile. You keep access through the end of your billing period.
No. The free tier gives you full access to three core playbooks so you can evaluate the depth before subscribing.
No. StaffSignal assumes you can already design systems. It focuses on the evaluation criteria that separate Senior from Staff.
Calibration depth you can't find on YouTube, LeetCode, or free blogs. Evaluator-grade breakdowns, structured drills, and mock interviews — all designed for the L6/L7 bar.