Privacy Policy
Effective date: February 4, 2026
This Privacy Policy applies to System Design Interview, operated by LeetSystemDesign.
Information We Collect
We collect account information (such as email and username), usage data (such as questions and responses), and billing metadata needed to provide the service.
How We Use Information
We use your information to provide the service, improve the product, process payments, and communicate with you.
Payments
Payments are handled by our payment provider. We do not store full card details.
Data Retention
We retain data as long as your account is active or as needed to provide the service, comply with legal obligations, or resolve disputes.
Your Rights
You can request access, correction, or deletion of your data by contacting support at hello@leetsystemdesign.com.
Contact
For privacy questions, contact hello@leetsystemdesign.com.