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CASE STUDY
Two-factor authentication for a buyback service app
In a buyback service iOS app, I introduced two-factor authentication and updated the password policy.
These screens are fictional images made with AI. They are not the actual product.
- Period
- 2022–2025
- Organization
- A software development agency in Okinawa
- Role
- iOS Engineer
- Area
- iOS
For an agency client, I built new features for a buyback service iOS app, making sign-in more secure with UIKit and RxSwift.
Two-factor authentication
I introduced two-factor authentication for sign-in.
Password policy update
I updated the password requirements to follow the new policy.
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