20 Nov 2025
Mavi Kargo
Rethinking the one screen couriers look at all day.
- Role
- Product designer
- Timeline
- 4 months
- Team
- 2 engineers, me
- Platform
- Android
Problem
Couriers needed an interface they could use in sunlight, one-handed, while walking.

Solution
We designed a high-contrast delivery screen with large touch targets and voice confirmation, field-tested directly with couriers.

Impact
Average handling time per delivery dropped by 22%.

Alper Okur
Open to freelance work, full-time roles and interesting conversations about hard design problems.