




Every bank.





BI Group · 2025 · sole designer
Apply for a mortgage at every bank in one go.
Buyers who abandoned the application fell from 1 in 3 to 1 in 10, and funded transactions rose 35% in the first 28 days.
- Website
- FinTech
- B2C
I'm Mustafa, a senior product designer at BI Group in Astana.
I design the company's website, where people choose a flat, buy it online and apply for a mortgage, and I run experiments with its growth team. On the side I co‑founded , a screen time app for iPhone.
Five years · PropTech, FinTech, EdTech, SaaS
Open to remote and relocation · English C1










BI Group · 2025 · sole designer
Buyers who abandoned the application fell from 1 in 3 to 1 in 10, and funded transactions rose 35% in the first 28 days.

BI Group · 2025 · research and design
People found the flat faster than in the unit grid. Agents on the grid preferred the grid; a month after launch, the same six agents said the plan saves time with clients.

Sero · 2026 · co-founder
I co-founded it and lead product and design. About 400 people open it every day.
BI Group · 2026 · design and build
It replaces the team's Trello board of 1,432 cards. I designed it and built it with AI.
overall on the Kazakhstan App Store. Held it for 3‑4 days.
App Store charts, Kazakhstan · overall, all categories
people open Sero every day.
App Store Connect