[01] · 2025
Marci Life
A daily companion for the small things.
in development
hello, world.
Karo Sahafi
Senior iOS & React Native Engineer at HelloFresh. I build mobile systems that hold up under scale.
Previously Staff iOS at Divar (53M+ users). I co-designed the server-driven UI framework, founded the Mobile Reliability Team, and scaled the iOS chapter.
// years coding
9+
// countries visited
12
// apps in flight
2/ life · money
// companies worked
4
// now.reading
full shelf →- readingThe nights are quiet in Tehran — Shida Bazyar55%
- readingThe origins of Totalitarianism — Hannah Arendt10%
- readingThe loser — Thomas Bernhard5%
[01] · 1994 → 2012 · sanandaj
Early life — School
Wrote my first code, studied math in the National Organization for Development of Exceptional Talents (NODET).
- sanandajtabriz
[02] · 2012 → 2016 · tabriz
Bachelor's — University of Tabriz
Studied Computer Science, graduated with a 3.9/4.0 GPA. Learned a lot about algorithms, and participated in and coached the ACM ICPC team during my bachelor's.
- tabriztehran
[03] · 2016 → 2018 · tehran
Master's — Sharif University of Technology
Studied Computer Science, worked on computational geometry. Secured rank 2 nationwide in Iran's Master's Entrance Exam for Computer Science to attend Sharif, the best university in Iran.
[04] · sep 2016 → dec 2017 · tehran
Jabiz Parda — first job, Android
Built an airport-taxi Android app. No architecture, no tests, lots of learning. Pain teaches faster than tutorials.
[05] · dec 2017 → sep 2018 · tehran
UPSYM — Android → iOS
Self-taught iOS via Stanford's "Developing Apps for iOS" + books. Shipped a multi-cryptocurrency wallet on iOS using MVVM–Coordinator, while also developing the same application for Android.
[06] · sep 2018 → apr 2023 · tehran
Divar — Senior → Chapter Lead → Staff iOS
Five years inside Iran's largest marketplace (53M+ users). Co-designed the server-driven UI framework, led mobile REST→gRPC migration, ran the iOS hiring pipeline (~80 interviewed, 10 hired), and founded the Mobile Reliability Team to build an in-house monitoring system for the mobile application.
- tehranberlin
[07] · jun 2023 → now · berlin
HelloFresh — Senior iOS & React Native
New country, new language (German, slowly). Started React Native last year alongside iOS coding. Led the client-side launch of the Loyalty Program for Factor, shaping cross-platform architectural decisions. Designed the Hub Builder abstraction to flexibly support multiple reward structures across brands, and optimized Loyalty screen performance, reducing frozen frames to 0.22%.
[02] · 2025
Marci Money
Personal finance for people who'd rather not think about it.
testflight soon
// now.reading
3 books in flight
- reading
The nights are quiet in Tehran
Shida Bazyar
55%
ch. 3 / 4
- reading
The origins of Totalitarianism
Hannah Arendt
10%
- reading
The loser
Thomas Bernhard
5%
p. 15
// shelf
Full shelf — computer science & everything else
~40 books · split by genre · one-line takes
// world.map
12 / 195
loading world.svg…
visitednow (Germany)home (Iran)
- 01
Iranhome - 02Türkiye
- 03Germanynow
- 04France
- 05Thailand
- 06Switzerland
- 07Netherlands
- 08Italy
- 09Czechia
- 10Hungary
- 11Croatia
- 12Slovenia
// stack
// languages
Kurdishmother tongue- Persiannative
- Englishprofessional
- Germanelementary · learning
Open to interesting conversations.
Not actively job-hunting — but always happy to talk about iOS reliability, server-driven UI, the move from Tehran to Berlin, or what makes a mobile team actually function.
// signature
[Placeholder signature. To be provided later.]
© 2026 · karo.bio
Next.js + Tailwind · made in Berlin