03Mobile app with 400,000+ users

Turnstile.

A production Flutter app for flows that must not fail.

Client and product name under NDA — everything below is the shareable scope

Role

Lead Flutter Developer

Period

2024 — present

Status

In production

03.1

What it is

The analytics and observability layer shows real usage and crashes across the whole fleet. Inside: feature-first clean architecture, BLoC/Cubit, Retrofit + Dio.

Fig.

The system, drawn

Product flows isolated in feature modules, with an observability layer watching the whole fleet.

Stack

FlutterBLoC / CubitRetrofit + DioFirebaseSentry

Want the unabridged version — ask the agent or ask Isfan.