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Kiezpass app: login, partner profile with deals, deal booking

Kiezpass

A marketplace for restaurant and bar deals in Berlin – my own company, sold in 2025.

Role
Co-founder & CTO
Period
2024–2025
Stack
Flutter (Android/iOS/Web), Firebase
Store rating
4/5
Note
Company sold in 2025

Starting point

Two audiences had to be served at once: end users discovering and redeeming deals in their neighbourhood, and hospitality partners managing offers and campaigns themselves. A single developer had to be able to build and run both.

What I did

Product, design, architecture, development and release. The iOS and Android app and the web-based partner CMS come from one Flutter codebase; the backend runs serverless on Firebase (Cloud Functions, Firestore). Plus store setup, CI/CD and the landing page.

Result

Live in both stores, pilot with dozens of Berlin restaurants and bars, store rating 4/5. The company was sold in 2025.

Stack

Flutter, Dart, Firebase (Auth, Firestore, Cloud Functions, Storage), Figma, Codemagic