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Senior Android Engineer - KMP

Berlin💼 Full-time💰 $226,200–$355,920🗓 2026-07-13 → 2026-07-31

Core

Building new features and improving the architecture of the SumUp SuperApp (POS solution) using Kotlin Multiplatform (KMP) to enable shared development across Android and iOS.

Role type

Senior Android Engineer (Kotlin Multiplatform)

Builds

The SumUp SuperApp (POS solution) for cafes, shops, bars, and salons

Domain

Fintech / Point-of-Sale

Deliverable

production ML models | product features

Required skills

Android development, Kotlin, Jetpack Compose, software design patterns (MVVM, MVI), reactive programming (Flow, Coroutines), unit testing, Kotlin Multiplatform

Preferred skills

Experience with modular and scalable app architectures, clean code practices

Technologies

Kotlin, Jetpack Compose, Flow, Coroutines, Kotlin Multiplatform

Responsibilities

Build new features for the item catalog within the SumUp SuperApp, Help improve the architecture of the application and contribute to the Kotlin Multiplatform strategy, Enhance and maintain the unified Android app distributed across 60+ countries, Write thorough documentation and implement robust testing for features before shipping, Collaborate with Designers, Product Managers, and Android engineers to deliver a unified UX experience

Seniority

Senior, hands-on IC

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