Android Engineer - Design System

As an Android Engineer in the Design System team, you will translate SumUp’s design language into an easy-to-use, reusable library of user interface components and experience patterns, enabling product teams to build cohesive and accessible user experiences.

The Design System team is expanding to cover SumUp’s growing ecosystem of merchant and consumer-facing products. This role offers a unique opportunity to optimize and expand a system that helps developers build features faster and deliver high-quality experiences to millions of users worldwide.

What You'll Do

Shape the core experience of users and developers interacting with SumUp’s Android ecosystem.

Work closely with the product and design team to build components that are maintainable, usable, beautiful and consistent.

Embed accessibility best practices into every component (content descriptions, touch target size, color contrast, font scaling).

Implement dynamic theming support (light/dark mode, brand variations) that can be switched at runtime or via configuration.

Provide hands-on technical support to product teams to deliver company priorities, such as the upcoming brand refresh.

Review code contributions, enforce design‑system conventions, and guide engineers on best practices for reusable UI development.

Identify and address tech debt proactively to ensure a high bar for engineering excellence and codebase health.

What We're Looking For

You have 3+ years of professional Android development experience, with expertise in Kotlin and modern Android frameworks.

You have 2+ years of experience working with Jetpack Compose.

You strive for clean code, and are flexible to balance pragmatism and perfection.

You have a strong grasp of testing best practices: knowing what to test, why, and how to write resilient tests.

You have a strong eye for detail and are committed to accessibility.

You are self-motivated, have a clearly structured working style, and possess good verbal and written English comm