Warsaw, Poland Remote (Global) Full-time

SumUp is hiring a Senior Android Engineer - KMP

Responsibilities

  • Design and build advanced Android applications using Kotlin and KMP.
  • Collaborate with product managers, designers, and engineers to define, design, and ship new features.
  • Ensure the performance, quality, and responsiveness of applications.
  • Write clean, maintainable, and testable code.
  • Stay up to date with the latest industry trends and incorporate best practices into our development process.
  • Mentor junior engineers and contribute to team knowledge sharing.

Requirements

  • Proven experience as an Android Developer, with a strong portfolio of shipped apps.
  • Expertise in Kotlin and Android SDK.
  • Solid understanding of the full mobile development lifecycle.
  • Familiarity with RESTful APIs, asynchronous programming, and mobile UI/UX best practices.
  • Experience with testing frameworks and CI/CD pipelines.
  • Strong problem-solving skills and attention to detail.
  • Excellent communication and teamwork skills.

Nice to Have

  • Experience with Kotlin Multiplatform (KMP) is highly preferred.
  • Experience with Jetpack Compose.
  • Knowledge of mobile security best practices.
  • Open-source contributions.

Work Arrangement

Remote (Worldwide)

Required Skills
KotlinRESTful APIJetpack Compose
About company
SumUp

SumUp is a financial technology company that provides payment solutions for small and medium-sized businesses. From taking payments and processing orders to customer acquisition and managing finances, SumUp offers a range of tools designed to help businesses grow.

The company offers smart POS systems, card readers, invoicing, and financial management tools. With SumUp, businesses can accept payments in-person, online, or manually, all through a single platform. Over 4 million businesses worldwide have chosen SumUp as their payment partner.

SumUp also provides additional features like loyalty programs, gift cards, and business analytics through its ecosystem of products. The platform is designed to be user-friendly, with transparent pricing and no hidden fees, making it accessible for businesses of all types—from coffee shops and boutiques to salons and enterprise operations.

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Job Details
Department Android
Category Mobile
Posted 7 days ago