You’ll join the Sell Online Tribe, the group shaping how merchants bring their businesses to life online. We design and build tools that help millions of entrepreneurs, from barbers to bakers, sell their products and services anywhere. Our focus is on Online Store and Bookings, two products at the heart of SumUp’s ecosystem. Together, they give merchants the power to manage appointments, showcase their offerings, and get paid—all from their phones.
We’re a cross-functional team of Product Managers, Designers, and Engineers who move fast, collaborate openly, and care deeply about crafting beautiful, performant mobile experiences. As part of this team, you’ll help us expand into new verticals, close the gap between web and mobile, and make digital selling effortless for small businesses everywhere.
responsibilities :
Build and scale new features for the Bookings and Online Store Android apps using Kotlin and Jetpack Compose
Review and improve existing code to ensure performance, maintainability, and testability
Collaborate with cross-functional teams (PMs, Designers, QA, and fellow Engineers) to deliver quality features on time
Take part in code reviews, contribute to CI/CD improvements, and maintain technical standards
Help close feature gaps with our web platform to achieve mobile parity for small merchants
requirements-expected :
You have 5+ years of professional experience in Android development
You’re fluent in Kotlin and familiar with MVVM/MVI architectures, Dependency Injection, and Modularization
You write clean, testable, and maintainable code and understand what to test and why
You’re proactive, collaborative, and comfortable working across multiple squads when priorities shift
You’re fluent in English, both written and spoken, and communicate clearly
You care deeply about creating products that deliver real value to small merchants
offered :
Opportunity to work , from our vibrant Warsaw office with inspiring art-filled lounges and a skyline terrace in the Mennica Legacy Tower.
Commitment to Diversity and Inclusion: be part of a workplace that values and promotes diversity, fostering an inclusive environment where everyones perspectives are respected and embraced
Enrolment onto our VSOP program: you will own a stake in SumUp’s future success
Fitness support: work out on-site at our gym or explore the city using the Multisport Card, subsidised by SumUp for access to sports facilities across Warsaw
Commitment to well-being: access health insurance coverage for you and your family, plus life insurance to further protect your peace of mind
PPK (Employee Capital Plan): grow your savings with joint contributions from SumUp and the State.
Generous time off: enjoy 26 days of paid leave plus public holidays and special leave days ? Break4me: 1-month sabbatical after 3 years of service
Referral Bonus: earn additional rewards by referring talented individuals to join the SumUp team
benefits :
sharing the costs of sports activities
private medical care
sharing the costs of professional training & courses
life insurance
integration events
corporate library
no dress code
coffee / tea
VSOP program
Break4me: 1-month sabbatical after 3 years of service
