Senior Android Engineer - KMP

&lt;p&gt;&lt;strong&gt;About the team&lt;/strong&gt;&lt;/p&gt; &lt;p&gt;SumUp’s Point-of-Sale (POS) solution empowers cafes, shops, bars, hair salons, and other businesses to operate efficiently and grow. It offers a wide range of features, including product catalogs, inventory management, business analytics, compliance support, and loyalty tools.&lt;/p&gt; &lt;p&gt;Our POS solution integrates seamlessly into the SumUp SuperApp, which supports both our proprietary register hardware and mobile devices like tablets and phones.&lt;/p&gt; &lt;p&gt;As a &lt;strong&gt;Senior Android Developer&lt;/strong&gt;, you’ll collaborate with a dynamic, cross-functional team of Product Managers, Product Designers, Engineering Managers, and fellow engineers.&lt;/p&gt; &lt;p&gt;&lt;strong&gt;About the role&lt;/strong&gt;&lt;/p&gt; &lt;p&gt;We’re evolving toward a Kotlin Multiplatform (KMP) strategy, enabling shared development across Android and iOS. In this role, you’ll learn, refine, and help implement this technology, shaping the future of our mobile apps.&lt;/p&gt; &lt;p&gt;You’re a developer who values user-centric design, precision, and seamless collaboration. You bring structure to communication and thrive in a cross-functional environment.&amp;nbsp;&lt;/p&gt; &lt;p&gt;This role is on-site in Berlin, where face-to-face interactions spark innovation and teamwork.&lt;/p&gt; &lt;p&gt;&lt;strong&gt;What you’ll do&lt;/strong&gt;&lt;/p&gt; &lt;ul&gt; &lt;li&gt;Build new features for the item catalog within the SumUp SuperApp&lt;/li&gt; &lt;li&gt;Help improve the architecture of the application and contribute to our Kotlin Multiplatform strategy&lt;/li&gt; &lt;li&gt;Enhance and maintain our unified android app, distributed across 60+ countries, ensuring high-quality, scalable solutions&lt;/li&gt; &lt;li&gt;Shape the product’s evolution by identifying opportunities for improvement and contributing to daily decision-making&lt;/li&gt; &lt;li&gt;Write thorough documentation and implement robust testing for features before shipping&lt;/li&gt; &lt;li&gt;Collaborate closely with Designer, Product Manager and Android engineers to deliver a unified UX experience across platforms&lt;/li&gt; &lt;li&gt;Coach and mentor other engineers&lt;/li&gt; &lt;/ul&gt; &lt;p&gt;&lt;strong&gt;You’ll thrive in this role if:&lt;/strong&gt;&lt;/p&gt; &lt;ul&gt; &lt;li&gt;You have&amp;nbsp;&lt;strong&gt;8&lt;/strong&gt;&lt;strong&gt;+ years experience &lt;/strong&gt;in mobile engineering with &lt;strong&gt;Android and Kotlin.&lt;/strong&gt;&lt;/li&gt; &lt;li&gt;You have &lt;strong&gt;2+ years of experience&lt;/strong&gt; working with &lt;strong&gt;Jetpack Compose.&lt;/strong&gt;&lt;/li&gt; &lt;li&gt;You have a &lt;strong&gt;solid understanding of software design patterns&lt;/strong&gt; (e.g., MVVM, MVI) and expertise in building modular, scalable app architectures.&lt;/li&gt; &lt;li&gt;You have&lt;strong&gt; good knowledge of reactive programming &lt;/strong&gt;(Flow, Coroutines and Concurrency).&lt;/li&gt; &lt;li&gt;You have a &lt;strong&gt;strong grasp of testing &lt;/strong&gt;best practices: knowing what to test, why, and how to write resilient tests.&lt;/li&gt; &lt;li&gt;You &lt;strong&gt;strive for clean code,&lt;/strong&gt; and you are flexible to &lt;strong&gt;balance pragmatism and perfection.&lt;/strong&gt;&lt;/li&gt; &lt;li&gt;You have a &lt;strong&gt;keen interest &lt;/strong&gt;in multi-platform development using&lt;strong&gt; Kotlin Multiplatform.&lt;/strong&gt;&lt;/li&gt; &lt;/ul&gt; &lt;p&gt;&lt;strong&gt;Why you should join SumUp&lt;/strong&gt;&lt;/p&gt; &lt;ul&gt; &lt;li&gt; &lt;p class=&quot;cui-body-o5xe cui-body-m-mwmz cui-body-regular-hd7o cui-body-normal-pvqj css-k4eprn&quot;&gt;Be part of a company that values diversity and celebrates unique perspectives.&lt;/p&gt; &lt;/li&gt; &lt;li&gt; &lt;p class=&quot;cui-body-o5xe cui-body-m-mwmz cui-body-regular-hd7o cui-body-normal-pvqj css-k4eprn&quot;&gt;Work with a global team of skilled professionals in an environment that fosters collaboration, learning, and growth.&lt;/p&gt; &lt;/li&gt; &lt;li&gt; &lt;p class=&quot;cui-body-o5xe cui-body-m-mwmz cui-body-regular-hd7o cui-body-normal-pvqj css-k4eprn&quot;&gt;Be part of a global tribe building a banking solution from the ground up and delivering impactful solutions to the real-life problems of millions of SumUp merchants all over the world&lt;/p&gt; &lt;/li&gt; &lt;li&gt; &lt;p class=&quot;cui-body-o5xe cui-body-m-mwmz cui-body-regular-hd7o cui-body-normal-pvqj css-k4eprn&quot;&gt;Career growth and learning opportunities: We invest in your development through regular training, mentorship programs, SumUp University leadership cohort and a yearly learning budget (2,000 EUR)&lt;/p&gt; &lt;/li&gt; &lt;li&gt;28 days paid leave + 1 for birthday&lt;/li&gt; &lt;li&gt; &lt;p class=&quot;cui-body-o5xe cui-body-m-mwmz cui-body-regular-hd7o cui-body-normal-pvqj css-k4eprn&quot;&gt;Sabbatical program for tenured SumUppers&lt;/p&gt; &lt;/li&gt; &lt;li&gt; &lt;p class=&quot;cui-body-o5xe cui-body-m-mwmz cui-body-regular-hd7o cui-body-normal-pvqj css-k4eprn&quot;&gt;Join a global team where you belong: Check out our&amp;nbsp;&lt;a class=&quot;cui-body-o5xe cui-body-m-mwmz cui-body-regular-hd7o cui-body-normal-pvqj cui-anchor-xoc6 cui-focus-visible-y4xg css-k1irjw e7pj9ac0&quot; href=&quot;https://www.sumup.com/careers/diversity/?gh_jid=7530612002&quot;&gt;D&amp;amp;I Initiatives and Employee Resource Groups&lt;/a&gt;&amp;nbsp;such as Pride Club, SumAfro, Neurodiversity, Grupos Mais, Women in Tech, and more&lt;/p&gt; &lt;/li&gt; &lt;li&gt; &lt;p class=&quot;cui-body-o5xe cui-body-m-mwmz cui-body-regular-hd7o cui-body-normal-pvqj css-k4eprn&quot;&gt;Health &amp;amp; wellness benefits: in-house fitness classes, gym in the office, subsidized Urban Sports Club and available psychotherapy sessions&lt;/p&gt; &lt;/li&gt; &lt;li&gt; &lt;p class=&quot;cui-body-o5xe cui-body-m-mwmz cui-body-regular-hd7o cui-body-normal-pvqj css-k4eprn&quot;&gt;A lot of other benefits such as Subsidized Public Transport Card, Kita placement assistance, Pension Scheme, Language Learning platform/courses etc.&lt;/p&gt; &lt;/li&gt; &lt;li&gt; &lt;p class=&quot;cui-body-o5xe cui-body-m-mwmz cui-body-regular-hd7o cui-body-normal-pvqj css-k4eprn&quot;&gt;Enrollment onto our virtual stock ownership program - you will own a stake in SumUp’s future success.&lt;/p&gt; &lt;/li&gt; &lt;/ul&gt;&lt;div class=&quot;content-conclusion&quot;&gt;&lt;p&gt;&lt;strong&gt;Job Application Tip&lt;/strong&gt;&lt;/p&gt; &lt;p&gt;&lt;span style=&quot;font-weight: 400;&quot;&gt;We recognise that candidates feel they need to meet 100% of the job criteria in order to apply for a job. Please note that this is only a guide. If you don’t tick every box, it’s ok too because it means you have room to learn and develop your career at SumUp.&lt;/span&gt;&lt;/p&gt;&lt;/div&gt;<p>Find <a href="https://www.arbeitnow.com">Jobs in Germany</a> on Arbeitnow</a>