--- title: 'Senior Android Engineer - KMP at SumUp' canonical: 'https://feeny.ai/job/senior-android-engineer-kmp-sumup-berlin-n931bvmg4h6w' type: 'job' last_seen: '2026-09-08' --- # Senior Android Engineer - KMP at SumUp - **Company:** SumUp - **Location:** Berlin, Germany - **Posted:** 2025-11-12 - **Last confirmed live:** 2026-09-08 - **Apply:** https://sumup.com/careers/positions/8003469002?gh_jid=8003469002 ## Job description ## About the team 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. Our POS solution integrates seamlessly into the SumUp SuperApp, which supports both our proprietary register hardware and mobile devices like tablets and phones. As a Senior Android Developer, you’ll collaborate with a dynamic, cross-functional team of Product Managers, Product Designers, Engineering Managers, and fellow engineers. ## About the role 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. 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. This role is on-site in Berlin, where face-to-face interactions spark innovation and teamwork. ## What you’ll do - Build new features for the item catalog within the SumUp SuperApp - Help improve the architecture of the application and contribute to our Kotlin Multiplatform strategy - Enhance and maintain our unified android app, distributed across 60+ countries, ensuring high-quality, scalable solutions - Shape the product’s evolution by identifying opportunities for improvement and contributing to daily decision-making - Write thorough documentation and implement robust testing for features before shipping - Collaborate closely with Designer, Product Manager and Android engineers to deliver a unified UX experience across platforms - Coach and mentor other engineers You’ll thrive in this role if: - You have 8+ years experience in mobile engineering with Android and Kotlin. - You have 2+ years of experience working with Jetpack Compose. - You have a solid understanding of software design patterns (e.g., MVVM, MVI) and expertise in building modular, scalable app architectures. - You have good knowledge of reactive programming (Flow, Coroutines and Concurrency). - You have a strong grasp of testing best practices: knowing what to test, why, and how to write resilient tests. - You strive for clean code, and you are flexible to balance pragmatism and perfection. - You have a keen interest in multi-platform development using Kotlin Multiplatform. ## Why you should join SumUp - Be part of a company that values diversity and celebrates unique perspectives. - Work with a global team of skilled professionals in an environment that fosters collaboration, learning, and growth. - 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 - 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) - 28 days paid leave + 1 for birthday - Sabbatical program for tenured SumUppers - Join a global team where you belong: Check out our [D&I Initiatives and Employee Resource Groups](https://www.sumup.com/careers/diversity/?gh_jid=7530612002) such as Pride Club, SumAfro, Neurodiversity, Grupos Mais, Women in Tech, and more - Health & wellness benefits: in-house fitness classes, gym in the office, subsidized Urban Sports Club and available psychotherapy sessions - A lot of other benefits such as Subsidized Public Transport Card, Kita placement assistance, Pension Scheme, Language Learning platform/courses etc. - Enrollment onto our virtual stock ownership program - you will own a stake in SumUp’s future success. Job Application Tip 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. ## About SumUp ## Company Overview - **One-liner**: SumUp is a global fintech company that provides simple, affordable payment and financial management tools to help small businesses start, run, and grow. - **Entity Type**: Private (Funding stage not publicly available) - **Headquarters**: London, United Kingdom - **Founded**: 2012 - **Founders**: Not specified in provided sources ## Core Business - **Primary industry**: Financial Services / Fintech (Payments) - **Target customers**: Small and medium-sized businesses (SMBs), B2B - **Mission or purpose statement**: "Empower small businesses all over the world." — with the vision of "a world where everyone can build a thriving business." ## Products & Services - **Payment Processing (Card Readers & POS)**: Hardware and software solutions for in-person and online payments, enabling merchants to accept card and contactless payments. - **SumUp Business Account**: A digital business account for managing finances and transactions. - **Invoicing & Customer Relationship Tools**: Tools to create invoices, manage customers, and streamline operations. ## Market Standing - **Valuation/Market Cap**: Not disclosed (private company) - **Key Metric**: Over 4 million merchants served across 37 markets; 3,000+ employees from more than 90 nationalities - **Notable Investors/Partners**: Not listed in provided sources - **Growth Signals**: Headcount growth to 3,000+; recognition as a Top Global Employer for inclusion (Stonewall Workplace Equality Index 2022/2023) and Fintech Diversity Initiative of the Year (2025); expansion across 4 continents with 20+ offices. ## Competitive Advantages - **Global reach**: Operating in 37 markets with localized products and support. - **Merchant focus**: Deep commitment to small business owners, with products designed specifically for their needs. - **Inclusive culture**: Strong diversity and inclusion programs, gender parity in workforce, and employee-led communities (e.g., Pride Club). - **Autonomous teams**: Small, empowered teams with servant leadership, fostering innovation and speed. ## Strategic Focus - Expanding product and service portfolio to become a complete financial partner for small businesses. - Continuing to invest in a learning culture (SumUp University) and employee development. - Maintaining an office-first culture while enabling occasional remote work to balance collaboration and flexibility. - Growing market presence by entering new geographies and deepening existing ones. ## Why Work Here - **Culture**: Office-first company that values human connection, autonomy, and continuous learning. Core values include Team First, We Care, and Founder’s Mentality. - **Remote/Hybrid policy**: Office-first with the ability to work remotely occasionally, as agreed with teams. - **Benefits**: Relocation support for overseas hires, dedicated budget for conferences and external training, and location-specific perks. - **Engineering culture**: Autonomous teams, servant leadership, and a focus on pragmatic, self-driven problem-solving. - **Inclusion**: Recognized as a Top Global Employer for inclusion; active LGBTQ+ community and gender parity initiatives. - **Hiring process**: Transparent, with recruiter screening, hiring manager interview, technical assessment, team interview, bar raiser, and final offer. ## Sources 1. [sumup.com](https://www.sumup.com/careers/) 2. [linkedin.com](https://www.linkedin.com/company/sumup) 3. [sumup.com](https://www.sumup.com/careers/culture/) 4. [sumup.com](https://www.sumup.com/careers/positions/) 5. 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