Senior Android Engineer

Becoming part of the Brazil Engineering team (BR Market) means joining a global mission to help solve real-world problems for small business owners and shape the future of fintech products in the Brazilian market. This is an exciting opportunity to take ownership of mobile systems, contribute to architectural decisions, and work alongside a team of talented professionals. If you're looking to further your career with a company that grows in complexity, values continuous learning and technical excellence, and where you will connect and impact distributed teams over the world, SumUp is the place for you. As a Senior Android Engineer, you'll be at the forefront of this journey, driving innovation and creating solutions that empower millions of users globally. In the Comodato and Receivables squad, you will be responsible for shaping intuitive, data-driven experiences that give users real-time visibility into their financial activity and upcoming receivables. By designing scalable flows and leading the evolution of key financial features, this role will empower users with transparency, foresight, and confidence in managing their transactions. About the role As a Senior Android Developer in the BR Market Tribe, you will join a cross-functional team responsible for ensuring the adequation of the Sumup products to the Brazilian market with strong collaboration with other Core tribes such as Bank, Payment, Lending, Hardware and POS. On a daily basis you will be delivering tools that simplify financial operations and improve daily business management, strengthening merchant trust and reinforcing SumUp as their long-term partner. What You’ll Do Collaborate with software developers, QAs, designers, product managers, and other key stakeholders to design and implement Mobile features, Drive Android-specific features and enhancements by bridging the Brazilian market with Hardware, POS, and Lending teams, ensuring technical alignment and compatibility with merchants’ needs. Ensure smooth deployments, continuous integration, and support existing functionalities in the SuperApp, Actively contribute to tool and technology selection, driving backend-related discussions and decisions. Develop and evolve features in the Receivables and Comodato domains within the SuperApp, enabling merchants to manage contracts and optimize their cash flow. Identify and close monitoring and reliability gaps, resolving issues and strengthening system resilience. Define and track key metrics to measure app usage and feature impact. Drive knowledge sharing by mentoring junior engineers, enforcing best practices, and contributing high-quality, reliable code. Lead code reviews and pair programming sessions to boost team skills, strengthen code quality, and deliver robust, maintainable solutions Shape a collaborative team culture through proactive engagement, structured communication, and continuous refinement of engineering rituals. Inspire alignment, learning, and teamwork to ensure the team performs at its best while delivering impactful results. You’ll Be Great for This Role If You Have Native development experience with Kotlin and Java. Experience with Jetpack Compose, as well XML-based views. Modular Architecture, MVVM, SOLID, REST APIs. Unit testing and dependency injection. Firebase Crashlytics, Proficiency in English in order to actively participate in meetings with people from other countries. Bonus Points If You Have Experience with hybrid frameworks, such as KMP (preferable) or Flutter. Why You Should Join SumUp Career Growth: Join a truly global team and work on large-scale fintech products used by millions of businesses worldwide, with ample opportunities for professional development and upward mobility, Learning & Development: We offer an annual Learning & Development budget of R$ 10,000, which you can use for conferences, certifications, and further education to enhance your skills, Extended Time Off: After 3 years at SumUp, you’ll receive an additional 30 days off through our Break4Me program, on top of your regular vacation period, English Classes: Improve your language skills with our English classes, provided through The English Academy, Equity: Participate in SumUp’s virtual stock ownership program, gaining a stake in our future success, Global Experience: Join our global off-sites, hackathons, and events, and collaborate with a diverse team of 3,000+ people from over 90 countries, Referral Bonus: Earn a bonus when you help us grow by successfully referring top talent to our team, Comprehensive Benefits: We care deeply about our team’s well-being and offer a range of benefits, including health plans, meal vouchers (VR), Zenklub, Wellhub (former-Gympass), life insurance, a pension plan, childcare allowance, and more. About SumUp Be empowered to do more of what matters. Our mission is to empower small businesses across the globe by providing simple and affordable tools that allow them to thrive. Today, over 4 million businesses in 36 markets rely on SumUp as their financial partner to manage payments, finance and customer relationships. At SumUp, we’re a diverse team of 3,000+ people from over 90 nationalities, united by collaboration and an innovative mindset. Guided by our core values, we foster an inclusive culture where everyone can learn, grow, and thrive. We are proud to be an Equal Opportunity Employer, embracing diversity and ensuring a safe, respectful workplace free from discrimination. For more insight into SumUp’s culture: A tour of our São Paulo office Ask me anything: Engineering at SumUp SumUp’s Innovation Hackathon Join us on building a world where every small business can thrive. Learn more about our culture on our careers page and follow us on LinkedIn and Instagram. 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. #J-18808-Ljbffr