Mobile Android Senior Engineer

Senior Android Engineer at SumUp (Brazil Market)
Becoming a part of SumUp 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. 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 Merchants Experience squad, you will be responsible for several initiatives to deliver an engaging experience for the merchant in the Sumup SuperApp. This application has a unique positioning and offers access to merchants to the Sumup rich product portfolio.
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.
We are an Office First company because we truly believe in the power of collaboration and in-person interactions to foster a sense of belonging and support our Founder's Mentality. That's why this position is hybrid (3x/week), with time spent in our office in Pinheiros, São Paulo.
About the role
As a Senior Android Developer in the BR Market team, you will join a cross-functional team and work alongside a Product Manager, Product Designer, Senior iOS Developer, Android Developer, and a Frontend Developer. The team is responsible for ensuring the adequation of the Sumup products to the Brazilian market. It implies strong collaboration with other Core tribes such as Bank, Payment, Lending, Hardware, and POS.
On a daily basis you will be building new features related to Brazilian specificities (PIX, Instalment, fiscalization, etc.) within the SumUp SuperApp, increasing the expertise of the team on Kotlin Multiplatform, maintaining the quality of existing features, and improving the architecture of the application.
To be successful in this role you should be someone who cares about user interaction, usability, and have attention to detail. Your communication is structured and precise, and you thrive when collaborating cross-functionally.
What You'll Do:

Collaborate with software developers, QAs, designers, product managers, and other key stakeholders to design and implement Mobile features.
Establish good communication and collaboration with other tribes to design and deliver Android features that will affect the Brazilian market (examples: PIX credit (Lending), Android Reader (Hardware), etc.).
Ensure appropriate discoveries, spikes, and technical descriptions for all stories and tasks.
Participate in code reviews and pair programming to improve code quality and knowledge sharing.
Continuously adopt and promote best practices within the team, focusing on high-performance, monitoring, and crash-free releases.
Ensure smooth deployments, continuous integration, and support existing functionalities in the SuperApp.
Provide comprehensive documentation and maintain high test coverage.
Actively contribute to tool and technology selection, driving backend-related discussions and decisions.

You'll Be Great for This Role If You Have:

Native development experience with Kotlin and the Android framework.
Modular Architecture, MVVM, SOLID, Rest APIs, and experience to ensure modularized and scalable app architecture.
Unit testing and Dependency injection experience.
Experience with Firebase Crashlytics.
Adaptability to work in a fast-paced environment.
Experience working with multi-tasked teams.
Proficiency in English to actively participate in meetings with people from other countries.

Bonus Points If You Have:

Experience of development with Kotlin Multiplatform (KMP).
Native development with Java.
Experience with Compose.
Experience with gRPC.
Experience with instrumented testing.
Experience in working with financial services.

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), Zenclub, Gympass, life insurance, a pension plan, childcare allowance, and more.

About SumUp:
At SumUp, we're on a mission 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.
Our commitment to small businesses is reflected in our diverse team of over 3,000 SumUppers from over 90 nationalities, united by global collaboration and an innovative mindset. Our core values lay the foundation for who we are and what we stand for, shaping our work culture and driving our success. We foster inclusivity and a continuous learning culture, providing a safe space for personal and professional growth. Our differences make us unique and strong as we strive to create an environment where everyone belongs and feels supported, no matter how they identify.
SumUp is proud to be an Equal Employment Opportunity employer, actively seeking and embracing diversity in our workforce. We don't make hiring or employment decisions based on race, color, religion or religious belief, ethnic or national origin, nationality, sex, gender, gender identity, sexual orientation, disability, age, or any other basis protected by applicable laws or prohibited by company policy. Our commitment extends beyond recruitment to creating a safe and respectful workplace where harassment of any form is strictly prohibited.
Explore career opportunities with us and join a team driven by collaboration, innovation, and a shared vision of creating a world where everyone can build a thriving business.
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.

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