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Sr Mobile Software Engineer (Account Management) at RecargaPay. Come Make an Impact on Millions of Brazilians!. RecargaPay is the Super App that simplifies everyday payments for consumers and SMEs in Brazil.. The platform streamlines payments for over 6 million Brazilians by consolidating credit and debit cards, instant payments like Pix, and Open Finance, on a mission to democratize mobile payments and financial services in Brazil.. Featuring services such as bill payments, mobile top-ups, public transportation, installment plans, and loans, designed with convenience, low cost and flexibility in mind. RecargaPay is changing the way both banked and unbanked Brazilians make their everyday payments and access their financial services.. Development is at the heart of everything we do at RecargaPay. As a Senior Mobile Engineer in the Mobile Delivery team, you'll not only conduct medium-to-high complexity technical projects autonomously, but you'll also play a key role in providing technical guidance to team members with lower seniority (such as junior, mid-level, and early-stage senior engineers), conducting code reviews, and ensuring technical excellence across the team.. You’ll be expected to combine strong mobile development skills with a good understanding of mobile delivery processes, including CI/CD, build automation, app distribution, monitoring, and testing. You’ll collaborate closely with other engineers and the Tech Lead, escalating strategic or architectural decisions when needed.. Responsibilities. As a Senior Mobile Software Engineer,  you will play a pivotal role in developing and maintaining high-quality mobile applications, with a strong focus on authentication, user onboarding, identity verification (KYC), fraud prevention, and other security-critical features.. You are expected to operate with a high degree of autonomy and take ownership of complex technical initiatives. Your decisions will be shaped in close alignment with the broader mobile team and product strategy, ensuring consistency and scalability across our platform.. Develop and maintain mobile features in React Native, using strongly typed logic with TypeScript.. . Lead architecture and decision-making across mobile features related to security, authentication, identity, and regulatory compliance.. . Mentor other engineers and contribute to maintaining a robust, clean, and scalable mobile codebase.. . Implement and maintain mobile security practices including SSL pinning, secure storage, code obfuscation, anti-tampering, and device integrity.. . Collaborate with backend, product, and design teams to ship high-impact mobile experiences.. . Apply concepts of TDD, BDD, and BFF, and use state management libraries, preferably Redux.. . Debug and monitor applications using tools like Crashlytics, Firebase, Amplitude and New Relic.. . Build and support native modules for Android (Java/Kotlin) and iOS (Objective-C/Swift), including third-party SDK integrations exposed to the React Native layer.. . Work with version control using GitHub, conflict resolution, and automation of continuous integration processes.. . Create and maintain software documentation.. . Academic background oriented toward computer science, engineering, or software development disciplines.. . Strong experience developing applications in React Native.. . Experience in developing native mobile applications for Android and iOS.. . Demonstrated ability to take ownership of mobile projects from architecture to release.. . Experience solving real-world technical challenges with a pragmatic mindset, balancing trade-offs effectively.. . Sound judgment when navigating ambiguity, capable of adapting to short-term needs without compromising long-term quality.. . Familiarity with security-sensitive flows and regulatory constraints in fintech or similarly complex domains.. . Familiarity with React Native architectures, Push Notifications, Deeplinks, and Middlewares.. . Practical experience applying AI frameworks in development projects.. . . Soft Skills. . Strong communication and collaboration skills, with the ability to work closely with cross-functional teams including Chapters, UX and Backend Engineering.. . Open to questioning proposed solutions, challenging assumptions respectfully, and improving results through iterative thinking.. . A pragmatic mindset that balances quality, speed, and business context without over-engineering.. . Proactive and collaborative attitude, comfortable contributing to shared goals in cross-functional teams.. . Alignment with company values: ownership, excellence, adaptability, and innovation. . Industry-Specific Knowledge. It is desirable to have practical familiarity with one or more core financial domains such as lending, payments, credit cards, open finance, fraud prevention, merchant acquiring, or investment services, along with an understanding of their key workflows and customer-facing touchpoints. Experience in how these areas intersect to influence revenue, risk management, and user satisfaction is highly valued.. Ideally, candidates will have contributed to the development of mobile applications that support use cases such as loan origination with real-time status updates, digital wallets and payment apps integrated with core banking platforms and third-party gateways, secure onboarding flows compliant with KYC/AML regulations, mobile interfaces for fraud alerts and identity verification, or mobile dashboards for financial reporting and transaction history. The ability to translate complex regulatory requirements (e.g., PCI-DSS, GDPR) into secure, seamless, and user-friendly mobile experiences is considered a strong asset.. Process Stages. HR Interview. Our first contact will be a casual conversation to learn about you, your career journey, and align expectations. We’ll conduct a brief technical assessment and answer your questions about the role, our culture, and what makes us unique. We want you to get to know us better too! 💙🩵🧡💛. Assessment (skills mapping). We use an evaluation tool to map your work style and how you align with our culture. This step helps us understand how your skills can enhance our solutions. 🤓. Technical Assessment. Now it’s time to showcase your technical talent! In this step, you’ll solve technical cases and have a discussion with our engineering team. We’ll dive into your decisions, strategies, and how you design scalable and robust solutions. Beyond evaluation, we want to exchange ideas and explore how your solutions can impact RecargaPay! 🔎. Conversation with Leadership. Here, you’ll meet the squad leader to understand the position’s challenges, discuss the team’s daily activities, and evaluate alignment between our goals, culture, and your career aspirations. This will be an open space to align expectations and ensure RecargaPay is a place where you can grow and make a difference. 🫡. Offer. If we’ve made it this far together, we’d be thrilled to invite you to join our team! You’ll receive a detailed proposal with all the information about the role, benefits, and the impact you’ll have with us. We can’t wait to welcome you! 💼🥳. Note: There may be an additional step if specific alignments are needed.. Company Location: Brazil.