Sr Mobile Engineer (Sub-Acquirer)
Come Make an Impact on Millions of Brazilians!
At RecargaPay, we’re on a mission to deliver the best payment experience for Brazilian consumers and small businesses — by building a powerful digital ecosystem where the banked and unbanked connect, and where consumers and merchants have a one-stop shop for all their financial needs.
We serve over 12 million users and process more than USD 4 billion annually. We’ve been profitable since 2022 and operate our own credit business. We are an AI-first, 100% remote team, scaling in the rapidly changing Brazilian financial market.
Our goal? Deliver the best payment experience in Brazil for people and small businesses alike.
We value autonomy, ownership, and a bias for action. We’re looking for people who are curious, hands-on, and driven by impact — who want to solve real problems, work with strong teams, and rethink what’s possible.
If you’re ready to do your best work, at scale, with purpose — this is your place.
As a Sr Mobile Software Engineer, you will play a pivotal role in developing and maintaining high-quality mobile applications in a fast-paced and dynamic environment. You will actively engage in coding, independently handling medium to complex programming tasks, while adhering to industry best practices.
Key Responsibilities
- Develop and maintain native mobile applications for Android (Java/Kotlin) and iOS (Objective-C/Swift).
- Work on third-party SDK integrations at a native level, exposing methods to the React Native layer.
- Implement and maintain security measures in mobile applications, addressing critical vulnerabilities, SSL pinning, integrity checks, secure storage, code obfuscation, and anti-hooking.
- Conduct code reviews, discuss implementation approaches and apply industry best practices.
- Evaluate and apply versions of React Native architecture and Bridge functionality.
- Implement Push Notifications, Deeplinks, Middlewares, and navigation libraries (such as react-navigation).
- Apply concepts of TDD, BDD, and BFF, and use state management libraries, preferably Redux.
- Monitor and debug applications with tools such as Crashlytics, Firebase, New Relic, and Google Analytics.
- Publish mobile applications using CI/CD pipelines and tools such as CodePush.
- Work with version control using GitHub, conflict resolution, and automation of continuous integration processes.
- Create and maintain software documentation.
Requirements
- 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.
- Knowledge of mobile application security, including techniques like SSL pinning, integrity checks, secure storage, code obfuscation, and anti-hooking, essential to ensure applications comply with security standards.
- Experience with third-party SDK integrations and exposing methods to the React Native layer.
- Familiarity with React Native architectures, Push Notifications, Deeplinks, and Middlewares.
- Advanced knowledge in TDD, BDD, BFF, and state management libraries (Redux).
- Awareness of UX principles and best practices, with the ability to collaborate with designers and product teams to deliver intuitive, responsive, and accessible mobile experiences.
- Experience with CI/CD tools and application publishing, such as CodePush.
- Experience with version control (GitHub) and automation of continuous integration processes.
- Familiarity with debugging and monitoring tools such as Crashlytics, Firebase, New Relic, and Google Analytics.
- Active participation in implementing new libraries, patterns, and contributing to discussions and decision-making in medium-complexity projects.
- 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.
- Proactive mindset with a sense of ownership and accountability for delivering high-quality, user-centric mobile experiences.
- Ability to mentor peers, share knowledge, and contribute to a culture of continuous improvement and technical excellence.
- Flexibility and adaptability in a fast-changing environment, with openness to feedback and eagerness to learn.
- 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.
Benefits
- Competitive and market-aligned salary.
- Remote work — wherever you are, you’re part of the team!
- Home office allowance through a monthly deposit in the RecargaPay app.
- Health and dental plans with no co-pay.
- Life insurance.
- Flexible meal allowance (via Flash).
- TotalPass membership to take care of your health.
- Spanish or Portuguese classes.
Diversity & Inclusion at RecargaPay
At RecargaPay, you’ll have the freedom to be who you are because we believe that diverse perspectives and experiences make us more creative and stronger. Here, everyone is welcome to express themselves authentically. We value the richness of each journey and the multiple ways of seeing the world, without distinctions of gender, race, sexual orientation, age, religion, or any other characteristic that makes us unique.
About the Use of Your Data
By sharing your resume with us, you authorize the use of your data for analysis during the selection process and possibly for other opportunities within the RecargaPay group. You can request the update or deletion of your information at any time, in accordance with LGPD (General Data Protection Law).