Senior Mobile Engineer

Summary

Join RecargaPay, a Super App revolutionizing payments in Brazil, as a Senior Mobile Engineer. You will lead medium-to-high complexity projects, mentor junior engineers, and ensure technical excellence. Leverage your React Native (Typescript), Android (Java/Kotlin), and iOS (Objective-C/Swift) skills to develop and maintain mobile applications. You will also design CI/CD pipelines, implement automated testing, and monitor production issues. Collaborate with other engineers and contribute to a high-performance team culture. This role requires strong mobile development skills, experience with CI/CD, and a commitment to mentorship. RecargaPay offers a competitive salary, remote work options, and various benefits.

Requirements

• Strong experience developing applications in React Native, including state management libraries (Redux/Apollo GraphQL)
• Familiarity with React Native new architecture, push notifications, deeplinks, and Redux middlewares
• Experience with third-party SDK integrations and exposing methods to the React Native layer
• Experience writing and maintaining unit, integration and end-to-end tests
• Familiarity with test automation practices, including TDD and BDD
• Understanding of Backend For Frontend (BFF) concepts
• Familiarity with mobile CI/CD tools and processes
• Familiarity with debugging and monitoring tools such as Firebase Crashlytics, New Relic, Amplitude, Databricks, or equivalent
• Strong autonomy, ownership mindset, and ability to drive delivery with minimal supervision
• Commitment to providing technical mentorship and contributing to a high-performance team culture
• Alignment with company values: ownership, excellence, adaptability, and innovation
• Ability to work within a team and collaborate in a dynamic and innovative environment

Responsibilities

• Actively participate in coding, taking on medium to complex programming tasks autonomously
• Participate in architectural discussions, propose process improvements, and help ensure code quality and scalability
• Provide technical mentorship to junior and mid-level team members: conduct code reviews, support daily development activities, and drive technical knowledge sharing
• Develop and maintain mobile applications built with React Native (Typescript), while also working closely with native Android (Java/Kotlin) and iOS (Objective-C/Swift) code, as our team frequently needs to handle native integrations and platform-specific features
• Use state management libraries, preferably Redux
• Apply Backend For Frontend (BFF) concepts
• Design, maintain, and optimize CI/CD pipelines for build automation, testing, and mobile release processes using tools like GitHub Actions, Fastlane, etc
• Manage mobile app delivery to internal testers and production environments via Google Play Console and App Store Connect (for native updates) and over-the-air (OTA) updates (for remote delivery of React Native code)
• Ensure high product quality by applying automated testing practices (TDD and BDD), covering unit, integration and end-to-end levels
• Monitor and diagnose production issues using tools like Firebase Crashlytics, New Relic, Amplitude, Databricks, or equivalent observability and analytics platforms
• Collaborate with Backend and Infrastructure teams. Backend experience (preferably in Java) is a plus

Preferred Qualifications

• Experience in developing native mobile applications for Android and iOS is a plus
• Full Stack experience or previous Backend experience (preferably in Java)
• Experience optimizing Android, iOS, or React Native build performance
• Experience working with the AWS ecosystem and cloud services, such as CloudFront, S3, Lambda, or CloudWatch
• Familiarity with Node.js or web development
• Experience working in high-traffic, scalable environments
• Experience implementing mobile security measures, including SSL pinning, secure storage, integrity checks, code obfuscation, and anti-hooking

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