We are looking for a Senior Mobile Developer to help build a world-class mobile experience used by customers every day. In this role, you will be a high-impact individual contributor responsible for developing and evolving our React Native application across iOS and Android, delivering high-quality mobile experiences that are fast, reliable, and scalable. This is a high-autonomy role for an engineer who takes pride in the craft of mobile development. You will work closely with Product, Design, Backend, and Data teams to build polished mobile features while contributing to architecture decisions, performance improvements, testing practices, and release infrastructure. The ideal candidate is deeply experienced in React Native development, understands the mobile ecosystem end-to-end, and enjoys building robust systems that scale while maintaining exceptional user experiences. ## Responsibilities
Contribute to the architecture, development, and evolution of the React Native mobile application across iOS and Android. - Build and maintain reusable, high-performance UI components using NativeWind while ensuring accessibility and design consistency. - Integrate and manage content delivery through Sanity CMS, including schema design, GROQ queries, and real-time preview workflows. - Contribute to using LaunchDarkly, supporting controlled rollouts and A/B testing. - Use to streamline development workflows and manage native dependencies. - Build and maintain for automated builds, testing, and app store submissions. - Maintain strong , ensuring reliable test coverage. - Build and extend to protect critical user flows. - Implement and manage using tools such as Datadog or Sentry. - Own complex mobile initiatives . - Participate in , maintaining high standards for quality and performance. - Identify and reduce , improving maintainability and development velocity. - Collaborate closely with to deliver high-quality mobile features. - Diagnose and resolve using profiling and monitoring tools. - when working with native modules or platform-specific optimizations. - Mentor and support technical hiring processes. ## Requirements
feature flagging and experimentation infrastructure
Expo and the Expo ecosystem
mobile CI/CD pipelines using Expo Application Services (EAS)
testing practices using Jest and React Native Testing Library
UI automation tests using Detox or similar frameworks
application monitoring and observability
from technical design through launch, monitoring, and iteration
architecture discussions, design reviews, and code reviews
technical debt
Product, Design, and Backend teams
performance issues, crashes, and memory problems
Native platform knowledge (Swift or Kotlin)
junior and mid-level engineers
7+ years of professional software engineering experience, including 4+ years in cross-platform mobile development. - Expert-level experience with React Native and cross-platform mobile architecture. - Strong proficiency in TypeScript with experience building scalable typed codebases. - Experience building reusable component libraries using NativeWind or Tailwind-style frameworks. - Experience integrating headless CMS platforms (Sanity CMS preferred). - Experience implementing feature flags or experimentation platforms such as LaunchDarkly. - Strong experience with Expo (managed or bare workflows) and the broader Expo ecosystem. - Experience building mobile CI/CD pipelines (EAS, Fastlane, or similar) including automated builds and app store submissions. - Strong experience with automated testing using Jest and React Native Testing Library. - Experience implementing end-to-end UI automation testing using Detox, Maestro, Appium, or similar. - Experience with mobile observability and monitoring tools such as Datadog or Sentry. - Working knowledge of Swift (iOS) and/or Kotlin (Android) for native module integration and debugging. - Experience delivering large, complex mobile projects with measurable impact. - Strong written and verbal English communication skills. - Bachelor’s or Master’s degree in Computer Science, Engineering, or equivalent practical experience. - Must be located in Latam. ## Benefits
Work remotely Monday - Friday, 40 hours a week (no weekends). - Parental Leave. - Health Care Reimbursement. - Active Lifestyle Reimbursement. - Quarterly Home Office Reimbursement. - Longevity Bonus. - Continuous Learning Bonus. - Did we mention it's REMOTE?!! One of our core values at Zipdev is 'Be authentic.' that's why we encourage you to answer the application form in your own words; we are interested in getting to know you, not a digital assistant. Wondering how our remote environment or our payment method work? We've put together some helpful answers in our FAQs at the bottom of our career site. Take a look and let us know if you have any other questions!
