Job Description
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 feature flagging and experimentation infrastructure using LaunchDarkly, supporting controlled rollouts and A/B testing.
Use Expo and the Expo ecosystem to streamline development workflows and manage native dependencies.
Build and maintain mobile CI/CD pipelines using Expo Application Services (EAS) for automated builds, testing, and app store submissions.
Maintain strong testing practices using Jest and React Native Testing Library, ensuring reliable test coverage.
Build and extend UI automation tests using Detox or similar frameworks to protect critical user flows.
Implement and manage application monitoring and observability using tools such as Datadog or Sentry.
Own complex mobile initiatives from technical design through launch, monitoring, and iteration.
Participate in architecture discussions, design reviews, and code reviews, maintaining high standards for quality and performance.
Identify and reduce technical debt, improving maintainability and development velocity.
Collaborate closely with Product, Design, and Backend teams to deliver high-quality mobile features.
Diagnose and resolve performance issues, crashes, and memory problems using profiling and monitoring tools.
Apply native platform knowledge (Swift or Kotlin) when working with native modules or platform-specific optimizations.
Mentor junior and mid-level engineers and support technical hiring processes.
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
Nice to Have
Deep native mobile development experience in Swift (iOS) or Kotlin (Android)
Experience working with React Native New Architecture (Fabric, TurboModules, JSI)
Experience with Expo Router or file-based routing systems
Experience implementing over-the-air updates using Expo Updates or CodePush
Familiarity with additional mobile observability tools such as Firebase Crashlytics
Contributions to open-source React Native libraries or technical content
Experience working in high-growth technology companies with strong mobile engineering cultures
Work remotely Monday - Friday, 40 hours a week (no weekends)
Vacation: 10 business days a year
Holidays: 5 National Holidays a year
Company Holidays: 5 Company Holidays a year (Christmas Eve, Christmas Day, New Year’s Eve, New Year’s Day, Zipdev Day)
Parental Leave
Health Care Reimbursement
Active Lifestyle Reimbursement
Quarterly Home Office Reimbursement
Payroll Deduction Purchase Plans
Longevity Bonus
Continuous Learning Bonus
Access to Training and Professional Development Platforms
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 our our career site. Take a look and let us know if you have any other questions!
