Sr React Native Developer (Expo / TypeScript) – LATAM

Casado; Brazil; Remote; BRL 180,000 - 240,000; Full time

Job summary

Casado is seeking a Senior React Native Developer for its Mobile Engineering team. The role is fully remote with Brazil preferred, and LATAM candidates with strong English are welcome.

You will work on two production mobile apps across iOS and Android, building high-quality experiences with React Native, Expo and TypeScript. You’ll own releases, migrations, testing and collaboration with cross-functional teams.

Qualifications

• 5+ years of professional React Native experience.
• Strong hands-on experience with Expo in production environments.
• Experience with EAS Build/Update and config plugins.
• Proven experience publishing and maintaining applications in both Apple App Store and Google Play Store.
• Experience owning or contributing to major Expo or React Native upgrades.
• Strong JavaScript and TypeScript skills.
• Experience diagnosing native crashes and mobile performance issues.
• Strong understanding of REST APIs, request modeling and data management.
• Experience with React Query or SWR.
• Experience with Redux, Context or similar.
• Experience with automated testing using Jest, React Native Testing Library and/or Maestro.
• Understanding of iOS vs Android development.
• Strong spoken and written English.
• Stable professional experience showing ownership of products over time.

Responsibilities

• Build smooth, responsive mobile experiences using React Native, Expo and TypeScript.
• Own and support App Store and Google Play releases with staged rollouts.
• Work with EAS Build, EAS Update and OTA updates.
• Lead Expo SDK / React Native upgrades and troubleshoot native issues.
• Debug native crashes and performance issues across iOS/Android.
• Integrate native modules and config plugins for camera, location, push notifications and biometrics.
• Build and maintain automated tests (unit and end-to-end).
• Participate in architecture discussions, code reviews and mobile best practices.
• Collaborate with Product, Design, Backend and other Engineering teams.
• Use AI-assisted development tools with careful code review.

Skills

React Native

Expo

TypeScript

JavaScript

REST APIs

React Query

SWR

Redux

Jest

RN Testing Library

Maestro

Native iOS/Android

AI-assisted tooling

Tools

EAS Build

EAS Update

Config plugins

Maestro

Jest

React Native Testing Library

Sentry

Job description

Sr React Native Developer (Mobile Engineering) Location: The role is fully remote, with Brazil preferred, although candidates across LATAM can be considered with strong English communication skills.

About the CompanyOur client is the leading operations SaaS platform for short-term rental hosts and property managers — and the largest marketplace of "boots on the ground" services that make the short-term rental industry possible.Their platform and mobile apps automate turnover logistics — including scheduling, payments, quality control, and communication — connecting hosts with a global network of 65,000+ vetted service professionals. With 150+ teammates across eight countries building products that hosts and service professionals rely on every day.Their culture is grounded in our Source CODE: Customer Obsessed, Outcome Focused, Data Driven, and Entrusted Ownership.

space to hire a Senior React Native Developer for its mobile team.We’re looking for someone with deep React Native and Expo experience who has shipped and maintained production applications across both iOS and Android.

What you'll work on

You’ll join a growing mobile engineering team responsible for two production applications used across iOS and Android.

Your work will include:

• Building smooth, responsive, high-quality mobile experiences using React Native, Expo and TypeScript.
• Owning and supporting App Store and Google Play releases, including staged rollouts.
• Working with EAS Build, EAS Update and OTA updates.
• Leading and supporting Expo SDK / React Native upgrades, including troubleshooting native issues that arise during migrations.
• Debugging native crashes, performance bottlenecks and platform-specific issues across iOS and Android.
• Working with native modules and config plugins for integrations such as camera, location, push notifications, biometrics and audio/video.
• Building and maintaining automated tests, including unit and end-to-end testing.
• Participating in architecture discussions, code reviews and mobile engineering best practices.
• Collaborating closely with Product, Design, Backend and other Engineering teams.
• Using AI-assisted development tools as part of the daily engineering workflow, while critically reviewing and validating generated code.

The team's current technical roadmap includes mobile stability and performance work, upcoming Expo SDK upgrades, a new component library, and modernization of data/state management.

What we're looking for

• 5+ years of professional React Native experience.
• Strong, hands-on experience with Expo in production environments — not only bare React Native.
• Experience with EAS Build / Update, config plugins and the broader Expo ecosystem.
• Proven experience publishing and maintaining applications in both the Apple App Store and Google Play Store.
• Experience owning or contributing significantly to major Expo or React Native upgrades.
• Strong JavaScript and TypeScript skills.
• Experience diagnosing native crashes and mobile performance issues.
• Strong understanding of REST APIs, request modeling and data management.
• Experience with modern data-fetching/caching solutions such as React Query or SWR.
• Experience with state management approaches such as Redux, Context or similar.
• Experience with automated testing using tools such as Jest, React Native Testing Library and/or Maestro.
• Understanding of the differences between iOS and Android development.
• Strong spoken and written English, as interviews and day-to-day collaboration will be in English.
• Stable professional experience demonstrating ownership of products over time.
• Experience with any of the following is a plus:
  • Native iOS or Android development
  • Reanimated / Gesture Handler
  • NativeWind
  • CI/CD with GitHub Actions
  • Real-time communication features, WebRTC or video/audio integrations
  • Analytics and feature flagging tools
  • Error monitoring platforms such as Sentry
  • Offline-first mobile functionality
  • Open-source contributions

Location & working model

Remote — LATAMBrazil is preferred, but we're open to strong candidates elsewhere in Latin America.

You’ll work in a distributed international environment, so strong English communication is essential. Some overlap with US Central Time afternoons will be required.

Why join?

This is an opportunity to join a product-focused engineering environment where mobile is a core part of the business. You'll have meaningful ownership over production applications, contribute to architectural decisions and work with a team actively modernizing its mobile stack.

If you're a mobile-first engineer with deep React Native + Expo experience who enjoys solving complex production problems and using modern AI-assisted development workflows, we'd love to hear from you.