Senior React Native Engineer (Expo & TypeScript)
Oowlish Technology
- Brasília, Brazil
- Remote
- Full-time
- Senior Level
- 3+ years
- Posted
Skills
Required
- React
- React Native
- TypeScript
- animations
- hooks
- iOS
- Android
- modern React patterns
- spacing
- typography
- backend APIs
- React Native development
Preferred
- Expo
- backend
- integrating frontend applications
- REST APIs
- streaming AI / LLM-powered interfaces
- UI
- frontend
We offer the convenience of remote work, allowing you to craft a work-life balance that suits your personal and professional needs. We're looking for candidates who are passionate about technology, proficient in English, and excited to engage in remote collaboration for a worldwide presence.
Senior React Native Engineer
This is a highly hands-on frontend mobile engineering role focused on delivering polished, intuitive, and high-performance experiences across iOS and Android.
You'll join a small, fast-moving engineering team, collaborating directly with technical stakeholders and backend engineers to turn high-fidelity designs into production-ready mobile interfaces.
The ideal candidate has strong React Native expertise, exceptional attention to UI details, and the ability to quickly understand an existing codebase and deliver meaningful improvements from the first week.
About Oowlish Technology
Oowlish, one of Latin America's rapidly expanding software development companies, is seeking experienced technology professionals to enhance our diverse and vibrant team.
As a valued member of Oowlish, you will collaborate with premier clients from the United States and Europe, contributing to pioneering digital solutions. Our commitment to creating a nurturing work environment is recognized by our certification as a Great Place to Work, where you will have opportunities for professional development, growth, and a chance to make a significant international impact.
Responsibilities
- to help build, enhance, and refine a production mobile application using
- React Native, Expo, TypeScript, and modern React
- This opportunity is particularly well-suited for engineers who enjoy ownership, rapid iteration, clean code, and building high-quality mobile experiences.
- Develop, enhance, and maintain production mobile applications using
React Native, Expo, and TypeScript
- Build new mobile screens and improve existing interfaces across iOS and Android.
- Translate high-fidelity designs into pixel-accurate, responsive, and visually polished mobile experiences.
- Develop interactive mobile features involving conversational interfaces, content presentation, and user interactions.
- Ensure smooth animations, transitions, navigation, and native-feeling interactions.
- Build reusable, maintainable React Native components using modern React patterns and hooks.
- Integrate frontend features with backend APIs and collaborate with backend engineers on API contracts.
- Troubleshoot and resolve UI issues, performance bottlenecks, and platform-specific inconsistencies.
- Write clean, well-tested, maintainable, and documented code.
- Deliver small, reviewable commits and participate in code reviews.
- Occasionally contribute to React-based web interfaces.
- Collaborate with engineering stakeholders to clarify requirements, prioritize work, and deliver improvements.
- Contribute to continuous improvements in mobile UI quality, performance, and maintainability.
- Strong ability to translate high-fidelity designs into polished mobile interfaces.
- Responsive mobile layouts.
Requirements
- 3+ years of professional experience building and shipping production React Native applications.
- Strong hands-on experience with
- React Native
- Strong proficiency in
- TypeScript
- and modern React development.
Expo
- or comparable React Native development workflows.
- Strong understanding of React hooks, component architecture, and modern React patterns.
- Proven ability to implement high-fidelity UI designs.
- Strong attention to mobile UI/UX details, including spacing, typography, animations, and native interactions.
- Experience integrating mobile applications with backend APIs.
- Experience maintaining and enhancing existing production applications.
- Strong understanding of testing and code quality practices.
- 3+ years of production React Native development experience.
TypeScript
- proficiency.
- modern React, including hooks and component-based architecture.
- Expo, or strong React Native experience with the ability to work effectively in an Expo codebase.
- Experience delivering production mobile applications for iOS and Android
- Typography and spacing.
- Ability to quickly understand and contribute to existing codebases.
- Experience working with code reviews and collaborative development workflows.
- Ability to deliver independently in a fast-paced engineering environment.
- Clear communication and reliable availability during agreed working hours.
- React 19
- Advanced experience with
Expo
- and its ecosystem.
- Experience developing map-based or location-aware mobile interfaces.
- Mapbox
- or
- react-native-maps
- Experience building conversational interfaces, chat applications, or real-time messaging experiences.
- PostHog
React + Vite
- for web applications.
- Experience working with AI coding agents to improve development productivity and code quality.
Preferred
- UI consistency and visual accuracy.
- Animations and transitions.
- Native-feeling user interactions.
- Experience integrating frontend applications with REST APIs or similar backend services.
- Experience writing clean, maintainable, and testable code.
- Experience developing streaming AI or LLM-powered interfaces.
- or similar product analytics platforms.
- Experience implementing feature flags and analytics instrumentation.
- Previous experience in startup environments or small engineering teams.
- Experience contributing to fast-moving products with frequent production releases.
Benefits
- Career plans to allow for extensive growth in the company;
- Oowlish English Program (Technical and Conversational);
- Games and Competitions;
You can also apply here
- Website: https://www.oowlish.com/work-with-us/
- LinkedIn: https://www.linkedin.com/company/oowlish/jobs/
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