Senior React Native Engineer (Expo & TypeScript)

Oowlish TechnologyBrasília, Federal DistrictRemoteFull-timeMid level, 2–5 yearsListed 1 week ago

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About this role

Requirements:

We’re looking for an experienced React Native Coder with hands-on experience in many technical facets of the Mobile Development field, especially with elaborated UI/UX.

Responsibilities:

- 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.

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.

- Experience working with 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.

Must Have:

- 3+ years of production React Native development experience.

- Strong TypeScript proficiency.

- Strong experience with modern React , including hooks and component-based architecture.

- Practical experience with 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 .

- Strong ability to translate high-fidelity designs into polished mobile interfaces.

- Excellent attention to:
- UI consistency and visual accuracy.

- Typography and spacing.

- Animations and transitions.

- Responsive mobile layouts.

- Native-feeling user interactions.

- Experience integrating frontend applications with REST APIs or similar backend services.

- Experience writing clean, maintainable, and testable code.

- 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.

Nice to Have:

- Experience with React 19 .

- Advanced experience with Expo and its ecosystem.

- Experience developing map-based or location-aware mobile interfaces.

- Experience with Mapbox or react-native-maps .

- Experience building conversational interfaces, chat applications, or real-time messaging experiences.

- Experience developing streaming AI or LLM-powered interfaces.

- Experience with PostHog or similar product analytics platforms.

- Experience implementing feature flags and analytics instrumentation.

- Experience with React + Vite for web applications.

- Experience working with AI coding agents to improve development productivity and code quality.

- Previous experience in startup environments or small engineering teams.

- Experience contributing to fast-moving products with frequent production releases.

Benefits & Perks:
 
Home office;
Competitive compensation based on experience;
Career plans to allow for extensive growth in the company;
International Projects;
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/
Instagram: https://www.instagram.com/oowlishtechnology/