
Mobile Developer – Senior
Fertil Comunicacao e Marketing Ltda.
contract
Posted on:
Location Type: Remote
Location: Brazil
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Salary
💰 $2,000 per month
Job Level
Tech Stack
About the role
- Develop and evolve robust, scalable mobile applications using React Native and Expo.
- Ensure high performance, optimized UIs, efficient memory usage, and low battery consumption.
- Implement and maintain client-side security best practices, including secure storage of sensitive data on the device.
- Work on end-to-end development, integrating mobile applications with REST APIs and backend services.
- Conduct code reviews to ensure quality, consistency, and architectural standards.
- Serve as a technical reference, providing mentorship and driving team growth.
- Collaborate closely with Product and Design teams to ensure adherence to functional requirements and a strong user experience.
- Manage the full publishing lifecycle, versioning, and maintenance of apps on the App Store and Google Play.
- Participate in architectural decisions focused on scalability, maintainability, and continuous platform evolution.
Requirements
- Senior-level experience with React Native.
- Advanced proficiency with Expo.
- Advanced proficiency in TypeScript.
- Proven experience publishing and maintaining production apps on the Apple App Store and Google Play.
- Experience with navigation using Expo Router and/or React Navigation.
- Strong knowledge of mobile performance optimization, including memoization, efficient list handling, and rendering.
- Experience with client-side security and handling sensitive data.
- Experience integrating with REST APIs.
- Knowledge of SQL and NoSQL databases.
- Experience with cloud environments and CI/CD.
Benefits
- Flexible working hours
- Career development plan
Applicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills & Tools
React NativeExpoTypeScriptmobile performance optimizationREST APIsSQLNoSQLCI/CDclient-side securitynavigation
Soft Skills
mentorshipcollaborationteam growthcode reviewcommunication