Mobile Developer
● On-siteLisbon, PTMobileReact NativeTypeScriptExpo
About the role
We're looking for a Mobile Developer to build and maintain cross-platform applications with React Native. You'll work onsite with a tightly-knit product team delivering apps to thousands of end users.
You'll be responsible for implementing features, triaging crashes, and ensuring a smooth release cycle across both iOS and Android.
Requirements
- →2+ years of React Native experience shipping to the App Store and/or Google Play
- →Proficiency in TypeScript and functional component patterns
- →Experience with Expo managed and bare workflows
- →Understanding of mobile performance constraints and native bridge concepts
- →Familiarity with push notifications and device permission handling
Nice to have
- →Experience with Expo Router or React Navigation v6+
- →Knowledge of native module development (Swift/Kotlin basics)
- →Familiarity with Sentry or similar crash reporting tools
- →Prior experience with over-the-air updates (EAS Update)
Assessment process
After applying, you'll take an automated MCQ assessment tailored to the seniority tier you selected. It's time-limited and must be completed in one sitting.
Your score automatically feeds a seniority suggestion, which our consultant team reviews alongside your full profile. No manual score overrides — the system is designed to be consistent and fair.
Apply for this position
Select the seniority tier you'd like to apply for. Each tier has its own test.
JuniorSelected
1–3 years of experience · 25 questions · 35 min
Mid
3–5 years of experience · 30 questions · 40 min
SeniorNot available
Not accepting applications at this tier for this role
TestReact Native · Junior MCQ
Questions25 questions
Time limit35 minutes
Attempts1 attempt only
⚠ The timer starts immediately once you begin. You cannot pause or resume. Ensure you have 35 uninterrupted minutes before proceeding.
You'll be asked to confirm before the test starts.
You can apply to multiple positions simultaneously. Each application has its own independent test.