React Native Mobile Dev

React Native Mobile Developer (Internship – Unpaid)

Location: Remote | Type: Internship | Company: 23 Ventures | 3 - 6 months 

23 Ventures is looking for a passionate and driven React Native Mobile Developer Intern to join our fast-moving team. You'll help us build intuitive, high-performance mobile applications using React Native with Expo EAS, shaping the future of real-time communication, location tracking, and offline-first mobile experiences.

This internship is ideal for someone eager to work hands-on with a modern mobile tech stack and grow in a startup environment with meaningful mentorship.

Tech Stack Highlights:

React Native (Expo EAS) – Fast cross-platform development with OTA updates

react-native-maps, react-native-background-geolocation – Real-time location tracking

react-native-contacts – Secure contact access & syncing

react-native-webrtc – Push-to-Talk voice features

Auth0, Passport.js – Authentication & session management

Twilio SDK – SMS verification

OneSignal / FCM – Push notifications

Realm / SQLite – Offline data storage

Sentry – Real-time error logging & monitoring

Responsibilities:

Build intuitive, responsive mobile UI with React Native (Expo)

Convert Figma wireframes or verbal ideas into polished interfaces

Implement onboarding and authentication flows (Google, Apple, Facebook, Twilio)

Integrate native device features (maps, background location, contacts, notifications)

Develop and maintain real-time voice streaming (WebRTC)

Ensure offline-first performance using Realm or SQLite

Monitor app health and debug using Sentry

Collaborate with backend and product teams to ship fast

What You’ll Gain:

Hands-on experience with a production-grade mobile stack

Exposure to real-world startup product development cycles

Mentorship and ownership of real features with user impact