JobCubby JobCubby
Sign up
Necture

Freelance React Native Developer (Mid-Level) – Parental Leave Cover

Necture Vienna, Vienna, Austria · €125K–€166K/yr

IT Services and IT Consulting · 11-50 employees

Oct 30
react Mid (2-5 yrs) Contractor Austria
Create a free account to apply — email only, no card. You can also save this posting or score it against your profile with AI.

Applying here? Try the free cover letter tool — paste this posting and your résumé, no account needed.

About the role

You will take ownership of the Necture mobile app, managing feature implementation and integration with backend services. You will also handle the full release lifecycle for iOS and Android, including store submissions and monitoring.

What they look for

React Native TypeScript Expo EAS Build App Store Connect Google Play Console REST Firebase Supabase Swift Kotlin Jest Sentry Mobile Development Agile

Requirements

Candidates must have 3–5 years of professional mobile development experience, with at least 2 years specifically in React Native. Proficiency with Expo, EAS, and platform-specific build tools like Swift and Kotlin is required.

Full description

Scope

Freelance engagement starting in December 2026 (incl. handover period) for approx. 3 months, based in Vienna.

Workload is flexible and needs-based, expected at around 10–20 hours per week, with a higher share during the handover in December. We’ll align on capacity together on a regular basis.

Mission

Take ownership of the Necture mobile app (iOS & Android), built in React Native with Expo, and its integration with our backend services.

  • Build and maintain features in React Native with TypeScript, from implementation to App Store and Google Play release.
  • Integrate backend services via REST, Firebase (Auth, Realtime Database, Cloud Messaging) and Supabase Realtime, including authentication, state management and offline/error handling.
  • Collaborate closely with backend engineers and product in an agile squad, including code reviews.

Profile

  • 3–5 years of professional mobile development experience, with at least 2 years in React Native.
  • Mobile release ownership on Expo / EAS: EAS Build profiles (dev client, internal QA, production), EAS Submit and signing credentials for iOS and Android.
  • Hands-on with App Store Connect and Google Play Console: TestFlight and internal testing tracks, store review (incl. demo accounts), versioning, staged rollouts and forced updates.
  • Familiar with Expo config plugins, including writing custom config plugins and native modules (Expo Modules API) where needed, with working knowledge of Swift and Kotlin to debug platform-specific build issues (CocoaPods, Gradle).
  • Experience with automated testing (Jest) and release monitoring via Sentry (source maps, release health).
  • Able to get up to speed quickly in an existing codebase and work independently after a short handover.
  • Fluent English; German is a plus.
  • Plus: Experience with Expo SDK / React Native upgrades and the New Architecture.
  • Plus: Interest in AI and agentic products.

Similar roles