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Lead Mobile App Developer: Build

FreelanceJobs
CAPosted March 8, 2026

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ReactSupabaseFirebaseGitHubAPI

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Job Description

We're looking for an experienced Mobile App Developer to build the MVP of a cross-platform mobile application from the ground up and take it through launch on both Apple App Store and Google Play.

The ideal candidate has strong experience developing consumer mobile apps using a modern cross-platform framework such as Flutter or React Native, and is comfortable implementing authentication, user progress tracking, push notifications, and third-party API integrations.

Experience working with backend-as-a-service platforms like Supabase or Firebase is strongly preferred, as well as familiarity with mobile analytics tools and app store submission processes.

You should be able to translate product requirements and wireframes into a clean, scalable architecture, manage version control using GitHub, and deliver a stable, production-ready MVP.

Prior experience launching apps for early-stage startups is a major plus.

Contract duration of 1 to 3 months. with 30 hours per week.

Mandatory skills:

Android, Smartphone, iOS, User Profile Creation, Review or Feedback Collection, User Authentication, Firebase, Stripe API, OpenAI API

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