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Mobile App Developer Needed for Routine Tracker App Finalization and adding ai features

FreelanceJobs
CAPosted February 23, 2026

Job Description

:

We are looking for an experienced Flutter developer to complete and enhance a daily routine tracker app currently deployed on TestFlight.

The app uses Firebase as its backend and requires final development work across several features, as well as integration of OpenAI GPT for premium AI functionality.

Key Tasks Include:

  • UI improvements & updating onboarding screens
  • Adding a couple of pages or features
  • Finalize inapp purchase and subscription logic for premium features
  • Integrate n8n & OpenAI GPT API for AI features and ai assistant
  • Ensure all components are functional, interactive, and bugfree

Timeline:

  • Must be completed within 1–3 weeks from project start.

Tech Stack:

Flutter, Firebase (Auth, Firestore, Functions) OpenAI API, n8n

Deliverables:

Fully functional and production-ready app with all features implemented, tested, and integrated with OpenAI for personalized AI suggestions.

Preferred Qualifications

  • Proven experience with Flutter, Firebase, OpenAI GPT & n8n integration
  • Strong grasp of mobile UI/UX best practices
  • Ability to deliver within strict timelines

If this interests you, send us your price proposal and estimated completion date so that we can schedule time for a meeting.

Contract duration of 1 to 3 months.

Mandatory skills:

Android, Smartphone, iOS, Mobile App Development, Android App Development

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