phoenix
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AI life companion app for managing everyday mental load

  • Posted:
  • Proposals: 24
  • Remote
  • #4491460
  • Open for Proposals
Isaac J.Junaid B.Asad C.Invoked FunctionsRaj S. + 19 others have already sent a proposal.
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Description

Experience Level: Expert
Estimated project duration: 1 - 2 weeks
I am looking for an experienced Flutter/FlutterFlow developer based in the UK, ideally near London, for a paid engagement starting in approximately 6-8 weeks.
The core app is being built by another developer. I need a specialist to handle the final layer of features that require deep iOS and App Store experience:

Push notifications — Firebase Cloud Messaging integration, Apple certificates, provisioning profiles, and scheduled notification triggers from Supabase Edge Functions
Voice input — Whisper API integration, microphone permissions on iOS and Android, audio recording and transcription wired into the chat interface
Voice output — ElevenLabs API integration, Alba speaking responses back to the user
App Store submission — certificates, TestFlight setup, Apple review process guidance and support through to live publication

The app is built in FlutterFlow with a Supabase backend and uses the Claude AI API via OpenRouter for chat. It is a subscription-based iOS and Android app with RevenueCat handling payments.
I am looking for someone I can meet in person or video call in my timezone, who has shipped apps to the App Store before and can work within an existing FlutterFlow project rather than starting from scratch.
Please only apply if you have direct experience with iOS App Store submission and push notification implementation on Flutter.

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Clarification Board Ask a Question

  • Uthman M.

    Hi,

    I am UK-based and available for video calls in your timezone, which I know is a hard requirement so I want to confirm that upfront.

    A few things I want to flag about the scope specifically:

    The push notification implementation via Firebase Cloud Messaging with Apple certificates and provisioning profiles is where most Flutter developers underestimate the work. Getting APNs configured correctly, handling foreground versus background notification states, and wiring scheduled triggers from Supabase Edge Functions are three separate problems that each have their own failure modes. I have been through the Apple certificate chain enough times to know where it breaks.

    Whisper API transcription wired into a chat interface needs careful handling of audio session management on iOS, particularly around interruptions from calls or other apps. If that is not handled the microphone permission will appear to work but the recording will silently fail in certain conditions.

    For ElevenLabs voice output, the streaming audio playback latency is the thing to optimise. Buffering the response in chunks rather than waiting for the full audio file makes Alba feel responsive rather than delayed.

    App Store submission through to live publication including TestFlight setup and Apple review guidance is something I can own end to end.

    Happy to jump on a call this week to discuss the existing FlutterFlow project and confirm the scope before anything is agreed.

  • Haleemat O.

    Is the FlutterFlow project currently using custom code actions for any of the Supabase integration, or is it still entirely on the native FlutterFlow Supabase connector? The reason I ask is that FCM initialisation, the Whisper audio pipeline, and ElevenLabs streaming will all need to live in custom Dart actions, and if the project hasn't broken out of the FlutterFlow sandbox yet, I'll need to factor in some restructuring time rather than just dropping the features in cleanly.

  • Shobi K.

    Hello Matt, Hope you are well today.

    I have a couple of quick questions:-

    -Is your Apple Developer account already set up, or do you need help with that as well?

    -For notifications, Do you already have event triggers defined in Supabase, or should I structure that too?

  • Asad C.

    - Can you walk me through the current state of the FlutterFlow project, what features are already complete, and which parts of push notifications or voice (if any) have been partially implemented?

    - How do you envision the user experience for voice interaction, should it feel like a real-time conversation, or more like record → process → respond, and are there latency expectations we should aim for?

    - Regarding push notifications, what types are you planning (transactional, reminders, re-engagement), and do you already have logic defined in Supabase Edge Functions for triggering them?

    - Have you already set up your Apple Developer account, certificates, App IDs, and provisioning profiles, or would you need full setup and management support from scratch?