
In Progress
Posted
Paid on delivery
React Native / Expo Developer for Mobile Consumer App Description: We are looking for an experienced React Native / Expo developer for a new consumer mobile app for iOS and Android. The product includes content browsing, user accounts, image upload, API-based personalized media generation, subscriptions/credits, saved results and sharing. We already have an early prototype and will work with a product designer. We need a reliable engineer for a milestone-based build and App Store / Google Play release preparation. Required skills: React Native, Expo and TypeScript Secure media upload/storage Third-party AI/media API integrations Async jobs, loading states and API error handling RevenueCat / in-app subscriptions and credits App Store Connect and Google Play Console experience GitHub, analytics and crash reporting First step: A small paid technical task: review the existing prototype and propose a simple architecture plus a short implementation plan. Please send: 2 published mobile apps you worked on Your exact role Relevant API/subscription/backend experience Fixed price for the paid discovery task Timeline and availability
Project ID: 40721408
274 proposals
Remote project
Active 4 days ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs

Merhaba, bugün nasılsınız? Honestly, the thing that'll actually annoy your users isn't a slow generation, it's a generation that fails silently and still takes their credit, that's the one bug that turns a paying subscriber into a refund request. I have built secure media handling with signed URLs on Grail and Warranty Wallet, both centered around capturing and processing media reliably. RevenueCat I have used before for subscription and credit-based models, and Supabase, auth, Postgres, storage, RLS, Edge Functions, is core to how I structure backends needing proper row-level data isolation. For AI media integration, I have worked with async generation workflows including [login to view URL] and Replicate style APIs. I'd build a proper job status system, submitted, processing, complete, failed, with retry logic, so credits only get deducted on confirmed success, never on an ambiguous or failed state. Sentry, PostHog, and Firebase Analytics style tracking I have integrated before too, wired in from the start rather than added after launch. For the admin panel, I'd build it in [login to view URL], similar to what I built for [login to view URL]'s dashboard managing users and content. Once I can see the Figma designs, I can give you a much sharper timeline and point out anything in the async flow worth flagging early. Best, Hussain
$900 USD in 7 days
0.0
0.0
274 freelancers are bidding on average $440 USD for this job

Hi, I can help stabilize and scale your consumer app by reviewing the current Expo/TypeScript prototype, mapping the core user journey, and defining a clean architecture for auth, uploads, generation requests, result storage, and subscription checks. I’ll also identify where retries, loading states, and crash tracking should be implemented to keep the app reliable during slow or failed media jobs. My initial focus would include: Reviewing the prototype structure Mapping the main consumer flow Defining API/job handling Planning RevenueCat integration Flagging App Store and Play Store release risks I have experience with mobile app architecture, async media workflows, subscription handling, and cross-platform release readiness. The key risk areas you mentioned—upload reliability, async processing, credit/subscription state, and sync across iOS and Android—are exactly where I’d focus first. One quick question: does the media generation API return a job ID with polling or webhook completion, or is it a synchronous response? I can review this via Freelancer chat or video call, 11 AM–8 PM IST. If you’d like, I can start with the prototype audit right away.
$287 USD in 12 days
9.5
9.5

Hello, I am confident in my ability to take your existing prototype and deliver a robust, user-centric app for both iOS and Android using React Native/Expo. My familiarity with mobile development, backend systems, and AI-driven solutions equip me to handle the technical elements and deliver an end-to-end app experience. Your project outlining the need for secure media upload/storage, third-party API integrations and AI management aligns closely with my skill set. Over the years I have worked on various apps that required intricate APIs, especially those involving media and AI processing. My experiences in [mention relevant apps] successfully integrating these functionalities not only validate my skills but also assure you that I can tailor the app precisely to your needs. Aside from my technical expertise, what sets me apart is my commitment to taking ownership of a project from start to finish. With me on board, you will have a dedicated partner who will not only stick around just for development but who will also take care of deployment and maintenance post-release. I look forward to putting our collective ideas into action in building this impactful consumer AI app.
$1,500 USD in 20 days
8.9
8.9

Hi — Elias here from Miami. I see you're looking to build a mobile consumer app using React Native and Expo. This project seems centered on providing a seamless user experience while integrating AI features, which is a promising direction. What usually matters most here is ensuring scalability and maintainability. A common issue in systems like this is managing complex workflows and integrations, especially as user demands grow. The tricky part is usually ensuring the app can handle various user roles and maintain performance as new features are added. My approach would involve structuring the app with a clear focus on future-proofing. I’d prioritize clean architecture, ensuring that components are modular and easy to update. This would not only enhance stability but also make it easier to integrate new AI functionalities as they evolve. I've worked on similar projects where we successfully balanced user experience and backend efficiency, which helped in mitigating potential risks. A few questions to better understand the scope: Q1 – What specific AI features are you envisioning for the app? Q2 – How do you plan to manage user roles and permissions within the app? Q3 – Are there existing APIs or services you want to integrate with? Happy to go through the details and suggest the best technical approach. Looking forward to hearing from you.
$500 USD in 5 days
8.5
8.5

Hi there, I can build your React Native/Expo consumer app for both iOS and Android with TypeScript, secure image uploads, personalized media API integration, subscriptions/credits, saved results, sharing, analytics and crash reporting. I have an experienced mobile development team and can handle the complete process from the existing prototype and architecture through App Store and Google Play release. I’m also comfortable starting with your paid discovery task to review the prototype, propose the architecture and provide a clear implementation plan. Could you share the existing prototype so I can review it and confirm the fixed price and timeline for the discovery task? Kindly send me a message to discuss more or directly award me. Thank you!
$350 USD in 8 days
8.1
8.1

Hi there, We understand you're looking for a skilled React Native/Expo developer to build a consumer AI mobile app for iOS and Android, featuring content browsing, user accounts, and personalized media generation. Our team at Webbook Studio has experience with similar projects, such as a music voting mobile app built with React Native and a furniture store mobile shopping app using Flutter. We're confident in our ability to handle React Native, Expo, and TypeScript, as well as secure media upload, third-party API integrations, and in-app subscriptions. We'd be happy to review your existing prototype and propose a simple architecture plus a short implementation plan for a fixed price. Can you tell us more about your current prototype and what specific features you'd like us to focus on during the technical task? Feel free to message us to discuss the details! — Webbook Studio
$300 USD in 10 days
7.7
7.7

Personalized media generation apps live or die on the async layer: long-running AI jobs, credit deduction that must never double-charge, and upload pipelines that survive flaky mobile networks. That's the part I'd design first. I've shipped 80+ apps since 2008, including React Native/Expo releases through App Store Connect and Google Play, and I've built multi-provider payment and subscription/credit systems where transaction integrity mattered. Approach: (1) paid discovery — audit your prototype, deliver an architecture doc covering navigation, state, secure signed-URL uploads, job queue and credit ledger; (2) milestone build with TypeScript, RevenueCat, Sentry and analytics wired early; (3) store submission prep with TestFlight/internal testing and post-launch support. I'll send two published apps and my exact role on each. What AI/media API are you currently calling?
$450 USD in 7 days
7.5
7.5

The brief is clear; I’d prove the critical path first, then expand from working evidence. For a Build iOS/Android App with React Native/Expo. - Consumer AI App, the key is not just the screens but keeping the API and platform-specific behavior stable across devices. My approach would be to first define the input schema, generation rules, and output validation, then build the workflow around those controls so AI output stays consistent. Quick question: Do you already have a preferred OTP provider and retry/fraud policy, or should that be designed with the delivery? Also, which external integrations are absolutely required for MVP, and which can be staged after launch? Best, Dr. Syafiq
$500 USD in 21 days
7.4
7.4

✅Consumer AI App| React Native | Firebase |Mobile App Development Expert Hi, Hope you are doing good. I have read your requirements carefully and can give you 100% assistance as a React Native Developer for building or enhancing your mobile application. I specialize in creating fast, stable, and scalable apps for both iOS & Android, backed by a secure and efficient Firebase architecture. I’d love the opportunity to discuss your idea further and collaborate on developing a modern, intuitive, and impactful app. (Note: Please consider the current budget as flexible — we can finalize it after discussing the complete scope.) Thanks & Regards, Ashraf
$750 USD in 7 days
7.3
7.3

Hi, I’d be happy to develop Build iOS/Android App with React Native according to your requirements. I’m available to start working on the project immediately. I have 6 years of experience in React.js, Node.js, React Native, Android, Flutter, iOS, backend development, API integration, and UI/UX design. I can help with the complete development process, from UI implementation to backend/API integration and deployment. You can view my profile here: https://www.freelancer.com/u/simk33 I’d be happy to discuss your requirements, project scope, timeline, and expectations in more detail. Please feel free to connect with Regards, Simran
$300 USD in 12 days
6.9
6.9

Hi, I'm comfortable with first small paid task to find out if i could be the right fit. I'll put fact upfront. I'll use native android/ios platform if this is something you are comfortable then I'm happy discuss it further. I'll be sharing the portfolio and other stuff you have mentioned. Looking forward to hearing back from you soon. Thanks!
$500 USD in 7 days
6.6
6.6

★★★ REACT NATIVE / EXPO SPECIALIST ★★★ Hi, I will review the existing prototype and propose a simple architecture using React Native and TypeScript. My approach will include: - Analyzing the current codebase to identify areas for improvement and optimization. - Designing a scalable architecture that supports user accounts, image uploads, and API-based media generation. - Implementing secure media upload and storage solutions, ensuring compliance with best practices. - Integrating third-party AI/media APIs for personalized content generation. - Setting up RevenueCat for in-app subscriptions and credits management. - Establishing async job handling and error management for API interactions. - Preparing the app for submission to App Store Connect and Google Play Console, ensuring all guidelines are met. To get started, I will need access to the existing prototype and any documentation related to the current architecture. For the paid discovery task, I propose a fixed price of $500 and can deliver within 5 days. Thanks!
$250 USD in 2 days
6.4
6.4

Hi there, Hope you are doing well I’d love to help build your consumer AI mobile application for iOS and Android using React Native, Expo, and TypeScript. we have experience developing consumer mobile apps with API integrations, AI-powered workflows, media handling, subscriptions, analytics, and production deployments. Recommended Tech Stack Mobile: React Native + Expo Language: TypeScript Backend/API: Node.js / NestJS or your existing backend Key Features User registration, login, and account management Content browsing and personalized experiences Secure image upload and cloud storage AI-powered personalized media generation Async processing with clear loading/progress states API error handling and retry mechanisms Saved/generated results Sharing functionality Subscription and credit management Push notifications where required Analytics and crash monitoring App Store & Google Play release preparation Thanks & Regards Dheeraj K.
$250 USD in 5 days
7.0
7.0

Most third-party AI generation APIs hand back a job id with no reliable webhook, so on iOS the client ends up polling regardless of what the docs promise, and once the app backgrounds that timer stops within seconds unless the poll moves server side. That's the piece I'd want settled before touching anything else. For the discovery task I'd go through the prototype, map how generation requests flow today, and sketch an architecture built around a job queue, server-side status polling, credits held pending until a result lands, and RevenueCat entitlements checked at the point of upload rather than only at purchase. The failure mode on this kind of pipeline is almost always a credit spent on a job that silently dies, so the state machine needs to be explicit, not implied by the UI. M1: prototype review and architecture sketch for the generation pipeline, $250, 2 days. M2: implementation plan for job queue, polling, credits ledger and RevenueCat gating, $300, 3 days. M3: written handover covering the state machine, edge cases and a rough build estimate, $200, 2 days. 750 across the week is what the brief as posted supports. The real unknown is which generation API you land on and how it reports status, and that's what moves the number once it's in front of me.
$750 USD in 7 days
6.5
6.5

Hi I will be able to help you. Please message me so that we will have detail technical discussion. I have 9+ years of combined experience in Mobile Application development, Website development, Desktop application development, 3rd party Artificial Intelligence api, AR/ VR, Chatbot, Blockchain- Cryptocurrency, CRM & ERP, Game Development and any other Software development. I am having expertise in Native on Android Java, Kotlin and IOS Swift, and For Hybrid Cross platform on Flutter Dart & React- Native, and for web and backend on react js and node js, Python Django. Please consider me and initiate a chat for further detailed discussion. Regards, Anju
$300 USD in 7 days
6.6
6.6

Hi, From prototype to production, the lift is keeping media, auth, and async AI calls reliable across iOS and Android, with onboarding and checkout. I’ve worked on similar content-first RN/Expo apps with managed media, AI integrations, and subscription models; I focus on clear contracts, robust error handling, and measurable milestones. Execution: I’d start by validating the current flow, align API contracts for the media API, and implement a minimal, testable path for the first milestone that surfaces clear loading states and solid upload handling. One technical risk: Async AI responses can drift under latency; we’ll need timeouts and retry strategies. Two clarification questions: 1) What should happen if an image upload fails or an AI call times out, retry policy and user-facing fallback? 2) What data should be synced across devices for saved results and credits, and who owns it in case of account changes? If we're aligned, I can outline the implementation plan before we get started. Best regards, Brandon
$300 USD in 3 days
6.1
6.1

Hi there, Building a consumer app with complex features like real-time media generation, asynchronous jobs, and in-app subscriptions often leads to poor UX if loading states and API error handling are not handled with absolute precision. My solution leverages a robust TypeScript and Expo architecture, ensuring seamless background processing, bulletproof RevenueCat integration, and optimized media handling for both iOS and Android. To tailor my approach, here are my questions: 1. Which third-party AI or media generation APIs are you currently integrating with the app? 2. Are the backend endpoints and database already fully set up, or do we need to refine those during the discovery phase? For the paid technical task, I can review your prototype, deliver a clean architecture proposal, and outline the implementation plan within 48 hours for a fixed price of one hundred dollars. Drop me a message so we can get started right away.
$750 USD in 18 days
6.0
6.0

Hey, I see you're looking to build a consumer AI app using React Native and Expo. That's an exciting project! Your goal of creating a mobile app that leverages AI for user engagement definitely stands out. With over 10 years of experience in mobile and backend development, I’m confident I can help you deliver a robust solution. I have a strong background in React Native and API integration, which I believe are critical for your app's success. Plus, my familiarity with both iOS and Android platforms means I can ensure a smooth experience across devices. Let’s chat about your vision and any specific features you have in mind. I'm here to help you bring this project to life! Clarification Questions: 1. Could you share more about the specific AI functionalities you want to implement in the app? 2. Are there particular APIs or third-party services you plan to integrate, or are you looking for recommendations? 3. What’s your target audience for the app, and how do you envision user interaction with the AI features?
$500 USD in 6 days
6.6
6.6

Hi, I am Adeel. I shipped ComicBase, a mobile app for cataloguing and browsing a collection, live on both the App Store and Google Play. That taught me what actually trips up store review and release prep, which is usually the part people underestimate. For your app I would start with the paid discovery task: review your prototype, then propose an architecture covering media upload, async job handling for the generation API, and where RevenueCat sits for subscriptions and credits. I work in React Native and TypeScript for cross platform builds and have integrated third party AI and media APIs with proper error handling and loading states before. Which AI or media generation API are you already using in the prototype?
$250 USD in 3 days
6.0
6.0

Hi, Your app needs more than a basic React Native build, especially around secure image uploads, personalized media generation, saved results, sharing, and subscription or credit flows. The async API work and reliable loading and error states will also be important for a good consumer experience. I would use React Native with Expo and TypeScript, keeping API and media handling modular so the app remains easy to extend. I would also structure RevenueCat, credits, analytics, and crash reporting carefully, with release requirements considered from the start for both App Store and Google Play. For the paid technical task, is the existing prototype backed by working APIs, or should the architecture plan account for replacing mocked data and flows? Looking forward to working together. My portfolio, https://www.freelancer.com/u/zainalitariq245 Best regards, Zain A..
$700 USD in 20 days
6.5
6.5

Hello Sir, I have already worked on similar types of website and software development projects and I am confident that I can successfully handle your project. I am a full-time freelancer with **17+ years of experience** in web development, software development, automation, and API integrations. My expertise includes: * Android app development * ASP.NET C# web and software development * Python automation and web scraping (Amazon, Instagram, Facebook, Google Maps, LinkedIn, Telegram, and other custom scraping solutions) * JavaScript, jQuery, AJAX, Bootstrap, HTML5 * Microsoft SQL Server database development * Payment gateway integration * SMS, Email, Banking, Financial, and Insurance API integration * Custom automation bots and workflow automation software I focus on delivering **high-quality, scalable, and reliable solutions** with clean code and long-term support. Please contact me in private chat so we can discuss your requirements in detail. I can also show you a **demo of similar projects** I have completed. Looking forward to working with you. Thanks & Regards
$750 USD in 3 days
5.6
5.6

İstanbul, Turkey
Payment method verified
Member since Aug 30, 2021
$30-250 USD
$10-30 USD
$250-750 USD
₹37500-75000 INR
₹750-1250 INR / hour
₹250000-500000 INR
₹750-1250 INR / hour
₹100-400 INR / hour
₹1500-12500 INR
$15-25 USD / hour
₹750-1250 INR / hour
$3000-5000 AUD
₹12500-37500 INR
$30-250 USD
$50000-100000 USD
$250-750 USD
₹100-400 INR / hour
$30-250 CAD
₹750-1250 INR / hour
$1500-3000 USD
₹750-1250 INR / hour
₹12500-37500 INR
₹37500-75000 INR