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FREELANCE DEVELOPER NEEDED – STABILIZE & IMPROVE REACT NATIVE MARKETPLACE APP (EXPO + SUPABASE + STRIPE) PROJECT OVERVIEW I am developing a peer-to-peer rental marketplace mobile application where users can list items for rent and others can book them. The concept is similar to platforms like Airbnb or Fat Llama, but focused on renting physical items between users. The application is already built and functional. The current priority is stabilizing and refining the existing system, improving reliability and UI consistency before expanding into additional features. This project is NOT about building an app from scratch. The core product already exists. The main goal now is to strengthen the existing architecture, improve stability, and polish the user experience so the platform can scale properly. Because the platform includes booking logic, payments, messaging, and inspection flows, the system already has several interconnected components. I am therefore looking for someone comfortable working with real production-style applications rather than only small prototype apps. ⸻ CURRENT TECH STACK Mobile App React Native (Expo SDK 54) Backend Supabase • PostgreSQL database • Row Level Security (RLS) • Realtime subscriptions • File storage • Edge Functions (Deno runtime) Payments Stripe • PaymentIntent • SetupIntent • Stripe Connect Express for owner payouts • Webhook handling through Supabase Edge Functions Additional Libraries / Tools React Navigation [login to view URL] React Native Maps Expo Image Picker Expo Location ⸻ CURRENT APP CAPABILITIES The core product is already functional and includes several major systems. Marketplace Users can • Post items for rent • Upload photos and descriptions • Browse listings • View owner profiles • Favorite items ⸻ Booking System The booking lifecycle is implemented with controlled state transitions. draft → pending → approved / declined → confirmed → out → returned → completed The system also includes safeguards such as • booking overlap protection • database-level guards • timezone-safe date handling • controlled booking state transitions ⸻ Payments Stripe integration supports • rental payments • deposit model • saved card model • owner payouts through Stripe Connect • webhook confirmation for payment events ⸻ Pickup and Return Inspection The platform includes structured inspection flows designed to protect both renters and owners. These include • condition checklists • required photos • pickup verification • return verification • dispute routing when damage is detected ⸻ Messaging System Users can communicate through per-item chat threads between renter and owner. ⸻ IMMEDIATE PRIORITY (PHASE 1) The primary focus right now is stability and refinement of the current system. Stability Improvements Review and improve • booking flow edge cases • payment flow reliability • Stripe webhook handling • Supabase queries and RLS behavior • error handling • loading states • empty states • potential crash points To help with this process, test reports and documentation of existing issues will be provided. This includes notes on what is currently working well and what parts of the system require improvement. ⸻ UI CONSISTENCY AND MARKETPLACE-STYLE POLISH The interface should also be refined to feel more like a modern marketplace application. Areas of improvement include • consistent component styling • improved screen layouts • smoother navigation transitions • dark-mode friendly design patterns • clearer visual hierarchy • general UI polish so the app feels modern and professional ⸻ CODEBASE IMPROVEMENTS Another important part of this phase is improving the maintainability of the codebase. This includes • better component reuse • clearer code organization • improved separation of concerns • predictable state management patterns • cleaner API handling • improved Supabase query efficiency ⸻ PHASE 2 (PLANNED FEATURES) After the platform becomes stable, the next phase will introduce trust and engagement systems. Reputation Score System Users will accumulate reliability scores based on • completed bookings • reviews • dispute history • reliability signals ⸻ Tier System Example progression Bronze Silver Gold Trusted ⸻ Badges and Achievements Examples include • Reliable renter • Fast responder • Top owner • Verified user ⸻ Referral System Users will be able to invite others and receive referral rewards. ⸻ DEVELOPER REQUIREMENTS This project requires someone comfortable working with real production-style systems. Strong familiarity with the following is important • React Native mobile apps • Expo ecosystem • Supabase architecture • Stripe payment integrations • Postgres database design • asynchronous systems and API interactions Experience with marketplace platforms, payments, or multi-user systems is a strong advantage. Because this application involves payments and booking logic affecting real users, attention to detail and careful engineering practices are extremely important. ⸻ WHAT I AM LOOKING FOR A developer who • has experience maintaining and improving existing production codebases • understands system reliability and real-world edge cases • is comfortable working across both frontend and backend components • writes clean and maintainable code • can think through architecture and long-term scalability This project is ideal for someone who enjoys refining and strengthening complex systems rather than only building quick prototypes. ⸻ HOW TO APPLY Please include • examples of React Native apps you have worked on • GitHub or portfolio links if available • a short description of your experience with mobile apps involving backend systems and payments To confirm that you have read the full description carefully, please start your proposal with the word Marketplace. ⸻ LONG TERM OPPORTUNITY The goal is to build a strong and reliable foundation for the platform. If the collaboration goes well, there will likely be ongoing work expanding the platform with additional features and improvements.
ID Projek: 40292627
38 cadangan
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Aktif 1 bulan yang lalu
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38 pekerja bebas membida secara purata ₹33,462 INR untuk pekerjaan ini

Hi there, I’ve reviewed your project and would be happy to help. With 5+ years of experience in React Native, I build cross-platform apps that are fast, scalable, and user-friendly across both iOS and Android. You’ll get clean code, responsive UI, and timely delivery — with clear communication throughout. Let’s connect and get started! Best, Bhargav React Native Developer | 5+ Years Experience
₹25,000 INR dalam 7 hari
6.9
6.9

Hi, I can help stabilize your React Native (Expo) app, optimize Supabase queries, and improve Stripe payment reliability while polishing the UI for a smoother marketplace experience. I focus on clean architecture, edge-case handling, and scalable code, so your platform is stable now and ready for future features. Lets discuss on chat. Regards Abhishek
₹25,000 INR dalam 7 hari
5.5
5.5

>>>> React Native Developer – Stabilize & Improve Marketplace App <<<< Marketplace – I’m an experienced React Native developer with strong expertise in Expo, Supabase, Stripe, and multi-user marketplace systems. I specialize in maintaining and refining production apps, ensuring reliability, smooth UX, and scalable architecture. I can review and improve your booking flows, payment handling, Supabase queries, and UI consistency, polishing the app into a modern, professional marketplace experience. My approach focuses on code maintainability, predictable state management, reusable components, and careful error handling to prevent crashes and edge-case issues. I have hands-on experience with mobile apps involving payments, real-time updates, and backend integrations, and can provide GitHub/portfolio examples of similar projects on request. I’m ready to start immediately, prioritize Phase 1 stabilization, and support long-term growth with clean, scalable code and ongoing feature improvements. Thanks
₹25,000 INR dalam 7 hari
4.7
4.7

I have experience working with React Native (Expo), Supabase backends, and Stripe payment systems, particularly in applications that involve multi-user workflows, transactions, and complex state transitions. Since your platform already has the core functionality in place, my focus would be on strengthening reliability, improving maintainability, and polishing the marketplace experience. Your project immediately stood out because it involves stabilizing and refining a real production-style marketplace system, which is exactly the kind of work I enjoy.
₹25,000 INR dalam 30 hari
4.2
4.2

Hello Mate!Greetings , Good afternoon! I’ve carefully checked your requirements and really interested in this job. I’m full stack node.js developer working at large-scale apps as a lead developer with U.S. and European teams. I’m offering best quality and highest performance at lowest price. I can complete your project on time and your will experience great satisfaction with me. I’m well versed in React/Redux, Angular JS, Node JS, Ruby on Rails, html/css as well as javascript and jquery. I have rich experienced in React Native, PostgreSQL, Mobile App Development, API Integration, Expo, Payment Processing and Stripe. For more information about me, please refer to my portfolios. I’m ready to discuss your project and start immediately. Looking forward to hearing you back and discussing all details.. Best Regards
₹27,750 INR dalam 6 hari
4.0
4.0

Hi, I've worked with React Native and Expo on several production apps, and I have solid experience with Supabase backend systems, PostgreSQL queries, and payment integrations. I've handled similar scenarios - booking logic, payment workflows, RLS policies, webhook handling - and I know how to identify and fix those hidden edge cases that cause problems once real users start using the system. I'm comfortable working across both frontend and backend. I can review your booking state transitions, tighten up the Stripe webhook handling, optimize your Supabase queries, improve error handling and loading states, and help bring consistency to your UI so it feels like a polished marketplace app. I also understand why attention to detail matters when payments and user data are involved. I can take this on and work through the stability improvements systematically. We can discuss the details over chat - what's currently breaking, what you're seeing in testing, and how you want to prioritize the work. Raj Abhisek Panda
₹30,000 INR dalam 7 hari
4.1
4.1

With my extensive experience as a Full Stack Developer, I am more than equipped to help stabilize your existing mobile marketplace application. I've worked on complex projects like yours before, involving real production-style applications with interconnected components just like your current system. My proficiency with React Native and the Expo SDK, as well as my past utilization of Supabase and Stripe for backend and payment functionalities parallel the skills you are looking for perfectly. The fact that I have previously integrated technologies like Stripe Connect Express for owner payouts, PaymentIntents and Webhooks handling through Deno runtime proves that I can hit the ground running on your project. Beyond just enhancing your existing codebase and increasing its maintainability, my aim is to create a seamless user interface befitting a modern marketplace application. Since UI consistency, polished designs and intuitive navigation are among my core developer strengths, bringing those attributes to your platform comes naturally to me.
₹23,000 INR dalam 12 hari
2.7
2.7

Greetings! I would like to introduce myself as a web graphic "kaya" here in freelancer.com I am Logo and Graphics Design Specialist and in my 11 years experience on Expo, PostgreSQL, Stripe, Mobile App Development, React Native, API Integration and Payment Processing. Quality and creative design in reasonable price. Client satisfaction is main priority and design will be done within reasonable budget and in given time frame. For any query, feel free to contact me at your earliest i will be happy to assist. PORTFOLIO: https://www.freelancer.in/u/KayaCreation Thanks & Regards, kaya
₹13,000 INR dalam 1 hari
1.9
1.9

Hi Marketplace, I understand your priority is to stabilize and refine the existing React Native marketplace app, not rebuild it. With a stack like Expo + Supabase + Stripe, the key will be improving reliability in booking flows, payments, and overall app performance while keeping the architecture clean for future scaling. I can help review the current system and focus on booking edge cases, Stripe webhook reliability, Supabase queries/RLS behavior, and error handling to ensure the platform runs smoothly under real usage. On the frontend, I’ll also improve UI consistency, navigation flow, loading/empty states, and overall marketplace-style polish so the app feels more professional and stable. I’m comfortable working with React Native (Expo), Supabase backend architecture, PostgreSQL, and Stripe payment systems, including debugging async flows and improving API interactions. I also focus on clean code structure, better component reuse, and clearer separation between UI, state, and backend logic to make the codebase easier to maintain. are there specific booking or payment edge cases currently causing the most issues, or should we start with a full stability audit of the flows? I’d be happy to review the repo and your test reports to start stabilizing the platform.
₹20,000 INR dalam 7 hari
2.0
2.0

Hello, Marketplace Thank you for sharing the detailed overview of your platform. Your peer-to-peer rental marketplace sounds like a well-structured product, and I’d be glad to help stabilize and refine the current system. I have experience working with React Native (Expo), backend integrations, and payment systems, including Stripe-based payment flows and real-time backend services. I’m comfortable reviewing existing production codebases, improving booking logic, payment reliability, API handling, and UI consistency, while ensuring the system remains scalable and maintainable. I would be happy to review the current codebase, test reports, and documented issues to identify improvements in Supabase queries, RLS behavior, Stripe webhook handling, and overall app stability. I can also help refine the UI/UX to achieve a more polished marketplace-style experience. Please feel free to share the repository or additional documentation so I can review it and discuss the next steps. Best regards, Raj M
₹25,000 INR dalam 6 hari
2.1
2.1

Marketplace, I see you need a React Native developer to stabilize and improve your peer-to-peer rental marketplace app built with Expo, Supabase, and Stripe. You want to focus on refining the existing system rather than building new features from scratch, which is a smart approach before scaling. Your project involves stabilizing complex booking flows, payment reliability with Stripe webhooks, and improving Supabase queries and RLS security. Additionally, you want UI polish for a modern marketplace feel, including consistent styling, smoother navigation, and dark mode support, alongside codebase improvements for maintainability and scalability. I have worked on React Native apps integrated with Supabase and Stripe, where I improved booking logic edge cases, optimized real-time subscriptions, and enhanced payment webhook handling. I delivered polished UI refinements and restructured code for better component reuse and predictable state management, directly aligning with your stability and polish goals. I can complete the initial stabilization and UI improvements within 4 weeks, ensuring thorough testing and documentation review. Let’s discuss your current issues in detail so I can tailor the refinements effectively.
₹13,750 INR dalam 7 hari
0.0
0.0

Marketplace Hello, my name is Damian Chetty. I am a perfect fit for your project because you are building a clean, professional, user-friendly solution that needs to feel seamless, integrated, and automated rather than clunky or overcomplicated. I specialize in designing and developing clean, intuitive interfaces, smooth integrations, and reliable automated workflows. While I am new to freelancer, I have tons of experience working on real production apps involving React Native, Expo, Supabase, and Stripe payments—delivering polished results that actually work in the real world. I would love to chat more about stabilizing and refining your marketplace app! Regards, Damian Chetty
₹28,150 INR dalam 30 hari
0.0
0.0

As a seasoned Software Engineer with extensive experience in React Native, I firmly believe I'm the best fit for your project. Not only have I developed clean, scalable React Native applications, but I've also honed a proficiency in implementing complex features like booking systems and integration with third-party APIs, such as Stripe. I understand that your current priority is stabilizing and refining your application before expanding into additional features and this aligns perfectly with my skillset and the kind of projects I thrive on. Apart from my knowledge of your existing tech stack, my multidisciplinary background grants me an advantage, one that extends beyond solely developing software. As an Electrical & Electronics Engineer, I have a solid understanding of how software interacts with real-world hardware - a vital skill to ensure seamless integration of your mobile app with devices like payment terminals used for Stripe transactions. Additionally, my expertise in backend technologies such as Flask and MySQL will enable me to handle the Supabase backend efficiently. Another key focus of mine is on UI/UX improvement; something you're also seeking. This aspect marries my front-end development skills to create a modern marketplace feel with dark mode-friendly designs and better visual hierarchy.
₹17,000 INR dalam 7 hari
0.0
0.0

Marketplace stability requires a deep audit of your Supabase RLS policies and Stripe webhook logic to ensure the booking state transitions remain atomic and fail-safe. I will systematically refactor your existing Expo components for better reuse while hardening the edge cases in the pickup and return inspection flows to prevent data inconsistencies. I can start working immediately and will provide daily progress updates throughout the 7-day refinement period, so let's chat to discuss the specific test reports and get this moving.
₹30,780 INR dalam 7 hari
0.0
0.0

As an experienced full-stack developer, my team and I are well-versed in designing and building robust architectures, and this aligns perfectly with your need to stabilize and refine your existing React Native marketplace app. With deep knowledge of React Native, we not only bring a strong foundation in frontend development but can also ensure smooth backend execution, thanks to our proficiency in working with Supabase database and Stripe payment system, which are core components of your app. Having tackled numerous production-level applications, we're no stranger to integrated platforms like yours, what you might call 'admin work.' Our past projects leveraged technologies similar to PostgreSQL for database management, and incorporated detailed booking systems, payments with intricate flows, inspection modules, messaging functionalities-and the list goes on. Our involvement in your project will not end at stabilization. We understand software as an ever-evolving story, and this phase for us will be a stepping stone to Phase 2 where we can further elevate your platform with our strategic yet detail-oriented mindset. We're not just freelancers pitching for this job; we're professionals genuinely excited to bring your vision to life retaining its essence while refining its functionality. Let’s connect to discuss your project in detail and chart out a roadmap that takes your app way beyond a stabilizing stint!
₹15,000 INR dalam 7 hari
0.0
0.0

Hi, Your project is exactly the type of production React Native system I enjoy working on. I’m a Mobile App Developer with 5+ years of experience building and stabilizing scalable apps using React Native, Node.js, PostgreSQL, and API integrations. From your description, the core platform is already strong. My focus would be on stabilizing the booking flow, strengthening Stripe payment reliability, optimizing Supabase queries/RLS, and polishing UI consistency so the marketplace can scale smoothly. What I can help with immediately: • Debug and stabilize booking & payment edge cases • Improve Stripe webhook reliability and error handling • Optimize Supabase queries and backend interactions • Refactor components for cleaner architecture and reuse • Polish UI/UX for a modern marketplace feel I have experience working with real production apps, APIs, and payment systems, and I’m comfortable improving existing codebases rather than rebuilding from scratch. I’d be happy to review the current codebase and help make the platform stable, scalable, and ready for the next phase. Looking forward to discussing the project. Best regards Kuldeep
₹25,000 INR dalam 7 hari
0.0
0.0

No nonsense, Working application with Clean Codebase Architecture will be in your hand. If you're looking for a reliable developer who delivers clean, maintainable code, you're in the right place. I focus on building fully working applications with a clear and scalable architecture, so the project remains easy to maintain and extend in the future.
₹30,000 INR dalam 10 hari
0.0
0.0

Hello, Thank you for posting this project. I have been working on multiple freelance projects and have experience delivering solutions across different industries. My focus is always on understanding the client’s requirements clearly and delivering work that adds real value to their project. I follow a structured process: Understand the project requirements Plan the best approach Deliver high-quality work within timeline Provide revisions and support if needed My goal is always to build long-term working relationships with clients by providing reliable and quality work. Let’s discuss your project so I can suggest the best solution for you.
₹25,000 INR dalam 7 hari
0.0
0.0

Hi, 25 years React/full-stack. Built exactly this type of project before — can deliver clean, tested code fast. $50/hr, available now, can show something working within 48 hours. What's your timeline and the must-have feature for launch?
₹31,875 INR dalam 7 hari
0.0
0.0

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