React Native Expo Developer Needed (API + Auth + Payments)

@chetansdev

Hi, I’m experienced with React Native + Expo and can integrate your APIs, set up Google/Apple Sign-In, and handle in-app subscriptions for both stores. I’ll polish the UI, optimize performance, and deliver clean, launch-ready builds for App Store and Play Store. Best, Sukhdev

@Ghazik

As a seasoned React Native developer with Cura Tech Solution, I am well-equipped to deliver on all aspects of your project. With a strong command of JavaScript and React Native, I have been proficiently integrating API’s, implementing authentication protocols, and crafting in-app payment solutions for a varied array of projects throughout my career. Moreover, my understanding of OAuth and Firebase Auth perfectly aligns with your need for Google Sign-In and Apple Sign-In functionalities. Having delivered a myriad range of app optimization projects successfully, including optimizing codes for better performance and bug-fixing tasks, I share your goal of delivering a handy, user-friendly app experience that is clean and dependable. My skills extend beyond the immediate needs as outlined in your project description; rather I focus on future-proofing the apps by applying the most maintainable coding practices possible. Given our well-honed teamwork approach at Cura Tech Solution, rest assured we will provide you with an exceptional quality of work aligned to your precise needs while keeping smooth lines of communication open at all times. We understand the challenges and complexities inherent to this project but work diligently to overcome every obstacle ensuring successful completion. Let's connect soon to discuss further how we can build a mutually beneficial working relationship. Looking forward to speaking with you soon!

@hirenkhatri108

As a React Native Developer with 6 years of experience, I have a strong background in cross-platform mobile application development. Proficient in React Native, JavaScript, and related technologies, I've consistently delivered high-quality apps with a focus on user experience. My expertise includes scalable architecture design, code optimization, and collaboration within cross-functional teams. I have a proven track record of exceeding client expectations and maintaining industry standards. My adaptable and innovative approach makes me an asset in dynamic environments, where I continue to enhance mobile development standards.

@gauravl3

Hello , I’d love to help make your React Native Expo app production-ready. Since your UI screens are already built, my focus will be on seamless API integration, secure authentication, in-app purchases, and optimization so the app is ready for the App Store and Play Store. ⸻ ✅ Why Me • React Native + Expo Expertise: Hands-on experience building and launching apps on both iOS and Android. • Authentication: Implemented Google Sign-In, Apple Sign-In, and OAuth flows across multiple projects. • In-App Purchases: Integrated Google Play Billing & Apple StoreKit, including subscriptions and one-time purchases. • Launch-Ready Builds: Familiar with store requirements, app signing, TestFlight, and Play Console. ⸻ ? Scope of Work 1. Connect backend APIs with secure token handling. 2. Implement Google & Apple Sign-In using OAuth/Firebase Auth. 3. Add in-app subscriptions/purchases with proper validation. 4. Make minor UI/UX adjustments for polish. 5. Optimize performance & generate signed production builds. ⸻ ? Deliverables • Fully integrated app with Auth, API, and IAP. • Optimized signed builds (iOS IPA & Android AAB/APK). • Documentation & short handover. • Post-launch support for deployment issues. ⸻ ⏱ Timeline Estimated 2–3 weeks depending on testing and store reviews. Looking forward to your response. Best regards, Gaurav

@AdilCodes

I have extensive experience with React Native + Expo, API integration, and secure OAuth (Google/Apple) authentication. I can integrate your custom backend, polish the UI, and implement Play Store/App Store purchases with clean, scalable code. I’ll deliver a fully optimized, launch-ready app on time and am available for future updates.

@dushyant317

I am a seasoned software developer with 13 years of experience in delivering successful projects aligned with your requirements. My expertise in required skills, and I have worked extensively on similar solutions. With a strong academic background from IIT Delhi, I bring both technical depth and practical implementation skills. I am confident that my experience and proven track record will add great value to your project. Looking forward to discussing how I can contribute effectively.

@ProSyncServices

"I am a perfect fit for your project as an experienced React Native developer. I understand the need for clean, professional, and integrated app development. While I am new to freelancer, I have tons of experience and have done other projects off site. I specialize in React Native + Expo, OAuth, and payment integrations. Let's ensure your app is seamless, user-friendly, and launch-ready. I would love to chat more about your project! Regards, Brandon Mitchell"

@divanOos

⚠️I earn your trust through results, not promises⚠️ I think we are the perfect fit for your project as we excel in React Native Expo development. With expertise in API Integration, Auth systems, payment gateways, UI polishing, and app optimization, we can ensure a seamless app experience. My focus is on high-quality work, clear communication, and tailored solutions. Once you see the value we bring, you'll know you made the right choice. Let’s get started — your success is my priority. Regards, Divan

@Nickii21

I can help bring your vision to life, if not it's FREE. Experienced React Native + Expo developer ready to integrate APIs, Google/Apple Sign-In, payment systems, and optimize app for launch. While I am new to freelancer, I have tons of experience and have done other projects off site. I would love to chat more about your project! Regards, Riejhaat

@WaveConnects

"I am a perfect fit for your project, with extensive experience in React Native and Expo. I understand the importance of clean, professional UI screens and seamless API integrations. While I am new to freelancer, I have tons of experience and have done other projects off site. I specialize in API integrations, authentication with OAuth, and in-app purchases for both Google Play Store and Apple App Store. With a knack for minor UI adjustments and a keen eye for detail, I can optimize your app for a successful launch. I would love to chat more about your project! Regards, Tiffany Pienaar"

@harshits184

Hello, I have strong experience with React Native + Expo and can connect your backend APIs seamlessly using Postman collection. I have successfully implemented Google & Apple Sign-In (OAuth/Firebase Auth), handled in-app purchases for both Play Store and App Store, and optimized apps for production launch. I focus on clean, maintainable code, polishing UI, and delivering a stable, launch-ready build. I’m confident I can complete your project on time and ensure smooth future scalability. Looking forward to working together! Best Regards, [Harshit Shrivastav]

@ak2965491

Hello, I can help you make your app production-ready with React Native + Expo. Since the UI screens are already built, I will focus on integrating your backend APIs, implementing Google & Apple OAuth sign-in, and setting up in-app purchases for both Play Store and App Store. I’ll also handle minor UI adjustments, optimize performance, and deliver a launch-ready build. My expertise includes: React Native + Expo (production apps delivered on both Android & iOS) OAuth/Firebase Authentication (Google & Apple sign-in) In-App Purchases & Subscriptions (Play Store & App Store) API Integration (Postman collections, custom backend APIs) Clean, maintainable code following best practices I’ve successfully delivered mobile apps with authentication, payments, and API integrations, and I can ensure a smooth launch process for your app. Looking forward to collaborating with you and supporting future updates as well. Best regards, Arun Kumar

@PremchandGat

As a seasoned engineer with a diverse background encompassing everything from circuit design to mobile app development, I believe I am the ideal candidate for your React Native Expo project. With a strong track record of designing reliable and efficient solutions for renowned institutions like IIT Mandi and IIT Bombay, I possess the ability to not just develop but deliver refined products —a quality I think your project deserves. I have ample experience with React Native and Expo, as well as the required skill set for implementing OAuth, Firebase Auth, and integrating App Store and Play Store payment systems. My clean coding practices ensure maintainable programs, which is essential for updating and enhancing apps as you mentioned for future purposes. Moreover, having worked extensively on complex projects, honing my problem-solving skills is something that sets me apart. I don't just build working software; I build SOFTWARE THAT WORKS SEAMLESSLY. Let's get started on making your app production-ready while maintaining the highest levels of quality and craftsmanship that you deserve!

@hirenv23

Hi, I have experience integrating payments (Razorpay) and implementing OAuth2 authentication with Google Sign-In using NestJS. I can smoothly handle your API integrations, Google/Apple sign-in, and in-app purchases for both Play Store and App Store. I also ensure clean, maintainable code and can optimize the app for a production-ready build. If satisfied, I’d be glad to support future updates as well.

@azwa04

Hi, I can easily FIX your work IN 24 HOURS, DM me now to get started, PRICE NEGOTIABLE 100% Work satisfaction is provided!

@Ravindra975

With my broad and in-depth experience in React Native Expo, API Integration, Firebase/Auth, and Payment Gateway Integration, I am confident that I am the right developer for your project. I have successfully integrated numerous APIs into mobile apps and effectively carried out Google and Apple Sign-In methods using OAuth for various apps. Furthermore, my expertise with the App Store and Play Store payment integrations will enable me to seamlessly implement your in-app purchases functionality. My precise coding practices ensure top-notch performance and clean code, which translates to a production-ready app. Having optimized numerous applications before, I understand the importance of fine-tuning your app for speed, efficiency, and user satisfaction. With a thorough understanding of the Postman collection provided and my ability to think critically during problem-solving, rest assured that your existing backend APIs will be seamlessly connected. I take immense pride in delivering high-quality work within set timelines. Additionally, my commitment to client satisfaction means that even after this one-time project, I'll still be available for future updates and enhancements. It would be an honor to leverage my expertise to help not only make your app launch ready but also drive its long-term success.

@ahsan1o

Hello, I’m an experienced React Native Expo developer with proven work on production-ready apps. I’ve recently built MallNav, a mobile-first navigation app (React Native + Expo + Firebase for auth & real-time tracking), and worked with OAuth/Firebase Auth as well as API integrations from custom backends. ? Relevant Experience Integrated Google Sign-In & Apple Sign-In (OAuth & Firebase). Set up in-app purchases & subscriptions (Google Play + App Store). Hands-on with Expo, API integration (Postman collections), and role-based authentication. Delivered apps optimized for performance and compliant with App Store/Play Store publishing standards. ? What I Will Deliver Smooth API integration with your backend Google & Apple Sign-In for signup/login In-app purchase integration (Play Store + App Store) Minor UI/feature adjustments for polish Optimized, launch-ready build for both platforms ? Estimate: ~₹10,000 (based on integrations & polish) ⏱️ Timeline: ~2 weeks for a clean, stable release I’d be glad to make your app production-ready and available for future collaboration. Best regards, Ahsan Abbas Malik