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Build Backend & Integrations for [login to view URL] (React Native + Firebase + AI + Maps + Payments) About [login to view URL] [login to view URL] is a sustainability app that helps households and businesses hand over recyclable waste to vetted Collection Partners. The app supports bilingual UX (English/Kannada), AI-based waste classification (7 plastic types), transparent pickup tracking, rewards and sustainable products purchase. Current state: React Native (Expo) app with core screens in place and remaining will be developed soon. Backend calls are stubbed Goal Implement a production-ready backend and integrate it with the existing React Native app: Firebase authentication + Firestore data model AI waste classification service (API) Maps & routing (Google-free preferred) Payments (India-first) Ecommerce (sustainable products) In-app charts/visualizations Notifications, analytics, basic DevOps Scope of Work (Deliverables) 1) Authentication & User Management (Firebase) Phone OTP (primary), Google & Apple Sign-In (secondary) Persist session securely; handle first-launch skip vs. registered flows Role support: home_user, business_user, collection_partner, admin Firebase Security Rules (AuthZ) for least-privilege access Crashlytics & Firebase Analytics wired for key events Acceptance: Phone OTP works on real Android build (Expo EAS) Test users & roles provisioned; security rules reviewed
Project ID: 39697078
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84 freelancers are bidding on average ₹48,112 INR for this job

Hello, I trust you're doing well. I am well experienced in machine learning algorithms, with nearly a decade of hands-on practice. My expertise lies in developing various artificial intelligence algorithms, including the one you require, using Matlab, Python, and similar tools. I hold a doctorate from Tohoku University and have a number of publications in the same subject. My portfolio, which showcases my past work, is available for your review. Your project piqued my interest, and I would be delighted to be part of it. Let's connect to discuss in detail. Warm regards. please check my portfolio link: https://www.freelancer.com/u/sajjadtaghvaeifr
₹25,000 INR in 7 days
7.2
7.2

"Let’s build your e-commerce platform with React.js and turn your vision into a high-converting reality! I’ll deliver a blazing-fast, mobile-ready store with: ? Core Features: • Product catalog with filters/search • One-tap mobile OTP authentication • Real-time cart & wishlist management • User review system with moderation ⚡ Performance Optimized: • 90+ Lighthouse scores via code-splitting • Redux for buttery-smooth state management • Firebase-powered backend (Auth, Firestore) ? Business-Ready Extras: • Stripe/PayPal API integration • SEO-friendly product pages • Admin dashboard for inventory You’ll get: ✅ Weekly demos ✅ 100% code ownership ✅ 20% launch discount Have wireframes ready? Let’s discuss how to maximize conversions!"
₹25,000 INR in 7 days
6.5
6.5

Hi, I’ve carefully reviewed your project requirements for building an e-commerce application using React.js. With my proficiency in React.js and experience in developing e-commerce applications, I can seamlessly convert your wireframes into a fully functional app. I will implement key features like product listings, shopping cart, and user reviews while ensuring a responsive design optimized for mobile compatibility. Additionally, I will optimize the app for performance and scalability while integrating Firebase for real-time updates and authentication with mobile OTP. I am well-versed in state management using Redux and integrating RESTful APIs. Let’s connect to discuss how I can bring your vision to life, ensuring a smooth and efficient e-commerce experience. Looking forward to your response. Best regards, Muhammad Adil Portfolio: [https://www.freelancer.com/u/webmasters486]
₹18,500 INR in 6 days
6.1
6.1

My name is Amir and I am well-prepared to tackle your e-commerce app development project. With extensive experience across the MERN stack, I'm fully proficient in React.js and equipped with a deep understanding of UI/UX principles. Your project aligns perfectly with my core expertise as a full-stack developer as I have extensive experience in developing responsive web applications with a focus on clean, scalable code and mobile optimization for cross-platform compatibility. Regarding your specific requirements, I have worked on similar projects before, building powerful applications that integrate well with APIs and have responsive interfaces. Additionally, I am familiar with and have successfully implemented authentication setups like mobile OTPs and firebase Integration which would prove handy in developing robust user login and shopping cart features. Besides technical skills, my clients value my clean, maintainable code, problem-solving approach, and proactive communication throughout the development lifecycle. Understandably, you need a reliable developer to build your vision and ensure its long-term success. That's exactly what I promise to deliver - a highly performant, flexible e-commerce application optimized for scalability.
₹25,000 INR in 7 days
5.2
5.2

Hello, *Project Understanding* I've reviewed the project requirements and understand that: - You need to implement a production-ready backend and integrate it with the existing React Native app - The backend should include authentication and user management, AI waste classification service, maps and routing, payments, ecommerce, and notifications and analytics *My Approach* I'll take a structured approach to develop the backend and integrations: - Implement Firebase authentication and user management with phone OTP, Google, and Apple Sign-In - Develop an AI waste classification service using machine learning models - Integrate maps and routing functionality without relying on Google services - Set up payment gateway and ecommerce features for sustainable products - Display in-app charts and visualizations to track key metrics - Configure notifications and analytics to track key events *My Experience* With 15+ years of experience in software development, I've developed a strong expertise in: - Backend development and integration - Firebase authentication and Firestore data model - AI and machine learning - Maps and routing integration - Payment gateway and ecommerce development Let's discuss how I can help you implement a production-ready backend and integrations for
₹20,000 INR in 7 days
5.3
5.3

Hi, Can you share the wireframes you’ve prepared for the e-commerce application? I can help convert them into a fully functional React.js app, implementing features like product listings, shopping cart functionality, and user reviews. With over 5 years of experience in React.js and e-commerce development, I’ve successfully built responsive applications optimized for performance and scalability. I also have a solid understanding of UI/UX principles and can tackle RESTful API integrations, Redux for state management, and Firebase integration, including authentication setups like mobile OTP. I’ve attached examples of similar work for your review. Let me know if you’d like to discuss this further!
₹25,000 INR in 7 days
5.1
5.1

Hello, I’m Karthik, a React.js developer with 10+ years of experience building high-performance web applications, including e-commerce platforms. I can convert your wireframes into a fully functional, responsive React.js application with all essential e-commerce features—product listings, shopping cart, user reviews, and authentication (including mobile OTP). I have expertise in React.js, Redux for state management, Firebase integration, and RESTful API development, ensuring scalability and optimized performance. My approach focuses on clean UI/UX, mobile compatibility, and fast-loading interfaces to provide a seamless shopping experience. I have delivered multiple React-based e-commerce applications with robust functionality and intuitive design. I will work end-to-end, from development to deployment, providing a polished, secure, and fully functional app aligned with your vision. Examples of previous work and detailed execution plans can be shared on request.
₹33,000 INR in 7 days
5.1
5.1

With 7 years of experience in React.js development, I am the perfect fit for your e-commerce application project. I have the necessary skills and expertise to convert your wireframes into a fully functional React.js application with essential e-commerce features. How I will be completing this project: - Convert wireframes into a fully functional React.js application. - Implement key e-commerce features like product listings, shopping cart, and user reviews. - Ensure responsive design and mobile compatibility. - Optimize the application for performance and scalability. - Integrate Firebase for backend support - Implement authentication setup like mobile OTP What tech stack I will be following: - React.js for front-end development - Redux for state management - Firebase for backend support - RESTful APIs for data exchange - UI/UX principles for an intuitive user experience I have worked on similar e-commerce solutions in the past and have a proven track record of delivering high-quality results. My expertise in React.js and related technologies make me the best candidate to complete your project successfully. Please let me know if you have any questions or need further clarification. I look forward to the opportunity to work on this project with you. Thank you for considering my proposal.
₹12,500 INR in 7 days
5.0
5.0

✅ React.js ✅ REACT NATIVE ✅ JAVA /KOTLIN ANDROID ✅ IOS ✨HIGHLY RECOMMENDED✨ ***** NO UPFRONT PAYMENT ***** I can start immediately, Hi My name is Amarjeet Singh. I have read your job ( ). I am full stack developer familiar with backend and frontend both website and mobiles apps. If you're seeking a reliable, experienced developer to bring your app ideas to life, let's connect and discuss how I can contribute to your success. I'm ready for any Interview or want to discuss anything. I am available at your comfort time and start your work...
₹20,000 INR in 15 days
4.2
4.2

Hello, I am an experienced React.js developer and can convert your wireframes into a fully functional, responsive e-commerce application. The app will include product listings, shopping cart, user reviews, mobile OTP authentication, Firebase integration, and optimized state management using Redux. I will ensure performance, scalability, and an intuitive user experience across devices. I am ready to start immediately and deliver a high-quality, production-ready solution tailored to your requirements. Best Wishes, Fizza Nadeem
₹18,000 INR in 5 days
3.8
3.8

Hello, I liked your project React.js E-commerce App Development, which aligns perfectly with my professional expertise. I bring extensive experience in Python, Mobile App Development, Machine Learning (ML), I can ensure timely delivery within 3 days. I'm committed to exceeding your expectations and would welcome the opportunity to discuss your requirements in detail.
₹12,500 INR in 3 days
3.8
3.8

Hi there, At Raylancer Services, full-stack development is led by Harsh, our highly skilled Lead Developer. With 10+ years of experience and over 1000 successful deliveries, we combine technologies like PHP, MERN, Flutter, and Native mobile platforms to build smart, scalable solutions. Why Work with Harsh & Raylancer Services? + Expertise Across Stack: Web, mobile, backend—Harsh and team cover it all. + Tailored Development: From UI/UX design to deployment, we manage the full lifecycle. + Flawless Quality: Thorough QA ensures a seamless, high-performance product. Let’s talk about how Harsh and the Raylancer team can bring your idea to life with technology that delivers. Best regards, Harsh (Lead Developer) Raylancer Services
₹25,000 INR in 50 days
4.0
4.0

Hello, I’m a results-driven full-stack developer and digital solutions expert with 4+ years of experience delivering high-performing, user-centric web and mobile applications. My approach blends clean, scalable code with modern, conversion-focused UI/UX, ensuring your platform not only looks great but also drives real business results. I specialize in WordPress, PHP, Laravel, Magento, MERN Stack, Shopify, and Flutter (iOS & Android), enabling me to build everything from lightning-fast corporate websites to scalable e-commerce systems and feature-rich mobile apps. Every project I deliver is responsive, SEO-friendly, optimized for speed, and future-ready for easy scaling. Whether you’re launching a new product, revamping your online presence, or building a custom platform from scratch, I bring a strategic, end-to-end approach that covers planning, development, integration, testing, and deployment. My focus is on quality, efficiency, and measurable growth, ensuring your investment delivers maximum ROI. Let’s connect and turn your vision into a powerful digital experience that engages users, strengthens your brand, and achieves top-tier performance in today’s competitive market. Best regards, Arshi.g
₹12,500 INR in 7 days
3.5
3.5

Dear Sir, I’m an experienced React.js developer and I’d love to help turn your wireframes into a fully functional, responsive e-commerce application. I have experience building scalable e-commerce apps with features like product listings, shopping carts, user reviews, Firebase integration, and mobile OTP authentication. What I offer: Conversion of your wireframes into a responsive, high-performance React.js app Integration of RESTful APIs and state management with Redux Optimized UI/UX for seamless desktop and mobile experience Expertise in Firebase authentication, database integration, and real-time updates I can provide examples of previous React.js e-commerce projects on request. I focus on quality, scalability, and timely delivery. Looking forward to discussing your project further. Best regards, Shabahat Habib
₹25,000 INR in 7 days
4.3
4.3

I know exactly how to bring this project to life the right way. I understand the need for a clean, professional, and user-friendly e-commerce application. Implementing essential features like product listings, shopping cart, and user reviews is key for a seamless user experience. Freelancer is a new space for me, but I’ve built a strong track record working directly with clients elsewhere. With proficiency in React.js, e-commerce development experience, and a knack for optimizing performance, I am equipped to deliver a top-notch application tailored to your needs. Let’s keep it simple and get this done right. I’m ready when you are. Regards, VectoLab
₹24,400 INR in 30 days
2.6
2.6

Hi , I can build your production-ready backend with Firebase auth & Firestore, AI waste classification API, Google-free maps/routing, India-first payments, e-commerce, analytics, and notifications—fully integrated with your React Native (Expo) app. I have strong experience with Firebase, React Native, Razorpay/UPI, AI APIs, and OSM-based mapping for real-time logistics. I’ll ensure secure, scalable, and smooth integration from auth to payments, delivering each milestone production-ready. Happy to share relevant work and start with the auth + data model to get things rolling. Best Regards, Deepak
₹25,000 INR in 7 days
2.8
2.8

Hello, That's Great, I will convert your wireframes into a fully functional, responsive React.js e-commerce application with product listings, shopping cart, user reviews, and mobile-friendly design. With 5+ years in React.js development, I have built scalable e-commerce apps with Redux state management, RESTful API integration, Firebase backend support, and secure authentication including mobile OTP. Performance and UX optimization will be applied throughout to ensure smooth browsing and checkout. I prioritize constant communication with my clients, offering them easy access whenever they need assistance or have questions. The Bid amount is subject to change and will be finalized after a complete project discussion. Let's schedule a time to chat, so we can get started. Regards, Smile Mittal
₹20,000 INR in 7 days
3.3
3.3

I believe I am the best fit for your React.js E-commerce App Development project. With over 9 years of experience in Full Stack Development, I have built a strong foundation in both frontend and backend technologies. My proficiency in React.js and related technologies, as well as my experience with e-commerce application development, make me well-suited for your project. Not only can I convert wireframes into a fully functional React.js application, but I can also ensure responsive design, mobile compatibility, as well as optimize the app for performance and scalability. My expertise with RESTful APIs and state management using Redux will be invaluable in implementing essential e-commerce features like product listings, shopping cart, and user reviews. Moreover, I bring to the table my proficiency with Firbase Integration, including Authentication setup like mobile OTP implementation. In addition to delivering high-quality applications that solve real business problems, I have an unwavering commitment to elevating the user experience. This aligns perfectly with your need for a user-friendly app that not only appeals aesthetically but also functions seamlessly. Let's connect and create something impactful together!
₹25,000 INR in 20 days
0.0
0.0

With a solid background in React.js development, eCommerce solutions and, a knack for creating user-friendly interfaces, I am confident that I am the right fit to bring your wireframe sketches to life effortlessly. My proficiency does not end in just conversion but I ensure the final product includes all key requirements in an optimized format. You can expect seamless shopping experience with the implementation of features such as product listings, shopping carts and interactive user reviews. What sets me apart is my expertise with RESTful APIs and state management (Redux), ensuring optimal app performance and scalability even under heavy load. Moreover, my proficiency extends beyond React.js to include Firebase Integration and Authentication setup like mobile OTP etc., assuring you a fully functional, secure and capable e-commerce application.
₹28,000 INR in 7 days
0.0
0.0

I read all details of this project .I have complete knowledge to do this work.I can start working immediately. Let's discuss further.
₹25,000 INR in 7 days
0.0
0.0

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