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I’m ready to move from sketches to a working, production-ready Grocery Management application that runs smoothly on Android devices and in any modern web browser. Here is the core scope: • Users must be able to register, sign in and manage their own data, so please include a secure account system with email/password (social login is a plus but optional). • The heart of the product is a dynamic shopping-list creator. Items can be added manually or through real-time barcode scanning—on Android via the camera and on web via webcam or manual barcode entry. • After items are saved, the app should suggest recipes that intelligently use what’s already on hand; a simple rule-based engine is fine to start, as long as the data model keeps the door open for future machine-learning enhancements. Deliverables I expect: 1. Android APK plus full source (Kotlin or Flutter preferred, but I’m flexible). 2. Responsive web app (React, Vue or similar) deployed to a test URL. 3. Shared backend (cloud-hosted PostgreSQL or Firebase) with well-documented REST or GraphQL API powering accounts, lists, barcodes and recipes. 4. Clear README covering build/run steps and brief video or screenshots showing the key flows. Acceptance criteria: a new user can sign up, scan or type at least three items, see them on both platforms without refreshing, and receive at least one recipe suggestion that uses two or more scanned items. Once this demo flow is solid we’ll iterate on polish and extra features in later milestones. If you’ve built cross-platform apps that connect camera input with a unified backend and you can hit the above checklist, I’d love to see your proposal along with a realistic timeline.
Project ID: 40686035
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126 freelancers are bidding on average ₹1,088 INR/hour for this job

Building this as a connected Android + Web product requires more than just two separate interfaces—the barcode, shopping-list and recipe data need to stay synchronized through one reliable backend. We can develop the MVP with a scalable architecture covering: • Secure user registration and authentication • Android barcode scanning through the device camera • Webcam/manual barcode input for the web application • Real-time shopping-list synchronization across both platforms My recommended approach would be Flutter for Android, with a responsive web application and PostgreSQL/Supabase backend for authentication, real-time synchronization and data management. This will keep the initial architecture clean while allowing the product to grow without needing a major rebuild. The development would be structured in milestones: 1. UI/UX and database architecture 2. Authentication and shopping-list management 3. Barcode scanning on Android and Web 4. Real-time cross-platform synchronization 5. Recipe recommendation engine A key question before finalizing the scope: do you already have a recipe dataset/API in mind, or should we include an initial curated recipe database for the MVP? Relevant portfolio: https://www.freelancer.com/portfolio-items/11539740-microlent-systems-portfolio Let's discuss the initial data flow and preferred platform architecture. Regards, Jenifer
₹1,000 INR in 40 days
9.6
9.6

Hi there, Jas this side from Logictrix and I am ready to work on your app with my team and with a promise for long term support in fairly low cost. Please just give me your few minutes for the chat so that we can discuss all the important points about project as well as we can clarify any queries from both side to go ahead further for final agreement. We are expert in AI development and we used many AI platforms like openAI, Freepik, Antigravity, Cursor etc for App development and other AI work. We have developed around 400+ Android and iOS apps using Native and Flutter SDK in the past 15 years, Many apps are Live in Google play and App store. We will share our detailed portfolio over the Chat once we connect. Looking forward to your reply... Thanks and Regards Jas
₹1,000 INR in 40 days
9.7
9.7

Hello We are Ominfowave Software Services Pvt. Ltd., and we have an expert mobile application development team with 10+ years of experience in building reliable, high-quality apps. ? Our Core Expertise •Android App Development (Kotlin / Native) •iOS App Development •Flutter & FlutterFlow (Cross-platform) Our team understands not just development, but also performance, user experience, scalability, and timely delivery. ? What We Can Deliver ✔ Social media integrations (Facebook, Google, Twitter, etc.) ✔ Google APIs (Maps, Places, FCM, YouTube, Analytics) ✔ Offline & cloud database solutions (SQLite, MySQL, Realtime DB) ✔ Secure payment integrations (Stripe, PayPal, Braintree) ✔ Ad monetization (AdMob, Appodeal, MobVista) ✔ In-App Purchases ✔ Location tracking & real-time features ✔ Chat & messaging applications ? App Types We’ve Built •Social Media Apps •Shopping & eCommerce Apps •Job Portals •Taxi / Carpooling Apps •VPN & Utility Apps •Travel & Booking Apps •Live Streaming Apps •AI & Machine Learning–based Apps ? Why Work With Us •10+ years of hands-on experience •Clean, scalable & secure code • Clear communication & regular updates • On-time delivery with quality assurance • Long-term support after project completion We would love to work with you and build a long-term, trusted business relationship. Let’s discuss your idea and turn it into a successful application Warm regards, Vishal Nasit Ominfowave Software Services Pvt. Ltd.
₹1,100 INR in 56 days
8.5
8.5

Hello, At CANWS, we have specialized in Flutter mobile app development and understand the power of advanced technology in streamlining business processes. We also possess in-depth knowledge and hands-on experience with REST APIs, PostgreSQL and cloud hosting which are essential components of your project. Efficiency is the core principle behind our work and this is demonstrated by our ability to produce production-ready applications that scale and run smoothly on different devices and platforms. This aligns with your demand for an Android APK, full source code, responsive web app, and well-documented REST or GraphQL API. Moreover, having built numerous back-end focused applications and a comprehensive understanding of front-end needs, we can bridge the gap between the camera inputs and your unified back-end efficiently. Our commitment remains not just in meeting your initial expectation but also supporting your project in the long term as a formidable technology partner. Choose me; choose reliability, scalability, and an uncompromising approach to quality.
₹750 INR in 40 days
7.5
7.5

Hi I can build your Smart Grocery Manager App with seamless cross-platform sync using Flutter/React and a robust backend. I’ll implement secure auth, real-time camera/webcam barcode scanning, and a smart recipe-matching engine. Expect a clean Android APK, responsive web app, and full documentation within a realistic timeline. Let’s discuss more in chat to start immediately. Best Regards Techwelfare
₹1,000 INR in 40 days
7.6
7.6

Your recipe-suggestion engine will fail if the barcode-to-ingredient mapping isn't normalized at the database level. Without a proper taxonomy table linking UPC codes to standardized ingredient names, you'll get duplicate entries like "tomato," "tomatoes," and "cherry tomatoes" that break your matching logic. Quick questions - are you planning to use an existing product API like Open Food Facts for barcode lookups, or do you need a custom catalog built from scratch? And what's your expected concurrent user load at launch so I can size the PostgreSQL connection pool correctly? Here's the architectural approach: - FLUTTER + KOTLIN: Single codebase for Android and web with native camera access via platform channels, barcode detection through ML Kit on mobile and QuaggaJS fallback on web. - POSTGRESQL: Relational schema with junction tables for user-item-recipe relationships, indexed barcode column for sub-50ms lookups, and JSONB fields for flexible recipe metadata that supports future ML feature vectors. - REST API: Node.js backend with JWT authentication, rate-limited endpoints to prevent abuse, and Redis caching layer for frequently accessed recipe queries to keep response times under 200ms. I've built similar inventory-tracking systems for two retail clients that processed 10K+ barcode scans daily without performance degradation. Let's schedule a 20-minute call to walk through the database schema and API contract before you commit to a build timeline.
₹900 INR in 30 days
6.7
6.7

Hello there, Hope you are doing well I can build your Smart Grocery Manager as a production-ready Android + responsive web application with a shared backend, real-time synchronization, barcode scanning, and recipe recommendations. The key focus will be making the core flow reliable: sign up → add/scan groceries → sync across platforms → receive relevant recipe suggestions. Key Features Android App Secure email/password registration and login Personal grocery/shopping lists Add, edit, delete and mark items Real-time barcode scanning using the device camera Manual barcode entry Item quantity/category management Grocery data synchronized with the backend Recipe suggestions based on available items Responsive Web App Same account and grocery data as Android Responsive UI for desktop/tablet/mobile browsers Webcam barcode scanning where supported Manual barcode entry Real-time list updates without page refresh Recipe discovery and ingredient matching Backend & Data Secure authentication and user-specific data Centralized PostgreSQL database REST API for users, grocery lists, barcodes and recipes Real-time synchronization between Android and web Extensible recipe/ingredient data model Rule-based recommendation engine initially, structured for future ML/AI enhancements Recommended Tech Stack Mobile: Flutter + Dart Web: React.js + TypeScript Backend: Node.js + NestJS Database: PostgreSQL
₹1,000 INR in 40 days
7.2
7.2

Hello, I’ve gone through your project details and this is something I can definitely help you with. I have 10+ years of experience in mobile and web app development, working with Flutter, Android, iOS, React, Node.js, and APIs. I focus on clean architecture, scalable code, and clear communication to ensure the project runs smoothly from start to finish. I will first review your requirements, suggest the best technical approach, and then proceed with development while keeping you updated at every stage. Here is my portfolio: https://www.freelancer.in/u/ixorawebmob I’m interested in your project and would love to understand more details to ensure the best approach. Could you clarify: What specific features do you envision for the recipe suggestion engine? Let’s discuss over chat! Regards, Arpit Jaiswal
₹1,898 INR in 27 days
7.5
7.5

With more than 8 years of experience and over 200 successful projects under my belt, I am the ideal candidate for your Smart Grocery Manager App. My skills as a Full Stack Developer and AI Solution Expert include deep expertise in Flutter, Java, Mobile App Development and PHP, which are precisely what you need to bring your idea to life. I’ve developed cross-platform apps that flawlessly amalgamate camera input with a well-documented REST or GraphQL API, making me a perfect match for your project requirements. The core of your app - a dynamic shopping-list creator coupled with real-time barcode scanning, recipe suggestions and machine learning scope - is an area where my skill set truly shines. With an extensive background in mobile app development and using platforms such as React and Vue for web apps, I am confident about creating the smart and intuitive features you need. Moreover, the "business-first" approach I adopt complements your vision of a production-ready application that runs seamlessly on Android devices and all web browsers. As your project demands not just quality coding but also proficient problem-solving abilities, my previous experiences demonstrate that I excel in these areas. My delivery record reflects 95% on-time & 98% on-budget completion rates along with ongoing support even after project-handover. Let's get started so we can make your grocery management app not only efficient but also user-friendly and powerful.
₹1,000 INR in 40 days
6.4
6.4

With over 17 years of experience in web, window, and Android development, my team and I are well-equipped to take on your Smart Grocery Manager project. We specialize in using the Asp.net C# development framework - a skill that will be invaluable in building a robust and functional grocery management application with secure account systems and REST/GraphQL APIs, all of which you've outlined in your project description. Having worked on a variety of projects including complex mobile applications and responsive web apps, we understand the importance of a streamlined user experience. In terms of your project requirements, we have ample experience building cross-platform apps with camera integrations, such as barcode scanning, thus assuring you of our ability to deliver on your checklist - Android APKs with Kotlin or Flutter and a responsive web app with React/Vue. Moreover, our proficiency extends to database administration and backend management; we employ cloud-hosted PostgreSQL & Firebase to provide secure data storage options. In addition to delivering the APKs, source code and the test URL for the web app as stipulated in your deliverables, we'll also ensure that your application functions smoothly with focus not just on the core functionality but also on easy build/run steps using clear READMEs as per your request.
₹1,000 INR in 40 days
5.8
5.8

Hi, I can build your Grocery Management app using Flutter for Android and React for the responsive web app, connected through a shared backend with real-time data sync. I’ll cover: Secure email/password authentication Manual item entry + camera/webcam barcode scanning Real-time shopping-list sync across Android & Web Rule-based recipe suggestions using available ingredients Android APK, source code, deployed web app, API, and documentation A few questions: Do you already have a barcode/product database, or should I integrate one? Should scanning automatically fetch product details? Do you prefer Firebase or PostgreSQL for the backend? Do you already have UI sketches/designs? Share the sketches and I can start mapping the complete demo flow.
₹1,000 INR in 40 days
5.9
5.9

With my comprehensive understanding of the technical needs of your Smart Grocery Manager App and my extensive experience in building full-stack web and mobile applications, I'm confident that I can deliver a top-notch product that aligns with your vision. From developing secure account systems with social login capabilities to integrating real-time barcode scanning functionalities and recipe suggestions, I have successfully handled projects with similar scopes. In terms of cross-platform development skills, I am well-versed in working with Flutter and Django which ensures a seamless connection between camera inputs and your backend database. My track record proves that I can efficiently implement the REST or GraphQL API endpoints you seek for accounts, lists, barcodes and recipes on a shared backend hosted on cloud platforms like Firebase or PostgreSQL. I believe not only in building applications but also in ensuring their longevity. Hence, alongside delivering all the necessary project files, I will provide a clear README file explaining build/run steps and a brief video or screenshots emphasizing the key flows.I am excited about this opportunity to demonstrate my proficiency in Mobile App Development using Kotlin or Flutter for Android as well as my adeptness in React and Vue for web apps. I look forward to working closely with you to actualize your vision into an amazing grocery management app!
₹1,000 INR in 40 days
4.8
4.8

Hi, I can build this Grocery Management app end-to-end using **Flutter + Firebase/PostgreSQL**, delivering Android + responsive Web from a shared codebase. I have strong experience with **authentication, real-time APIs, barcode/camera scanning, shopping lists, recipe logic, and production-ready app architecture**. I’ll ensure your acceptance flow works smoothly across both platforms, with clean, scalable code and complete documentation. **Ready to start immediately and can provide a realistic milestone-based timeline.**
₹750 INR in 40 days
4.3
4.3

With a decade of experience in delivering high-performance web and API solutions, I'm confident I can take your smart grocery manager app from a compelling concept to a market-ready reality. My skills in building scalable web applications and implementing e-commerce platforms are aligned perfectly with your project's goals. Moreover, my core competency lies in designing and creating APIs, both RESTful and GraphQL, which will be the backbone of this application. I am well-versed with the technology stack required for this project; including Kotlin, Flutter, React.js, Vue.js, JavaScript and more. Having built numerous cross-platform apps throughout my career, I have a deep understanding of integrating hardware features such as cameras with unified backends using barcode scanning functionalities. This gives me an edge to deliver precisely what you need: an Android APK with source code, responsive web app and a shared backend- all working seamlessly and harmoniously together. What separates me from others is not just technical expertise but also my approach towards UI/UX quality and business growth. I pledge to deliver clean codes that prioritize scalability, security, and long-term performance- elements critical for establishing a market presence in the present world. Alongside coding prowess, I prioritize clear communication for daily progress updates and maintain a transparent support lineessen
₹750 INR in 40 days
4.3
4.3

I would first deliver the exact cross-platform demo: sign up, scan/type three items, see the shared list update, and receive a rule-based recipe using at least two ingredients. A shared PostgreSQL backend with authenticated APIs can support the Android and React web clients, with manual entry when camera access is unavailable. Rate: ₹1,250/hour; initial estimate 45–60 hours over about three weeks, confirmed after reviewing your sketches. Source, deployment notes and flow screenshots are included. Do you already have a barcode-to-product database and recipe data, or should we choose licensed sources for those?
₹1,250 INR in 20 days
4.3
4.3

Hi, Flutter for Android, React on web, one Node and Postgres backend behind both so a scan on the phone shows up on the web without a refresh - that last part is your acceptance criterion, so I would wire it with a live subscription rather than polling. The part worth deciding early is barcode lookup. Scanning gives you an EAN or UPC number, not a product name, so you need a product database behind it. Open Food Facts is free and decent for Indian groceries, but coverage is patchy, so the app needs a clean fallback where the user names an unrecognised item once and it is remembered. Rule-based recipe matching is the right call to start - it works with no data, and the schema can stay open for something smarter later. Can you ping me here? Thanks, Raj
₹1,100 INR in 25 days
4.4
4.4

Hi, I’ve read all your requirements very well and I’m really excited to work with you. The key part I understand is building a smooth Android + Web experience where barcode/manual items sync instantly through one backend and generate relevant recipe suggestions. I can build this with Flutter + PostgreSQL/REST API for a scalable and maintainable MVP. Do you already have the UI/sketches ready? Which barcode format/scanner API do you prefer? Would you like me to handle the test deployment and APK setup as well? Let’s connect on chat to discuss well and finalize the development approach. Let’s connect; waiting for your response. Best Regards, Arshiya
₹1,000 INR in 40 days
3.9
3.9

Hi! I’m Tarang. I have read your entire project requirements. I will provide you with a Smart Grocery Manager App within your budget. I have more than 12 years of experience and have completed 150+ projects in design and development. I am very interested in this job opportunity. I am available to start immediately and can deliver high-quality work within your timeline. Please join the chat so we can discuss further and get started right away.
₹751 INR in 40 days
3.7
3.7

Hi, Thanks for sharing your project. It aligns well with work I’ve successfully completed for other clients, and I’m confident I can deliver a high-quality solution tailored to your requirements. Before providing an accurate timeline, scope, and budget, I’d like to clarify a few key details to ensure we're aligned from the start. Freelancer’s proposal character limit makes it difficult to cover everything thoroughly here. If you're available, let's connect via chat. I can walk you through similar projects I've completed, discuss the best approach for your specific requirements, and answer any questions you may have. Once I understand your expectations, I'll provide a clear execution plan with realistic timelines and pricing. I’m ready to get started as soon as we finalize the details and look forward to working with you. Best regards, Mayank Sahu
₹1,000 INR in 40 days
4.0
4.0

Hello, I’m Baber Ali, a Flutter developer with 5+ years of experience. I can build your Grocery Management application for Android and Web with a shared, scalable backend. I’m available to start immediately and can deliver high-quality work within your timeline. Please join the chat so we can discuss the requirements and get started. Thank you.
₹750 INR in 40 days
3.7
3.7

New Delhi, India
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