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The project is a vegetable & fruit selling platform with built-in POS and mini-ERP functionality. About 80 % of the React interface is already in place and running on mock data; what I now need is the back half of the stack brought to life and everything taken to production. Your first task will be to move the mock data into a real Supabase database. That includes designing the schema, setting up policies, seeding initial records and wiring the existing React components to live queries and mutations. Next comes the Node.js API layer. I want clean, well-documented endpoints that expose product, order, customer and reporting functions, together with role-based access control. While the exact roles are still flexible, assume a classic tiered setup (admin, seller, customer) so permission checks are simple to extend later. Three integrations must be in place before launch: • Payment gateways • Inventory management systems • Shipping services If you have preferred libraries or services for any of these, let’s discuss; I’m open as long as the result is secure and readily maintainable. Once features are stable, you’ll guide the production deployment—CI/CD, environment variables, monitoring and automated backups included—so the app ships fully scalable and easy to hand over. Acceptance criteria • All React views read/write live data from Supabase without errors • API test suite passes (unit + basic e2e) with ≥ 90 % coverage • Successful transaction flow: add item → pay → deduct inventory → create shipment • One-click deploy pipeline documented in the repo README Source control lives in a private GitHub repo; you’ll have full commit access from day one and ownership over branching strategy. If you enjoy taking a nearly-finished front end and turning it into a polished, production-ready product, let’s get started.
Project ID: 40390623
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Active 25 days ago
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60 freelancers are bidding on average ₹27,650 INR for this job

Your transaction flow will fail the moment inventory hits zero because there's no atomic lock between the payment confirmation and the stock deduction. If two customers buy the last mango simultaneously, one gets charged for phantom inventory. I've debugged this exact race condition in three e-commerce builds. Before I architect the backend, I need clarity on two things: What's your expected order volume during peak hours - are we talking 50 transactions per hour or 500? And does your Supabase plan support row-level security policies with complex joins, or will we hit performance walls when filtering products by vendor permissions? Here's the technical approach: - SUPABASE SCHEMA: Design normalized tables with composite indexes on product_id + warehouse_id, implement RLS policies that enforce role checks at the database layer, and set up triggers for automatic inventory reconciliation to prevent overselling. - NODE.JS + EXPRESS: Build a stateless API with JWT middleware, implement idempotent order endpoints using transaction IDs, and add Redis caching for product catalog queries to keep response times under 150ms at scale. - PAYMENT GATEWAY INTEGRATION: Configure Stripe webhooks with signature verification and automatic retry logic, store payment intent IDs to handle network failures mid-transaction, and implement refund workflows that sync inventory adjustments. - CI/CD PIPELINE: Set up GitHub Actions with separate staging and production workflows, automate Supabase migrations on deploy, configure health checks that roll back failed releases, and implement automated Postgres backups to S3 every 6 hours. - API TESTING: Write Jest unit tests for business logic and Supertest integration tests covering the full checkout flow, mock external services to achieve 90% coverage without hitting rate limits during CI runs. I've taken 8 projects from mock data to production scale. Let's schedule a 20-minute call to walk through your existing React components so I can map the exact data contracts before touching the database.
₹22,500 INR in 7 days
7.1
7.1

Hi there, Your "Complete React POS ERP App" project sounds fantastic – precisely where my expertise shines! Bringing nearly-finished frontends to life is my passion. I'll expertly migrate your mock data to Supabase: designing the schema, policies, and wiring your existing React components for live data. My backend foundation (Firebase, Django) ensures a smooth transition to building your clean, documented Node.js API layer with robust role-based access for products, orders, and reporting. Key integrations (Payments, Inventory, Shipping) will be seamless, and I'm eager to discuss optimal services. Finally, I'll establish a fully scalable production deployment with CI/CD, monitoring, and automated backups, ensuring your one-click deploy pipeline and all acceptance criteria are met. Let's discuss taking your app to production! Best regards, Nikhil Chandra Roy
₹25,000 INR in 7 days
6.3
6.3

Hi there, I reviewed your React POS/mini-ERP description and saw the front end already wired to mock data; I will convert the mock layer to a production Supabase backend and implement a Node.js API with role-based access so the app is secure and maintainable. - Design Supabase schema for products, orders, customers, inventory, shipments and roles; implement RLS policies, seed initial records and connect React queries/mutations to live Supabase endpoints - Build a documented Node.js API exposing product/order/customer/reporting endpoints with RBAC (admin/seller/customer), unit tests and basic e2e tests - Integrate payment gateway (Stripe or preferred), inventory sync hooks, and a shipping provider adapter; implement CI/CD, environment management, monitoring and automated backups - Backup checkpoint and staged deployment with post-deploy validation Skills: ✅ Supabase ✅ Node.js ✅ REST API / GraphQL wiring ✅ Inventory & shipping integration ✅ CI/CD, Docker, production hosting ✅ Security: RLS, RBAC, HTTPS Certificates: ✅ Microsoft® Certified: MCSA | MCSE | MCT ✅ cPanel® & WHM Certified CWSA-2 I’m available to start immediately; Is this already running on a live production server or should I work against a staging Supabase and CI pipeline first? Best regards,
₹28,125 INR in 3 days
5.3
5.3

Hi, I came across your project "Complete React POS ERP App" and I'm confident I can help you with it. About Me: I'm a agency owner with over 8+ years of experience in JavaScript, Node.js, React.js, API Development, Web Hosting, Backend Development, Frontend Development, Payment Gateway Integration. , and I understand exactly what’s needed to deliver high-quality results on time. Why Choose Me? - ✅ Expertise in required Technologies and 1 year post deployment free support - ✅ On-time delivery and excellent communication - ✅ 100% satisfaction guarantee Let’s discuss your project in more detail. I’m available to start immediately and would love to hear more about your goals. Looking forward to working with you! Best regards, Deepak
₹25,000 INR in 7 days
5.1
5.1

Hi, As per my understanding: You have a vegetable and fruit selling platform with POS and mini-ERP features, where most of the React frontend runs on mock data. You now need the backend fully implemented, real Supabase integration, a structured Node.js API with RBAC, third-party integrations, and complete production deployment. The goal is to transition from prototype to a secure, scalable, production-ready system with documented CI/CD and strong test coverage. Implementation approach: First, I will design a normalized Supabase schema covering products, orders, customers, inventory, and reports, then configure row-level security policies and seed initial data. Next, I will connect existing React components to live queries and mutations. I will build a clean Node.js API layer with modular routes, service logic, and role-based middleware for admin, seller, and customer access. Payment, inventory, and shipping integrations will be implemented using reliable SDKs with secure webhook handling. Finally, I will set up CI/CD, environment management, automated backups, monitoring, and a one-click deploy pipeline with documented steps and test coverage above 90 percent. A few quick questions: 1. Do you prefer Supabase auth or a custom JWT strategy? 2. Any preferred payment gateway? 3. Should inventory sync be real-time or batch-based? 4. Which cloud platform do you prefer for deployment? 5. Is there an existing branching or release workflow in GitHub?
₹12,500 INR in 7 days
4.8
4.8

Hello, I see the challenge of transitioning your React interface from mock data to a fully functional system with a robust backend. Ensuring seamless integration between Supabase and your existing components will be crucial, especially when it comes to maintaining data integrity and performance under real load conditions. My first step would be to design an efficient database schema in Supabase that aligns with your application’s requirements. This initial setup is vital for ensuring that the live queries and mutations function smoothly as you transition from development to production. I would also prioritize creating clean, well-documented Node.js API endpoints, which are essential for facilitating secure access to product, order, and customer functions. I noticed you’re open to discussing preferred libraries for payment gateways and other integrations—let’s explore solutions like Stripe or PayPal for payments, as they offer excellent security features and are widely adopted in e-commerce applications. Do you already have specific requirements for the payment gateway or inventory management systems in mind?
₹12,790 INR in 28 days
4.1
4.1

**DO NOT PAY ME UNTIL I COMPLETE! :)** Hello my valuable client :) My profile is new over here but I have 7 years of experience in this field. I have completely understood about your project. Also I will provide you free maintenance on your project for 1 year after project completion. I can definitely complete this in your timeframe. Give me one chance to prove myself. Hit the chat button to get started. If you will not like my work then you dont need to pay me any money so dont worry and have faith in me :) I am eagerly waiting for your message.
₹25,000 INR in 7 days
4.3
4.3

Hello, I understand you're looking to bring your React POS ERP app to life by connecting the existing UI to a robust Supabase backend and Node.js API. Your requirement for moving mock data to Supabase, building clean APIs with role-based access, and integrating payment, inventory, and shipping services is very clear. I'm Raj Abhisek Panda, a technical consultant, and I have solid experience in full-stack development, particularly with Supabase and Node.js for backend and API work. I'm confident we can handle the database schema design, wire your React components to live data, and build all the necessary Node.js API endpoints with the integrations you've mentioned. We will also ensure a smooth production deployment with CI/CD and monitoring. We can definitely get this project done for you as per your needs. Please ping us on chat so we can discuss the details and get started. Raj Abhisek Panda
₹25,000 INR in 7 days
4.1
4.1

With your React front end already 80% complete and running smoothly, I am the perfect candidate to take on the second phase of this vegetable and fruit selling platform project. My deep familiarity with API development and backend engineering will allow me to seamlessly integrate your existing React components with a swiftly functioning Supabase database and a succinct, well-documented Node.js API. Moreover, my experience with role-based access control aligns perfectly with your anticipated admin, seller, and customer roles. Comprehending the vital role of three main third-party integrations in the platform - payment gateways, inventory management systems, and shipping services, I assure you of a competent and secure integration process by leveraging my training in JavaScript and APIs. However, I'm also flexible with regards to using different libraries or services if you have specific preferences. My skills extend beyond development: I'm confident handling CI/CD processes, automating backups and monitoring for a smooth production roll-out. Let me handle these often-complex backend aspects so you can focus on perfecting the frontend flow.
₹20,000 INR in 5 days
3.9
3.9

Hi, Since your React frontend is already 80% complete, this project is really about turning mock data into a production-ready POS + mini-ERP platform — which is exactly the stage I specialize in. I’ve worked on similar React apps where the focus was migrating mock data, building APIs, and preparing for production deployment. My Approach Phase 1 — Supabase Migration • Design relational schema • Row-level security policies • Seed initial data • Replace mock data with live queries Phase 2 — Node.js API Layer • Product, order, customer endpoints • Role-based access (admin / seller / customer) • Clean, documented REST APIs Phase 3 — Integrations • Payment gateway • Inventory sync • Shipping services Phase 4 — Production Deployment • CI/CD pipeline • Environment configuration • Monitoring & backups I'll also ensure your acceptance criteria: ✔ Live Supabase data across all React views ✔ ≥ 90% API test coverage ✔ Transaction flow: add → pay → deduct → ship ✔ One-click deploy pipeline Tech Stack React + Supabase + Node.js + PostgreSQL + GitHub CI/CD Quick Question: Are you already using Supabase Auth, or should I implement authentication as part of migration? I can start by reviewing your GitHub repo and share initial architecture suggestions immediately. Best regards Abhishek
₹25,000 INR in 7 days
4.2
4.2

With over 14 years of experience across the full stack, I come equipped with a unique blend of skills that perfectly align with your project's needs. Specifically, my mastery in JavaScript and React.js will ensure seamless migration of your existing mock data into the Supabase database. Further, my strong understanding of Node.js and its capabilities will assist me in designing a well-documented API layer for your platform while guaranteeing sophisticated role-based access control. Moreover, my proficiency in integrating payment gateways and inventory management systems will comfortably tackle two out of your essential three integrations before launch. With a logical and methodical approach, I assess the project requirements thoroughly before proposing the most suitable services—I'm flexible but never compromise on security or maintainability. Lastly, my understanding of CI/CD pipelines and monitoring systems like Zabbix means that not only can I guide you through an efficient and hassle-free deployment process but also establish safeguarding mechanisms like automated backups for future ease. This project sounds exciting to me, and I genuinely find joy in taking projects like yours to completion. Let's combine your front-end finesse with my back-end prowess to create a production-ready app that scales seamlessly!
₹25,000 INR in 7 days
3.9
3.9

Hi There!!! ★★★★ (Complete React POS ERP by connecting Supabase, API layer and production deployment) ★★★★ I understand your React POS/ERP system is mostly built on frontend mock data, and you now need the full backend integration with Supabase, Node.js APIs, role-based access, payment + inventory + shipping integrations, and production-ready deployment pipeline. ⚜ Supabase schema design + live data migration ⚜ React integration with real-time queries/mutations ⚜ Node.js REST API (products, orders, customers, reports) ⚜ Role-based access control (admin, seller, customer) ⚜ Payment, inventory & shipping integrations ⚜ CI/CD setup with deployment & monitoring ⚜ Testing, bug fixing & production hardening I have experince building full-stack React + Node + database driven systems, including POS and inventory style applications with secure API layers and clean deployment pipelines. My approach is to first structure Supabase schema, connect React to live data, then build a clean Node API layer with auth + roles, followed by integrating payments and inventory sync, and finally setting up CI/CD for smooth production rollout. I can start immediately and take this from near-finished UI to fully production-ready system. Warm Regards, Farhin B.
₹25,000 INR in 7 days
4.5
4.5

Given my 10+ years of expertise and a discernable track record of delivering over 100 successful projects, I am confident I can adeptly handle your React POS ERP app project. My portfolio is testimony to my proficiency in JavaScript, Node.js and React.js – the very technologies your project necessitates to perfection. I assure you my skills will ensure that all the React views read/write live data from Supabase without errors, setting up clean and well-documented endpoints for the Node.js API, leveraging payment gateways, inventory management systems and shipping services for efficient integrations, and guiding production deployment with ease. My experience in mobile App's and WordPress is closely aligned with this project’s requirements: structuring databases, designing schemas and policies, wireframing existing React components to live queries, handling roles-based access control - these are areas that I specialize in. Furthermore, my service has been tailored towards helping clients achieve their goals; thus I prioritize maintaining security, scalability and ensuring easy handover in any project I undertake.
₹25,000 INR in 7 days
3.2
3.2

With a decade of experience in Backend Development, my team at Dlite Info Tech Pvt Ltd can guarantee the success of your React POS ERP app project. We specialize in turning incomplete projects into polished and production-ready products, just like yours - and we'd bring that same level of dedication to your task. For the backend, we will ensure that your data is accurately migrated from mock to real Supabase databases with clean designs and appropriate policies. We will also provide you with a well-documented Node.js API layer, focusing on giving you excellent and secure endpoints for all key functions including access control based on multiple hierarchies. Let's not forget about the necessity of efficient deployment; handling CI/CD pipelines, environment variables, monitoring, and backups is something we’re well versed with. You won't have to worry about scalability or maintenance post-deployment either because we got that covered too. Our solutions yield results by providing maximum coverage (90%!) as demanded and I can assure you a seamless transaction flow throughout. Together, let’s make this code project of ours a full-fledged & high-performing app!
₹26,999 INR in 15 days
3.2
3.2

I’m an experienced full-stack developer with strong expertise in React, Node.js, and Supabase, and I can take your existing frontend from mock data to a fully production-ready system. I’ll design a scalable database schema, implement secure API endpoints with role-based access, integrate payments, inventory, and shipping, and ensure seamless data flow across all components. I’ll also set up CI/CD, monitoring, and deployment so the platform is stable, maintainable, and ready to scale,happy to discuss the best tools and approach based on your goals.
₹15,600 INR in 5 days
2.9
2.9

I am from chennai , please consider I have read your job description and I am interested in your job post.I am ready to start now. Please send me a message to discuss more about your project, Can you please give me a chance I am a Senior Software Developer with over 8+ years of experience in designing and developing scalable web and desktop applications. I specialize in Microsoft technologies and delivering high-quality, secure, and performance-driven applications. My Expertise: Backend Development:ASP.NET, ASP.NET Core, MVC, Web API, WebForms,Laravel, WCF Services Programming Languages:C#, Php Frontend Development:JavaScript,Angular, React, TypeScript jQuery, AJAX, HTML, CSS Database Technologies:SQL Server, MySQL Reporting Tools:Crystal Reports, RDLC, SSIS, SSRS
₹15,000 INR in 7 days
3.0
3.0

I’ll convert your React app from mock data to a fully live system using Supabase (schema, RLS, real-time queries) and build a clean Node.js API with RBAC, payments, inventory, and shipping integrations. You’ll get a production-ready platform with tested APIs, CI/CD pipeline, and seamless end-to-end flow (order -payment - inventory - shipment) ready to scale.
₹25,000 INR in 7 days
3.0
3.0

Hello, thank you for the opportunity. I understand you need to transform an 80% complete React POS/ERP into a production-ready system by replacing mock data with Supabase, building a secure Node.js API layer, and integrating payments, inventory, and shipping into a seamless workflow. My approach is to design a scalable Supabase schema with proper policies, connect all React views to real-time queries, then build a clean Node.js/TypeScript API with RBAC. I will integrate payment, inventory, and shipping services with secure flows, followed by CI/CD setup, testing, and deployment with monitoring and backups. I’ve delivered POS systems with real-time inventory, Supabase-backed SaaS apps, and Node.js APIs with payment and logistics integrations, ensuring production stability and maintainability. Do you already have preferred providers for payments, inventory, and shipping, or should I recommend a stack? Bests regard, Srdan
₹22,000 INR in 12 days
2.4
2.4

I can develop a complete React-based POS ERP application that is robust, scalable, and tailored to your business operations. The system will include modules for sales, inventory, billing, reporting, and user management with a clean and intuitive interface. I’ll ensure real-time data handling, secure authentication, and a well-structured backend (Node.js/API integration) for smooth performance. Features like role-based access, analytics dashboards, and multi-device compatibility can also be included. With experience in building full-scale business applications, I can deliver a reliable, production-ready solution. Let’s discuss your exact requirements and workflow so I can get started. Best regards, Ammar Sajid
₹12,500 INR in 4 days
2.0
2.0

✋ Hi There!!! ✋ THE GOAL OF THE PROJECT:- COMPLETE YOUR REACT POS ERP APP BY CONNECTING REAL DATABASE, BUILDING API LAYER AND DEPLOYING A SCALABLE PRODUCTION SYSTEM I have carefully reviewed your project and understand the need to replace mock data with a real backend, integrate services and deliver a fully working POS ERP solution. I am a strong fit because I have hands on experience building full stack systems with React, Node and Supabase for real world applications. 1 Design Supabase schema, implement policies and connect all React components with live queries and mutations 2 Build secure Node.js API with role based access control for products, orders, customers and reporting 3 Integrate payment, inventory and shipping systems with complete flow from checkout to delivery I will provide UI integration, database management, API development, testing and full source code delivery with CI CD setup and documentation. I have 9+ years experience as a full stack developer building scalable apps and ERP systems. I have completed similar projects involving POS systems, real time data handling and production deployments. Looking forward to chat with you for make a deal Best Regards Elisha Mariam!
₹18,963 INR in 7 days
1.5
1.5

Chennai, India
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