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I want to launch a lightweight loyalty system built on a custom web platform where registered plumbers earn points by scanning QR-coded coupons found on our products. The flow is straightforward: • Registration & KYC – Plumbers sign up with name, phone, email, city and Aadhaar; the data must sit in a secure, searchable database. • QR-code points engine – Each valid scan credits the predefined points to the plumber’s wallet automatically. Duplicates or expired codes should be rejected in real time. • Dashboard (for plumbers) – Show current points balance, a running list of recent transactions, and an always-visible “Redeem Points” button that kicks off a cash-out request (e.g. 3,000 pts = ₹1,500). • Role-based access – Three roles only: Admin, Plumber and Support staff. Admins approve payout requests and can view / export all activity; Support staff can view and reply to queries but cannot release funds. • Payout workflow – When a plumber redeems, the request lands in the Admin queue. After approval, mark it paid and debit the points automatically. • Responsive UI – Mobile-first screens are essential because most plumbers will work from their phones. Acceptance criteria 1. Unique QR scan correctly credits points and appears in the plumber’s recent transactions within 2 seconds. 2. Redeem request instantly blocks the equivalent points and notifies Admin by email. 3. Admin approval moves the request to “Paid”, updates the wallet and stores a reference number for auditing. 4. Full audit export (CSV) by date range for Admin. 5. All pages pass basic OWASP security checks and Aadhaar data is encrypted at rest. Tech is open as long as it is a custom web stack (no WordPress, no Drupal) and the QR scanner works smoothly inside a mobile browser without forcing a native app download. Let me know your proposed tech stack, estimated build time and any prior work on loyalty or coupon systems.
Project ID: 40429665
55 proposals
Remote project
Active 4 days ago
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55 freelancers are bidding on average ₹12,095 INR for this job

Hi there, We are excited about the opportunity to work with you on developing your website. With strong experience in both front-end and back-end development, We can build a robust, scalable, and user-friendly platform that supports all the core features you’re looking for and tailored as per your requirement. Why Us? • 10+ years of experience in full-stack development • Built several website in all kind of domain platforms (portfolio available on request) • Strong grip on user flows, admin control, and clean UI/UX design • Expertise in PHP, JavaScript, MySQL, HTML/CSS, Laravel and modern frameworks Timeline & Estimate: Depending on final scope after the detail discussion with you We’d love to discuss your vision further and share relevant portfolio examples. Let’s build something powerful together! Looking forward to your response. Best regards, Vishal Nasit
₹10,000 INR in 7 days
8.4
8.4

I am an expert in Shopify, WordPress, and Web Development Technologies, ready to develop your lightweight loyalty system. I will ensure a secure, user-friendly platform for plumbers to earn, track, and redeem points effortlessly. I can start RIGHT AWAY and look forward to your requirements. Regards, Pooja
₹7,000 INR in 3 days
7.1
7.1

The trickiest part of a QR loyalty system isn't the scan itself, but preventing race conditions when two plumbers scan the same code simultaneously. I've built secure platforms using PHP and MySQL where database transaction integrity was non-negotiable. At Coinread, I managed financial data across 20+ microservices where every cent had to account correctly. For your KYC data, I'd enforce strict access controls at the database level rather than just the application layer. This ensures Admin and Support roles never bleed permissions during a payout workflow. The mobile-first UI needs to load fast on spotty connections since plumbers are on-site. I optimize assets and queries to keep response times under 100ms even under load. Are you planning to generate the QR codes dynamically or print them on packaging beforehand?
₹1,500 INR in 7 days
6.6
6.6

As a highly seasoned Full Stack Developer with over a decade of experience, specializing in Web and Mobile App Development, I have the technical proficiency and creative problem-solving abilities necessary to bring your vision for a lightweight, yet dynamic plumber loyalty system to life. My robust skill set includes API Development, HTML, Mobile App Development, MySQL, PHP, Web Development and Website Design. With my knowledge and technological dexterity, I can build this utilizing an array of technologies that is customized to your specific requirements. In conclusion, my proficiency in not just development but also in anticipating and preempting user needs makes me the ideal choice for this monumental project. I will build for you more than a website; I will build a scalable solution that not only meets your immediate needs but also leaves room for growth. Through me, you'll get reliable support throughout the life cycle of your project. Let's turn your vision into reality together!
₹9,999 INR in 7 days
6.5
6.5

Hi, This is a solid use case—I can build a secure, real-time QR loyalty platform that works smoothly on mobile browsers (no app needed). ⚙️ Key Implementation • QR Engine: Unique token-based codes + server validation (anti-duplicate, expiry check) • Wallet System: Instant credit (<2s) + transaction logs • Redeem Flow: Points lock → Admin approval → auto debit + reference ID • Roles: Admin / Plumber / Support (strict permissions) • Security: Aadhaar encryption at rest + OWASP-safe APIs • PWA Scanner: Camera access via browser (fast + reliable) ? Experience Built coupon/loyalty + wallet systems with QR validation and payout workflows (can demo) Quick question: Will QR codes be pre-generated (printed) or dynamically created per batch? Ready to build a scalable, production-ready system. Best Regards ALOP
₹6,900 INR in 3 days
6.5
6.5

I have read your job post and I am interested in building your loyalty system for plumbers. I am a full stack developer with experience in custom web platforms, QR code systems, wallet features, admin panels, and secure databases. I have worked on similar reward and coupon-based systems with role-based access and payout management. For your project, I will build a mobile-friendly web platform with secure registration, Aadhaar encryption, QR scan validation, wallet tracking, redeem requests, and admin approval flow. I can use Flutter Web or React for frontend and Node.js with MySQL/PostgreSQL for backend. QR scanning will work directly in the mobile browser without an app download. I will also add CSV export, email notifications, audit logs, and security checks for safe data handling. Estimated build time is around 3 to 5 weeks depending on final requirements and testing.
₹7,000 INR in 7 days
6.0
6.0

Hello there, we are a senior Full Stack Web and Mobile App developers. Please, send me a message to discuss the work. Thanks Ashish Kumar.
₹7,000 INR in 7 days
5.8
5.8

Hello, I can help you build a secure, mobile-first loyalty platform where plumbers can register, complete KYC, scan QR-coded coupons, earn points instantly, and redeem rewards through a streamlined payout workflow. My approach will focus on creating a fast and scalable custom web solution with secure Aadhaar data encryption, real-time QR validation, role-based dashboards, transaction tracking, admin approval workflows, CSV audit exports, and smooth browser-based QR scanning without requiring a native app. For the tech stack, I would recommend Laravel or Node.js for the backend with React/Vue for the frontend and MySQL/PostgreSQL for secure database management. I have experience developing custom reward systems, admin dashboards, QR-based workflows, wallet logic, and secure role-based platforms with performance and OWASP-focused security practices. I’d be happy to discuss the estimated timeline, architecture, and similar systems I’ve worked on. Best regards, Abhishek
₹7,000 INR in 7 days
5.8
5.8

**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.
₹7,000 INR in 7 days
4.5
4.5

Building a secure and searchable database for the plumber registration and KYC data, particularly handling Aadhaar information, requires a careful approach to data security and compliance. I’ve previously built similar systems for financial institutions, ensuring data integrity and adherence to strict regulatory requirements. My experience with PHP, MySQL, and responsive UI development aligns perfectly with your project's needs, especially the mobile-first design and real-time QR code processing. I'll prioritize a clean, secure architecture to handle the registration, points engine, and payout workflow as described.
₹9,875 INR in 7 days
4.1
4.1

Hi, I can develop your plumber loyalty web app with a smooth user experience and scalable backend. I have experience building reward/loyalty systems with user tracking, points management, and admin dashboards. I will ensure: User registration & profile management Points/loyalty tracking system Rewards redemption flow Admin panel for full control Mobile-friendly, responsive design Ready to start immediately and deliver a reliable solution. Regards, Bharti M
₹25,000 INR in 7 days
4.1
4.1

Hi, I’ve reviewed your requirements and can deliver a reliable, scalable, and well-structured solution aligned with your goals. I’m a full-stack developer with 4+ years of freelance experience, specializing in MERN, PHP/Laravel, WordPress, Shopify, and Flutter for Android & iOS apps. I focus on clean code, intuitive UI, and performance-driven development to ensure secure and user-friendly applications. I’ve handled projects end-to-end—from planning and design to deployment and support—while maintaining clear communication and meeting deadlines. My approach is simple: understand your vision, set realistic timelines, and deliver exactly what’s promised with long-term value in mind. I’d be happy to discuss your project in detail and suggest the best approach to achieve your objectives efficiently. Looking forward to working with you. Best regards, Arshiya
₹12,000 INR in 7 days
3.9
3.9

Hello, I have read your requirements carefully and I am very interested in your project. I can build a full mobile-first loyalty platform where plumbers can register, scan QR-coded coupons, instantly earn points, and submit payout redemption requests using a smooth, responsive web interface without the need to install any native app. I can deliver: • Fully deployed live platform • Complete source code • Admin & support dashboards • Mobile responsive interfaces • Documentation & handover support • Deployment assistance I recommend using a modern custom stack focused on speed, scalability, and smooth mobile browser QR scanning without requiring any app installation. Looking forward to your response. Thanks.
₹6,200 INR in 7 days
3.3
3.3

With my extensive experience in full stack development and specialization init, I am confident in taking up your project and delivering a loyalty system that unarguably meets all of your requirements. I understand the need for a secure, scalable, and mobile-friendly system, and plan to incorporate the MERN stack for this project. Drawing upon my background in workflow automation, you can be assured that the QR code scanning process will be seamless, swift, and foolproof. Additionally, I have successfully integrated APIs to automate processes before; therefore, weaving a workflow that automates all your transactions from point accumulation to payout approvals is well within my skill-set.
₹7,500 INR in 6 days
2.8
2.8

As an experienced digital marketer, I understand the power of personalized loyalty systems to drive sales and engagement. Your project resonates deeply with my skillset and passions. With a background in web development, I can create your one-of-a-kind QR-code points engine along with the secure, searchable database for user authentication. My knowledge in HTML, PHP and Mobile App Development will furthermore ensure that your Plumber Loyalty Web App is accessible and functional on any mobile browser without any hassle of native app download. Beyond my technical experience, my creative design expertise will come into play as I craft a responsive, mobile-first UI - perfect for plumbers working from their phones. This UI will keep them updated with recent transactions on their dashboard and provide a smooth "Redeem Points" experience, blocking the equivalent points immediately and notifying Admin accordingly. One thing that differentiates me is my commitment to driving results through data analysis. This approach led me to scale ad accounts up to $2M+, deliver 450% ROAS, and generate 50,000+ qualified leads across industries. Paired with my AI & automation capabilities, I'll ensure that not only are your unique QR scans credited promptly but also that all other functionalities run seamlessly while adhering to OWASP security checks. Let's build your plumber loyalty web app hand-in-hand - transforming your business into a high-performing digital brand!
₹7,000 INR in 7 days
2.2
2.2

I can develop a secure, mobile-first loyalty platform tailored for your plumber rewards system using a custom MERN stack architecture. The platform will include plumber registration with encrypted Aadhaar storage, a real-time QR code points engine with duplicate/expiry validation, wallet and transaction tracking, role-based dashboards (Admin, Plumber, Support), and a complete payout approval workflow with audit-ready CSV exports. I’ll ensure smooth QR scanning directly inside the mobile browser without requiring any app installation, while following OWASP security best practices for data protection and access control. I also have experience building custom workflow-based SaaS applications with secure authentication, transaction handling, and admin management systems, and I can share relevant work examples during discussion along with the proposed tech stack and estimated timeline.
₹10,000 INR in 15 days
0.0
0.0

Hello, I am a skilled Frontend Web Developer with experience in HTML, CSS, JavaScript and responsive design. I can create a clean, modern and fully responsive website/landing page as per your requirements. I always focus on quality, user experience and timely delivery. I am confident that I can complete your project perfectly and meet your expectations. I am ready to start immediately and deliver the work on time with full satisfaction.
₹7,000 INR in 7 days
0.0
0.0

Hi, Went through your requirements end to end. Here's how I'd build it: How I'll handle each acceptance criterion: 1. QR scan 2. Redeem locks points instantly 3. Admin approval → Paid: Clean state machine (Pending → Approved → Paid), wallet updated, reference number stored for audit. 4. CSV audit export: Filterable by date range — scans, redemptions, payouts included. Timeline: 2 weeks from start Week 1: Registration & KYC, QR scan engine, points wallet with transaction log, Plumber dashboard Week 2: Admin panel with payout queue & CSV export, Support view with scoped permissions, email notifications, Aadhaar encryption hardening, mobile testing, security audit, deployment About me: I've built coupon and loyalty systems before — I understand the edge cases (concurrent scans, expired codes, wallet consistency) that break poorly planned builds. I default to mobile-first design, which matters here since most plumbers will use phones. I'll show you a working concept before you accept it. That way you're not committing blind — you'll see the actual product direction and make an informed decision. Drop me a message here and I'll share the demo walkthrough with you directly. Happy to jump on a quick call or share past work. Available to start immediately. Thanks,
₹7,000 INR in 7 days
0.0
0.0

Hi there, I propose building a custom PWA using React and Node.js for a seamless mobile-first experience, ensuring 2-second QR scanning without app downloads. The platform will include secure KYC, real-time points validation, role-based dashboards (Admin/Plumber/Support), and automated payout workflows with audit logging. Security will meet OWASP standards, with Aadhaar data encrypted at rest. I have previously delivered similar coupon-loyalty systems and can deploy a robust, secure solution within 5 weeks, meeting all audit and transaction criteria. Best Regards , Kishan Gupta
₹8,000 INR in 7 days
0.0
0.0

⭐ONLY PAY IF YOU’RE IMPRESSED⭐ Hi, I’m Aaron Roberts from Happy Screen Solutions. With extensive experience building custom web-based loyalty and coupon systems, we’re confident in delivering your lightweight loyalty platform for plumbers. Core Deliverables: • Secure registration & KYC with encrypted Aadhaar storage • Real-time QR code point crediting, duplicate/expiry check • Mobile-first dashboard with points, transactions & redeem option • Role-based access: Admin, Plumber, Support staff • Streamlined payout workflow with audit trail exports • OWASP-compliant security throughout Approach: • Custom web stack optimized for mobile browsers – no app download • Agile development with iterative demos • Focus on performance, security & seamless UX • Responsive communication and full documentation We are committed to providing a robust, secure, and user-friendly system tailored to your goals. Let’s discuss next steps soon. Kind regards, Happy Screen Solutions
₹2,222 INR in 14 days
0.0
0.0

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