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Project Overview: We have an existing Study Group web application built with: Frontend: React.js Backend: Node.js (Express) Database: PostgreSQL Environment split: Admin Panel Member Website We need to add a Donation Module that allows members to upload donation receipts to offset penalties. This is an enhancement to an existing system. Penalty system already exists in database. Required Skills • React.js • Node.js (Express) • PostgreSQL • File upload handling (Multer) • Role-based authentication • Experience with subdomain deployments Expected duration: 1-2 days depending on experience.
Projekt-ID: 40267349
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I can build your Donation Module to let members upload receipts that offset their existing penalties — I've done similar enhancement work on React + Express + PostgreSQL stacks with role-based access and file handling. My approach: I'll create a donation receipts table linked to your existing penalties schema, implement Multer-based file upload on the backend with validation, and build React components for members to submit receipts and admins to review/approve them in the Admin Panel. The approval flow will automatically calculate and apply offsets against member penalties. I've worked with subdomain-split deployments before, so integrating across your Admin and Member environments will be seamless. I'm available to start immediately.
$12 SGD in 1 Tag
4,2
4,2
20 Freelancer bieten im Durchschnitt $21 SGD für diesen Auftrag

Hello, With over a decade of experience, my team at Our Software knows how to create web applications that not only meet but exceed client expectations. We have extensive knowledge and skills in React.js, Node.js, PostgreSQL, file upload handling using Multer, and role-based authentication - all of which are crucial for this project. Moreover, we have hands-on experience in developing study applications and managing databases efficiently. We understand the importance of system enhancements and have successfully implemented similar modules in the past. Since your existing penalty system is already in place, our familiarity with subdomain deployments will ensure a smooth integration of the new Donation Module without disrupting the current infrastructure. Choosing us for this job will not only enable you to capitalize on our expertise but also give you access to our unwavering dedication and customer-centric approach. We strive for customer satisfaction by delivering high-quality work on time, and I assure you no project is too big or small for us. Let's turn your dream of a user-friendly donation module that offsets penalties into a reality together! Thanks!
$30 SGD in 1 Tag
7,7
7,7

Hello Dear! I write to introduce myself. I'm Engineer Toriqul Islam. I was born and grew up in Bangladesh. I speak and write in English like native people. I am a B.S.C. Engineer of Computer Science & Engineering. I completed my graduation from Rajshahi University of Engineering & Technology ( RUET). I love to work on Web Design & Development project. Web Design & development: I am a full-stack web developer with more than 10 years of experience. My design Approach is Always Modern and simple, which attracts people towards it. I have built websites for a wide variety of industries. I have worked with a lot of companies and built astonishing websites. All Clients have good reviews about me. Client Satisfaction is my first Priority. Technologies We Use: Custom Websites Development Using ======>Full Stack Development. 1. HTML5 2. CSS3 3. Bootstrap4 4. jQuery 5. JavaScript 6. Angular JS 7. React JS 8. Node JS 9. WordPress 10. PHP 11. Ruby on Rails 12. MYSQL 13. Laravel 14. .Net 15. CodeIgniter 16. React Native 17. SQL / MySQL 18. Mobile app development 19. Python 20. MongoDB What you'll get? • Fully Responsive Website on All Devices • Reusable Components • Quick response • Clean, tested and documented code • Completely met deadlines and requirements • Clear communication You are cordially welcome to discuss your project. Thank You! Best Regards, Toriqul Islam
$30 SGD in 2 Tagen
5,6
5,6

Hello, I have solid experience with React.js, Node.js (Express), and PostgreSQL, and I’m comfortable implementing enhancements in existing production systems. I can complete your Donation Module within 1–2 days. Here’s how I would approach it: • Extend the PostgreSQL schema to link donation receipts with the existing penalty records. • Create a secure upload endpoint using Multer (with validation, file size/type restrictions, and proper storage handling). • Build a React-based upload interface inside the Member Website for submitting receipts. • Add Admin Panel functionality to review, approve, or reject uploaded receipts. • Integrate role-based authentication so only authorized members can upload and only admins can manage approvals. • Ensure clean integration with your current Express routes and middleware structure. • Test across both environments (admin + member subdomain setup). Code will be clean, modular, and merged safely into your existing repository. I’m ready to start immediately and deliver quickly without disrupting your current system.
$21 SGD in 7 Tagen
5,2
5,2

Greetings, I see that you're looking to enhance your Study Group web application by adding a Donation Module, allowing members to upload receipts to offset penalties. This is a valuable feature that can help foster community support and engagement. My approach would involve integrating file upload handling using Multer in your existing Node.js backend while ensuring a smooth user experience in React for the frontend. Since role-based authentication is also a requirement, I’ll make sure that only authorized users can access the donation features. With my experience in React.js, Node.js, and PostgreSQL, I can efficiently build this module and seamlessly integrate it with your existing penalty system. I've worked on similar enhancements before, which gives me confidence in delivering a solution that meets your needs. Best regards, Mehran Riaz
$20 SGD in 2 Tagen
5,1
5,1

Hi Hi, I can enhance your existing React + Node (Express) + PostgreSQL application by implementing a secure Donation Module with receipt upload using Multer, integrated cleanly with your current penalty system. Thnaks Anshuman
$25 SGD in 2 Tagen
3,8
3,8

꧁ ༺ ❤️ hi, ❤️ ༻ ꧂ I can extend your existing React + Node/Express + PostgreSQL system with a secure Donation Module using Multer for receipt uploads, linking submissions to the penalty table, and enforcing role-based access across Admin and Member environments (including subdomain setups). With strong experience in structured REST APIs, PostgreSQL schema updates, file storage best practices, and clean React form workflows, I can deliver this enhancement within 1–2 days with maintainable code and clear setup notes. Best regards, Stefan
$21 SGD in 7 Tagen
2,1
2,1

Hi, I would love to bring your Imagination to Life. I came across your project: Enhancement: Donation Module to Offset Penalties (React + Node.js + PostgreSQL) and what stood out to me is that this isn’t just about building a website, it’s about building something that works smoothly, scales properly, and supports your business goals. I am a reliable freelancer with 12+ years of experience in JavaScript, Web Development, Node.js and I helped many clients in the past. Visit my profile to check my latest work and reviews from past clients. Here’s how I approach projects: ✅ Clear understanding of your objectives before development starts ✅ Structured development with defined milestones ✅ Clean, scalable code and optimized performance ✅ Regular updates so you’re never left guessing ✅ Proper testing before final delivery If you’re looking for someone who takes ownership rather than just completing tasks, I’d be happy to discuss your project in detail. Let’s connect and turn your idea into a reliable digital product. Best regards, Mubashir
$21 SGD in 3 Tagen
0,0
0,0

We can quickly add the Donation Module to your existing system with a clean and structured approach. Our team has experience working with React.js, Node.js, Express, PostgreSQL, and role-based systems, and we are comfortable extending live applications without breaking current workflows. We will build a secure receipt upload feature using Multer, connect it with your existing penalty logic, and ensure proper validation, storage, and access control between the Admin Panel and Member Website. The implementation will follow your current architecture, database design, and authentication flow so everything remains consistent and maintainable. We can complete this within your expected 1–2 day timeline and provide clear testing and documentation. We are also experienced with subdomain-based environments and deployment setups.
$20 SGD in 7 Tagen
0,0
0,0

Hello, With my broad understanding of backend and frontend development, especially with Node.js, PostgreSQL and React.js which are vital for your project, I am confident that I can deliver a stellar Donation Module within your expected timeframe. As an engineer, one of my core skills is problem-solving which spans across multiple disciplines just like your project requires. Through the application of role-based authentication, file upload handling with Multer, and the study of your existing database to integrate these enhancements seamlessly, I will ensure that members can offset penalties by uploading their donation receipts conveniently. In addition to my technical competence, my approach mirrors that which you'd find in an academic setting. I focus on building deep understanding and establishing strong practical connections between theory and practice; this i believe well aligns with your project needs. Having tackled complex projects in the past ࣠for example subdomain deployment emphasis which you also require àˆ I have developed a knack for delivering quality solutions efficiently. My aim is to provide clear, tailored guidance that helps you meet your project goals precisely. If you seek a seasoned expert with a distinctive blend of technical acumen and a passion for bridging gaps between complex concepts and real-world applications then I'm perhaps the best fit. Let's discuss further how we can enhance your Study Group web application! Thanks!
$12 SGD in 3 Tagen
0,0
0,0

I’m a results-driven WordPress developer and social media manager specializing in modern, high-conversion websites and growth-focused content strategies. I build fast, mobile-first websites and manage social platforms to increase engagement, trust, and sales. Let’s grow your brand professionally.
$21 SGD in 7 Tagen
0,0
0,0

I’m a strong fit because this is a focused enhancement to an existing system, and I specialize in clean, production-safe integrations. I have solid experience with React.js, Node.js (Express), PostgreSQL, and secure file uploads using Multer. I’ve implemented role-based authentication and worked with split environments like Admin and Member panels. I can extend your database, integrate receipt uploads securely, connect them to the existing penalty logic, and ensure proper admin verification — all without disrupting current functionality. I can complete this within 1–2 days and start immediately.
$21 SGD in 3 Tagen
0,0
0,0

Hi, I have carefully reviewed your requirement for adding a Donation Module to your existing React + Node.js (Express) application. Since your penalty system already exists, I can integrate a secure receipt upload system and connect it directly to the current database logic. I have experience building full-stack applications with React, Express, JWT-based authentication, and role-based access control. I can implement: • Receipt upload using Multer • Secure file storage (local or cloud as required) • PostgreSQL integration for donation records • Role-based access (Admin approval / Member upload) • Clean UI integration in both Admin and Member panels I can complete this within 2 days with clean, maintainable code and proper API structure. Let’s discuss the exact receipt validation and approval workflow. Looking forward to working with you.
$15 SGD in 2 Tagen
0,0
0,0

Hi, I read your workflow carefully — you need a fully automated integration between Stripe, Make, and Yetiforce where each successful payment checks/creates the customer, verifies or creates the service, issues two documents (Invoice if VAT exists, Receipt if not), marks them as paid, and prevents duplicates. The same logic must work across multiple clients, each with their own Stripe and Yetiforce instances. I’ve built Stripe-to-CRM automations using webhooks and Make scenarios with VAT-based branching, idempotency protection, and multi-account setups. In a recent project, I standardized one automation blueprint that could be cloned per client, with isolated API credentials but shared logic — making onboarding new tenants fast and consistent. For your system, I’d implement a Make scenario that: • Listens to Stripe payment_succeeded events • Uses Payment Intent ID as a unique key (duplicate prevention) • Applies VAT logic to determine Invoice vs Receipt • Syncs Stripe products to Yetiforce services • Creates two documents and marks them paid • Logs all executions for traceability We’ll validate everything in Stripe sandbox before production rollout. Quick question: are we using Yetiforce’s standard REST API for document creation, or a customized module? Best regards, Mihailo
$21 SGD in 7 Tagen
0,0
0,0

Hello, I’m very interested in enhancing your existing Study Group web application by integrating the Donation Module. With hands-on experience in React.js, Node.js (Express), and PostgreSQL, I have successfully developed and enhanced full-stack applications with role-based authentication, secure file uploads, and structured database integrations. ✅ How I Will Implement the Donation Module ✔ Frontend (React.js) Create a clean and intuitive donation submission interface for members Secure receipt upload component Donation status tracking (Pending/Approved/Rejected) Admin review dashboard integration ✔ Backend (Node.js + Express) Secure REST APIs for donation submission and review File upload handling using Multer Proper validation and error handling Role-based access control (Admin/Member) ✔ Database (PostgreSQL) Extend existing penalty system Create donation and receipt tracking tables Link donation records to member penalties Ensure transactional integrity and clean schema updates ✔ Admin Panel Enhancements Receipt preview Approve/Reject functionality Automatic penalty adjustment after approval ✔ Security & Deployment Secure file storage strategy Subdomain compatibility Proper authentication middleware integration Clean, scalable, and production-ready code
$21 SGD in 7 Tagen
0,0
0,0

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₹750-1250 INR / Stunde
₹12500-37500 INR