Billinvo (Q&I Pro)
Billinvo is a modern invoicing and billing platform designed to help freelancers and small businesses create, manage, and track quotations and invoices efficiently. The system streamlines financial workflows, improves cash flow visibility, and includes admin-managed subscription billing with integrated online payments.
⚠️ Problem
Many small businesses and freelancers struggle with manual invoicing, poor tracking of payments, and disorganized financial records, leading to delayed payments and inefficiencies.
💡 Solution
Billinvo provides a centralized platform for quotation and invoice management and client tracking, while enabling administrators to manage user subscriptions and process payments via M-Pesa and PayPal. This ensures better control, consistency, and simplified billing operations.
⚙️ Process
Developed a scalable SaaS platform using Laravel for backend logic and data management. Built a responsive and interactive interface using Tailwind CSS and Alpine.js. Implemented admin-controlled subscription billing workflows and integrated M-Pesa and PayPal APIs for secure payment processing. Focused on usability, system reliability, and maintainable architecture.
📊 Results
Improved operational efficiency by centralizing invoicing and enabling controlled subscription management, reducing manual workload and ensuring consistent billing processes.
Tech Stack
Laravel
Tailwind CSS
Alpine.js
M-Pesa API Integration
PayPal Integration
Key Features
Invoice and quotation creation and management
Client management system
Admin-controlled subscription billing
Payment processing via M-Pesa
Payment processing via PayPal
Payment tracking and records
Downloadable PDF invoices
Responsive user interface
Secure data handling