Design and Implementation of a Scalable SaaS-Based Billing and Invoicing System for SMEs using Flutter and Laravel-10

Mr. Harshanand A. Walde1; Mr. Kishor Kubde; Mr. Mohit Lengure

doi:10.5281/zenodo.20127188

April 8, 2026Open Access

Design and Implementation of a Scalable SaaS-Based Billing and Invoicing System for SMEs using Flutter and Laravel-10

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Key Points

This project aims to develop a scalable SaaS-based billing and invoicing system for small businesses.
Developed a mobile application named QuickBill using Flutter for the frontend and Laravel 10 for the backend.
Implemented features like automated GST calculations and offline data synchronization.
Ensured 100% data integrity across online and offline usages.
The application significantly reduces administrative workload for users.
Achieved 100% data integrity in both online and offline states.
Successful implementation of automated GST calculations with PDF generation.

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Implication

Shows automated billing reduces workload for small entrepreneurs, implying increased efficiency.

Abstract

The rapid digital transformation of the retail sector necessitates robust, high-performance billing systems for small-scale entrepreneurs and freelancers. This paper details the development of QuickBill, a SaaS-based mobile application designed to eliminate manual calculation errors and streamline inventory management. Utilizing a decoupled architecture with Flutter for the mobile interface and Laravel 10 for backend services, the system provides automated GST calculations, professional PDF generation, and an offline-first synchronization module. Results indicate that the application significantly reduces administrative workload while ensuring 100% data integrity across online and offline states.

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Walde1 et al. (2026) studied this question.

synapsesocial.com/papers/6a0415aa79e20c90b44456e2 https://doi.org/10.5281/zenodo.20127188

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Design and Implementation of a Scalable SaaS-Based Billing and Invoicing System for SMEs using Flutter and Laravel-10

Key Points

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Abstract

Discussion

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Design and Implementation of a Scalable SaaS-Based Billing and Invoicing System for SMEs using Flutter and Laravel-10

Key Points

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Implication

Abstract

Discussion

Cite This Study

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