William Le Gall

I designed FastQuote, a comprehensive SaaS for freelancers and small businesses to simply manage their quotes, invoices, clients, and online payments.

🚀 Objectives:

Centralize all commercial management on a single platform

Automate repetitive tasks (reminders, VAT, client follow-up…)

Offer a fast and reliable UX with a clean and responsive design

🛠️ Features Developed:

Full authentication (multi-organization, OAuth, secure sessions)

Creation, sending, and tracking of customizable quotes & invoices

Online payment (one-shot or installments) via Stripe

Real-time statistics & analytics per organization

Management of services, clients, and users with roles

Multilingual, responsive, and SEO optimized

Robust backend with Prisma, PostgreSQL, and Redis cache

CI/CD and hosting on Vercel, based on Neon

💡 Result: an ultra-performant SaaS, designed for freelancers who want to focus on their business, not administration.

As a full-stack developer, I designed and developed an innovative SaaS from scratch to simplify quote, invoice, and payment management for freelancers and small businesses.

🚀 Project Objectives:

Meet the real needs of freelancers: time saving, simplicity, automation

Offer a fast and fluid UX, even on mobile

Integrate real-time payment and reporting tools

🛠️ Achievements:

Complete technical architecture with Next.js (App Router) and MongoDB

Setup of authentication, multi-user management, and subscription system

Development of a dynamic dashboard with real-time statistics

Integration of Stripe for billing and installment payments

SEO and performance optimizations (cache, revalidation, edge functions)

Deployment on Vercel with automated CI/CD

💡 Result: a 100% SaaS product, secure, scalable.

The Wild Code School Full Stack Web Developer training is an intensive program that trains in web technologies, from front-end to back-end. Delivered remotely, it allows learning languages like HTML, CSS, JavaScript, as well as modern frameworks like React, Node.js, and Express. The pedagogical approach is based on practice with concrete projects, teamwork, and the support of experienced mentors. This training prepares for entering the job market as a full-stack web developer, with an agile and collaborative approach. 🚀