# Building a Full-Stack Sales Forecasting Web App from a Legacy Excel Tool

DevFeed: [Building a Full-Stack Sales Forecasting Web App from a Legacy Excel Tool](<https://devfeed.tech/articles/reinventing-a-full-stack-web-app-here-s-how-40849.md>)

Original publisher: [Read original article](<https://mutto.fyi/posts/2024/11/my-journey-with-webapp/>)

Published: 2024-11-13T00:00:00Z

Content type: tutorial

Language: en

Sources: [Mutt0-ds Notes](<https://devfeed.tech/sources/mutt0-ds-notes.md>)

Topics: [Full-Stack](<https://devfeed.tech/topics/full-stack.md>), [Full Stack Development](<https://devfeed.tech/topics/full-stack-development.md>), [Web app](<https://devfeed.tech/topics/webapp.md>), [Development](<https://devfeed.tech/topics/development.md>), [data-engineering](<https://devfeed.tech/topics/data-engineering.md>), [Data Science](<https://devfeed.tech/topics/data-science.md>), [Back end](<https://devfeed.tech/topics/backend.md>), [Front end](<https://devfeed.tech/topics/frontend.md>), [Database](<https://devfeed.tech/topics/database.md>), [legacy](<https://devfeed.tech/topics/legacy.md>)

Tags: [backend](<https://devfeed.tech/tags/backend.md>), [data-engineering](<https://devfeed.tech/tags/data-engineering.md>), [data-science](<https://devfeed.tech/tags/data-science.md>), [database](<https://devfeed.tech/tags/database.md>), [development](<https://devfeed.tech/tags/development.md>), [frontend](<https://devfeed.tech/tags/frontend.md>), [full-stack](<https://devfeed.tech/tags/full-stack.md>), [full-stack-development](<https://devfeed.tech/tags/full-stack-development.md>), [legacy](<https://devfeed.tech/tags/legacy.md>), [web-app](<https://devfeed.tech/tags/web-app.md>)

## AI overview

This article describes the author's experience building a prototype full-stack sales forecasting web app to replace a legacy Excel tool powered by VBA macros. It explains the application's frontend, backend, database, calculations, data movement, and security components while acknowledging that some project details remain vague.

## Source excerpt

🧠 Breaking Down Full Stack Development This post has been sitting in my drafts for over 7 months for two reasons: First, since the project...