freeCodeCamp

From Flutter to Backend: How to Build Production-Grade REST APIs with Dart and Dart Frog

Oluwaseyi Fatunmole |
Dart backend frameworks exist on a spectrum. At the minimal end sits Shelf, with raw primitives and full control. You wire everything yourself. At the maximal end sits Serverpod. It's a full framework... read more

How to Scale Laravel Applications for High-Traffic Production Systems

Olamilekan Lamidi |
Your first scaling problem rarely arrives with a bang. For a while, everything is fine: pages load fast, the database barely breaks a sweat, and the team ships features without thinking much about inf... read more

How to Start your Career in Tech with freeCodeCamp - Full Talk in Spanish

Estefania Cassingena Navone |
Technology is rapidly reshaping the world. Understanding how to use free learning resources and contribute to open source projects can be very helpful to start your career in this field. We just publi... read more

Web Scraping for Beginners 2026

Beau Carnes |
If you have ever wanted to collect product data, monitor competitors, track SEO rankings, or build AI tools that pull information from the internet, you have likely run into the common frustrations of... read more

How to Build a PostgreSQL-Backed Job Queue in Go

timothy ogbemudia |
When you build a web application, not every task should happen inside a user's request. Some work is slow. Some work can fail. Some work should happen later. Sending emails, resizing images, processin... read more

Open Source Tools Every STEM Student Should Know About

Manish Shivanandhan |
Technology has changed the way students learn science, mathematics, engineering, and computer science. A decade ago, most STEM students depended on textbooks, calculators, and expensive licensed softw... read more

Database Version Control with Liquibase and Spring Boot

Ashutosh Krishna |
Picture this familiar scenario: you're working on a new feature that requires a new database column. You open your local database client, write an ALTER TABLE statement, and execute it. Your code work... read more

How to Optimize Enterprise Knowledge Graphs for Scalable Digital Product Platforms

Kamal Kishore |
Enterprises are building more and more digital products that depend on real time intelligence. This means that being able to connect, contextualize, and reason over data has become a core capability.... read more

How to Build a Browser-Based PDF Metadata Editor Using JavaScript – A Step-by-Step Guide

Bhavin Sheth |
PDF files contain more information than what appears on the page. Behind every PDF document is metadata that stores information such as the document title, author, subject, keywords, creator applicati... read more

How to Choose the Best Stock Market API for FinTech Projects and AI Agents

Nikhil Adithyan |
Choosing a stock API looks simple until the project becomes real. At first, you only need a few prices. You send a request, get JSON back, load it into pandas, and move on. But the moment that API sta... read more