Jean Emmanuel Cadet

Jean Emmanuel is a Ruby on Rails developer focused on building scalable, maintainable web applications. He specializes in the modern Rails ecosystem, leveraging PostgreSQL, SQLite, and Hotwire (Turbo/Stimulus) to deliver fast, dynamic user experiences. Through CodeCurious, he shares practical lessons and real-world solutions for the modern developer.

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Optimizing SQLite for Rails 8 Production: A Complete Guide

Web Development

14 min read

Optimizing SQLite For Rails 8 Production: A Complete Guide

Learn how to optimize SQLite for Rails 8 production with WAL mode, busy timeouts, Solid Queue, and database.yml best practices.

Jean Emmanuel Cadet Jun 20, 2026

Hotwire vs React: Which Should You Pick in 2026?

Web Development

10 min read

Hotwire Vs React: Which Should You Pick In 2026?

Hotwire vs React in 2026: discover which approach fits your project best, with real code examples, and honest tradeoffs.

Jean Emmanuel Cadet Jun 06, 2026

Web Development

11 min read

Rails Link_to Vs Button_to: When Should You Use Each?

Learn the difference between link_to and button_to in Ruby on Rails with real-world examples, code snippets, and beginner tips.

Jean Emmanuel Cadet May 23, 2026

How to Build a Blog with Ruby on Rails 8(Step-by-Step Guide)

Web Development

15 min read

How To Build A Blog With Ruby On Rails 8(Step-by-Step Guide)

Learn how to build a blog with Ruby on Rails 8 step by step. Real code, real examples, and beginner-friendly explanations.

Jean Emmanuel Cadet Mar 30, 2026

Fix N+1 Queries in Rails: A Developer's Journey to Speed

Web Development

4 min read

Fix N+1 Queries In Rails: A Developer's Journey To Speed

Learn to detect and fix Rails N+1 queries with real examples. Transform slow apps into fast ones with includes and eager loading.

Jean Emmanuel Cadet Jan 26, 2026

Master Ruby and Rails Challenges: From Overwhelmed to Pro

Web Development

6 min read

Master Ruby And Rails Challenges: From Overwhelmed To Pro

Learn to break down Ruby on Rails coding challenges into manageable steps. Build confidence with this systematic approach.

Jean Emmanuel Cadet Jan 08, 2026

Rails MVC Tutorial for Beginners (Model View Controller)

Web Development

8 min read

Rails MVC Tutorial For Beginners (Model View Controller)

Learn Rails MVC using a simple restaurant analogy. Beginner-friendly guide to Models, Views, and Controllers. Start coding today!

Jean Emmanuel Cadet Dec 20, 2025

Rails build vs new: Complete Guide (2025)

Learning Concepts

6 min read

Rails Build Vs New: Complete Guide (2025)

Learn the difference between build and new in Rails associations. Spoiler: they're identical! Best practices & examples included.

Jean Emmanuel Cadet Nov 24, 2025

Git Aliases That Boost Your Coding Speed by 10x

Learning Concepts

4 min read

Git Aliases That Boost Your Coding Speed By 10x

Discover powerful Git aliases that transform your workflow. Save time, reduce keystrokes, and code faster with these shortcuts.

Jean Emmanuel Cadet Nov 17, 2025

Design System vs System Design: What’s the Difference?

Design & UX

7 min read

Design System Vs System Design: What’s The Difference?

Learn the difference between design system and system design to build products that look great and work reliably.

Jean Emmanuel Cadet Nov 07, 2025

Services Tailored to Your Needs

Web & Mobile Development

Custom websites and mobile apps built to be fast, modern, and user-friendly. From sleek landing pages to full-scale applications, I deliver solutions that engage your audience and grow your business.

API development

Seamlessly connect your systems with secure, scalable APIs. I design and integrate APIs that improve efficiency, reliability, and flexibility for your business processes.

Database design and management

Reliable database solutions tailored to your needs. I design, optimize, and maintain databases that ensure performance, security, and scalability for your applications.

Jean Emmanuel Cadet

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Code. Learn. Grow.

Services Tailored to Your Needs

Web & Mobile Development

API development

Database design and management