San Francisco, CAAvailable for work
Hi, I'm Alex Rivera
A frontend developer who loves building fast, accessible, and beautiful web experiences with React and TypeScript.

Skills & Technologies
TypeScriptReactNode.jsTanStack RouterTailwind CSSPostgreSQLGraphQLViteTesting LibraryGit
Featured Projects
All projectsPortfolio & Resume Site
TaskFlow — Project Management App
Recent Posts
All postsGetting Started with TanStack Start
TanStack Start is a full-stack React framework built on TanStack Router. Here's what makes it different from Next.js and why I switched.
React 19: What's Actually New and Why It Matters
React 19 shipped with the Actions API, improved hydration error messages, and the new use() hook. Here's a practical breakdown of what changes your day-to-day development.
Tailwind CSS v4: A Complete Guide to What Changed
Tailwind CSS v4 rewrites the engine in Rust, drops the config file, and moves to CSS-first configuration. Here's everything you need to know to migrate.
Let's Work Together
I'm open to freelance projects, full-time roles, and interesting collaborations. Reach out!
Get In Touch