Joel MacDonald

I build fast, accessible web apps with React, TypeScript, and Next.js. Focused on clean UI/UX, performance, and code that scales, from idea to production.

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Featured Work

In the Spotlight

Trendwave is a case study in turning messy trading activity into usable intelligence: Hyperliquid has the data, but most traders can't access detailed, accurate performance stats they can trust.

Problem

Without reliable metrics, tracking progress becomes guesswork and decision-making slows down.

Solution

Trendwave turns raw activity into a clean, analytics-first dashboard, so you can measure what matters and trade with confidence.

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FullstackNext.js

Trendwave: Trading Analytics You Can Trust

About Me

Skills & experience

I started in mobile development, then shifted into building complex web applications from scratch, from responsive SPAs to full-stack products with real users and real data. I've spent a lot of time refactoring legacy codebases: untangling old patterns, improving performance, and bringing in modern tooling so teams can move faster without breaking what already works. Performance and optimization are a constant focus: faster loads, leaner bundles, and smoother UX.

These days I work across the stack, front end, APIs, and data, and I'm deep into AI-assisted development. I use Claude Code and ChatGPT as daily tools for faster implementation, clearer documentation, and smarter debugging. I care about clean code, performance, solid UX, and shipping on time without cutting corners.

JavaScript

TypeScript

React

Next.js

Node.js

Tailwind

HTML

CSS

Redux

MongoDB

Docker

Git

React Native

Event and party planning for guateques and cultural nights. Discover events, share plans, and coordinate the perfect get-together.

ReactNode.jsMongoDB

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Get in touch

Let's build something

Open to new opportunities and interesting projects. Drop a line and I'll get back quickly.

LocationSeattle, Washington

jmacd87@gmail.com