In no particular order, here are some of my work samples:

To-do app built with React-GraphQL and fully manange on all AWS infrastructure: Amplify, CloudFront, AppSync, Cognito, etc.
https://dev.d3nsqe9icquz1p.amplifyapp.com/
User: fidoogle Pwd: Test1234 or Register your own

POC for new commercial accounts. Click onGrid View, List View, Usage, Payment, and back to Overview
https://elastic-curie-6e79c7.netlify.com/

A searchable expandable Tree of data:
https://7j40z5l400.csb.app/#/

Different EKG Charts I did. You can pan/zoom. There's close to 240k data points.
http://fierce-dawn-33751.herokuapp.com/pages/ekgPixi.html (React PixiJS)
http://fierce-dawn-33751.herokuapp.com/pages/ekgD3.html (Vanilla JS D3)

This one uses React and RxJS to hit a websocket to update the chart:
https://pedantic-nobel-7de885.netlify.com/chart-rxjs-websocket/

This one uses GreenSock Animation Platform (GSAP) to animate a card's details when clicked on:
https://laughing-turing-0eece2.netlify.com/

Search the iTunes store, like "Beatles", "Disney", etc
https://trusting-newton-ee27c5.netlify.com/

You can't tell but I built a GraphQL endpoint to hit both a Salesforce API and a Wordpress site to pull data from:
https://romantic-wescoff-28c94b.netlify.com/

Samples on Plunkr:
https://plnkr.co/users/fidoogle/plunks

Samples on Github:
https://github.com/fidoogle?tab=repositories

Samples on Codesandbox:
https://codesandbox.io/dashboard/recent