HTML - templating languages, style guides, pattern libraries, prototyping
CSS - Sass, Less, PostCSS, BEM & ITCSS
JavaScript - ES6+, React, Redux, NextJS, Gatsby
Accessibility - testing, audits, education and improvement
Team leadership - code standards and best practices, training, consultation, hiring
Workflow - Git, automation, testing, continuous integration and delivery, kanban & scrum

Getting into building component libraries.

Titan UI - A reusable CSS Framework which comes with Typescript React Components that help spin up websites faster.

Performance Kit V2 - A NextJS project that outputs static generated blog pages focused around performance

I like working on small projects on the side of my day to day so if you need help building a website then get in touch.