SINISTEROID

(03) Capability matrix

SKILLS

Rated on the same five-point scale as everything I ship.

54skills9groups

Frontend Development

18 skills
Next.js (App Router, SSG)
REST APIs
HTML5
React
JavaScript
TypeScript
Web Performance (Core Web Vitals)
WebGL / GLSL Shaders
Service Workers / PWA Caching
i18n & RTL Localization
Web Accessibility (a11y)
SEO & Structured Data (JSON-LD)
Vue.js
Angular
Redux
Gatsby
Vite
GraphQL

Backend Development

5 skills
PHP
Node.js
Python
Rust
Express.js

Styling

10 skills
TailwindCSS
CSS3/Sass
CSS Custom Properties / Design Tokens
Advanced CSS Animation & Motion Design
Responsive Layout (Grid/Flex)
Bootstrap
Bulma
Semantic UI
Material-UI
styled-components

CMS

4 skills
WordPress
Elementor Pro
WooCommerce
Rank Math

Database Expertise

4 skills
MySQL
MariaDB
MongoDB
Firebase

Tools & Workflow

5 skills
ESLint + Prettier
Lighthouse / Performance Auditing
Image Optimization (sharp, WebP/AVIF)
Node.js Build Tooling & Scripts
Git/GitHub

AI Prompting

3 skills
Software Development
Content Creation
Creative Problem-Solving

Media Editing

3 skills
Adobe Photoshop (Editing)
Adobe Illustrator (Vector Editing)
SVG Code Editing

Social Skills

2 skills
Brainstorming / Ideation
Adaptability