
Frontend Development Senior Experience. Delivering adaptive, fast and scalable interfaces Core Expertise Rendering, Web Performance, and Build optimization Scalable systems, Technical SEO, and Accessibility (A11y) GILT: Globalization, Internationalization, Localization, and Translation Developer Experience (DX), Refactoring, and Migration Multi-brands & Marketing Technology Integrations ·~•◁[≈&&≈]▷•~· Agnostic in JS Frameworks NuxtJS VueJS Astro Remix React MDX Shadcn/ui Flowbite Preline DaisyUI SolidJS SvelteKit See detail package.json CSS Styling Pick Your Style Text Smoothing Corner Smoothing styling.css `@layer architecture { /* BEM & ITCSS / / SCSS, Styled Components, TailwindCSS & PostCSS / / Bootstrap & MaterialDesign CSS / }` Compatibility PWA / Service Worker / Workbox Content Security Policy & CORS Electron + Capacitor (Ionic) Modernizr & Browser APIs Multimedia Font, Image & Icon optimization SVG & Lottie Animations Motion & GSAP Architecture Design Systems with atoms, tokens, components catalogues & templates. UI Design Patterns for dynamic and adaptive styling and versatile applications. Incremental refactoring of codebases. ·•(&&)*•· Developer Experience (DX) NPM Gulp Babel WebPack Vite VsCode CoPilot EsLint Prettier StyleLint Browserslist Editorconfig Quality Assurance Quality assurance `Sentry && TrackJS BDD/TDD --Jest --Jasmine Integration && Unit testing` —·¤·∞•«⟨≡&&≡⟩»•∞·¤·— Contact Delft, The Netherlands linkedin/robertjansen

Frontend Development

Senior Experience. Delivering adaptive, fast and scalable interfaces

Core Expertise

Rendering, Web Performance, and Build optimization
Scalable systems, Technical SEO, and Accessibility (A11y)
GILT: Globalization, Internationalization, Localization, and Translation
Developer Experience (DX), Refactoring, and Migration
Multi-brands & Marketing Technology Integrations

·~•◁[≈&&≈]▷•~·

Agnostic in JS Frameworks

NuxtJS
VueJS
Astro

Remix
React
MDX

Shadcn/ui
Flowbite
Preline
DaisyUI

SolidJS
SvelteKit

See detail package.json

CSS Styling

Pick Your Style

Text Smoothing

Corner Smoothing

@layer architecture {
  /* BEM & ITCSS */
  /* SCSS, Styled Components, TailwindCSS & PostCSS */
  /* Bootstrap & MaterialDesign CSS */
}

Compatibility

PWA / Service Worker / Workbox
Content Security Policy & CORS
Electron + Capacitor (Ionic)
Modernizr & Browser APIs

Multimedia

Font, Image & Icon optimization
SVG & Lottie Animations
Motion & GSAP

Architecture

Design Systems with atoms, tokens, components catalogues & templates.
UI Design Patterns for dynamic and adaptive styling and versatile applications.
Incremental refactoring of codebases.

·•*(&&)*•·

Developer Experience (DX)

NPM
Gulp
Babel
WebPack
Vite
VsCode
CoPilot
EsLint
Prettier
StyleLint
Browserslist
Editorconfig

Quality Assurance

Sentry && TrackJS
BDD/TDD --Jest --Jasmine
Integration && Unit testing

—·¤·∞•«⟨≡&&≡⟩»•∞·¤·—