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Web development studio

Sass in Washington — Web development studio

Ox Dev uses Sass for maintainable, organised stylesheets at scale. Variables, mixins, functions — augmented CSS for serious projects. We support businesses in Washington.

Scroll©2026
ReactNext.jsTypeScriptNode.jsSEOPerformanceUI DesignFiveMRedM

(01)The studio

We design websites and web applications that get noticed: fast, accessible, built for search engines and crafted down to the pixel to turn your visitors into customers.

Sass in Washington

  1. 01Sass experts — we structure your stylesheets with 7-1 or ITCSS architecture for long-term maintainable CSS projects.
  2. 02Reusable mixins, Sass functions, @each and @for loops — we eliminate repetition and industrialise your CSS.
  3. 03Sass with design tokens: centralised variables, consistent theming, automatic utility class generation.
  4. 04Sass integration with Vite, Webpack or CSS-in-JS frameworks — we adapt Sass to your build stack.
  5. 05Migration from Sass projects to Tailwind CSS or CSS custom properties, stylesheet audit — we modernise your CSS.
Lighthouse score targeted on every launch
100
Response time to your requests
24h
Languages: French and English
2

(02)Services

What we do best

From the first idea to launch, one partner for your whole project.

  • 01

    Web development

    Modern websites and high-performance applications with React and Next.js.

    React · Next.js · Node.js

  • 02

    UI/UX design

    Clear interfaces and user experiences built around your goals.

    Interfaces · Prototypes · Motion

  • 03

    SEO & performance

    Launch, organic search and green Core Web Vitals.

    SEO · Core Web Vitals · Analytics

  • 04

    E-commerce

    Reliable online stores with secure payment flows.

    Stripe · Catalog · Checkout

  • 05

    Mobile apps

    Fast cross-platform experiences and progressive web apps.

    PWA · Responsive · Offline

  • 06

    FiveM & RedM gaming

    Custom scripts, frameworks and tools for roleplay servers.

    Lua · C# · React NUI

(03)Contact

Let’s talk about your project

Tell us about your idea: we reply within one business day.

Email us directly

contact@ox-dev.fr