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21sieben

Urs Grupp Frontend architect. UX/UI engineer.

Profile

Hello! I’m Urs Grupp, frontend engineer from the city of Freiburg in Southern Germany. Working as a web developer for more than 10 years, I’ve delivered award-winning high-quality results in dozens of web projects.

In 2017, I launched 21sieben, a digital coding house where I’m handcrafting rock-solid, unique websites and web apps with an eye for detail. My passion lies in bringing beautiful designs to life, leveraging the full power of frontend technology.

When I’m not coding I like working the Black Forest, going sailing or snowboarding. Occasionally, you can find me in a concert hall with my orchestra, playing the violin.

Working experience

since 2017	Freelance Web Developer 21sieben
2016 - 2017	Technical Director Frontend & CMS Land in Sicht AG
2015 - 2016	Web Developer Land in Sicht AG
2013 - 2017	Freelance Web Developer Urs Grupp Webentwicklung
2008 - 2013	Web Developer hanfweihnacht Communication GbR

Skills

HTML & CSS

I’m building responsive, cross-browser compatible, maintainable, extendable and valid frontend components, based on CSS3+ and HTML5.

Following a modular approach by using conventions like BEM or Atomic Design and tools like Fractal or Pattern Lab, I’m proficient in rapidly creating design systems and component libraries at scale.

SASS
LESS
PostCSS
BEM
Atomic Design
ITCSS
CSS Grid
Flexbox
Twig
Pug (Jade)
Pattern Lab
Fractal
Bootstrap

JavaScript

My frontend components are enriched by JavaScript functionality, following the progressive enhancement principle. By utilizing module bundlers, ES6 and Babel, my code becomes very robust and future-proof, while still being executable in legacy browsers.

I’m also experienced in using frameworks like React or Vue.js – either to build single-page applications or interactive modules integrated within classic websites.

React
Apollo
GraphQL
Vue.js
ES6
SPA
Node.js
Babel
npm
webpack
jQuery

Development/Scaffolding

I aim to automate my build workflow, ensuring rapid development as well as a clean and reusable codebase. Leveraging continuous integration tools, I’m able to reduce risk and overheads across the development and deployment process.

webpack
gulp
Grunt
Yeoman
Linting
CI
Deployer
Buddy
Netlify

Content Management

I take care of integrating a web app or website into a content management system like Craft CMS, eZ Publish, Redaxo or Wordpress.

I also apply static site generators whenever possible. Take this site, which is built with Eleventy.

Gatsby
Eleventy
Jamstack
Headless CMS
Craft CMS
eZ Publish
Redaxo
Wordpress

DevOps

Production experience (selection):

Linux
Apache
MySQL
PHP
nginx
SSL
DNS-/Domain-Management
Solr
Continuous integration
Varnish
Docker

Version control

I’m proficient in using version control systems like git or Apache Subversion.

git
git-flow
Bitbucket
SVN

Performance

My web applications feel snappy and score high on performance analysis tools like Google Pagespeed Insights, webpagetest.org or Google Lighthouse. This is accomplished by utilizing caching, minification, Critical CSS and fine-tuning the server configuration. And, of course, just a performance- and detail-oriented way of coding.

SEO

My components are optimized for search engines by default, ensuring good visibility on Google and other search engines. Of course, any analysis tool (Google Analytics, Piwik, Hotjar etc.) can be integrated into my code.

Get in touch

I’m currently available for hire. I like working on web projects of any size and complexity, preferably doing remote work in an agile environment. That being said, of course, I’m totally fine with traveling from time to time.

If you’re interested in working together or would like to learn more about me and my work, just drop a line and we’ll talk details:

urs@21sieben.de