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feat: update resume

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Stefan Imhoff
2026-01-20 14:50:23 +01:00
parent 531873fa03
commit 832bb08ffc
6 changed files with 297 additions and 360 deletions
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381
src/pages/cv.astro
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@@ -7,20 +7,18 @@ import Headline from '../components/Headline.astro';
import ListItem from '../components/ListItem.astro';
import PageTitle from '../components/PageTitle.astro';
import Subheadline from '../components/Subheadline.astro';
import Subsubheadline from '../components/Subsubheadline.astro';
import Text from '../components/Text.astro';
import TextLink from '../components/TextLink.astro';
import UnorderedList from '../components/UnorderedList.astro';
import cv from '../data/cv.json';
import { Content as Intro } from '../text/cv/intro.mdx';
import { Content as InterestsHobbies } from '../text/cv/interests-hobbies.mdx';
import { mapping } from '../mdx-components';
const title = 'CV';
const description =
'The curriculum vitae of Stefan Imhoff, Senior Software Engineer from Hamburg, Germany.';
const title = 'Resume';
const description = 'The resume of Stefan Imhoff, Senior Software Engineer from Hamburg, Germany.';
---
<GridLayout
@@ -33,113 +31,326 @@ const description =
noindex={true}
title={title}
>
<PageTitle grid="wide" innerGrid>Curriculum Vitae</PageTitle>
<PageTitle grid="wide" innerGrid>Resume</PageTitle>
<article class="col-span-full md:col-start-1 md:col-end-9">
<Headline>{cv.summary.headline}</Headline>
<Headline>Professional Summary</Headline>
<Intro components={mapping} />
</article>
<article class="col-span-full md:col-start-10 md:col-end-18">
<Headline>Personal Information</Headline>
<Subheadline class="font-semibold">{cv.personal.name}</Subheadline>
<Text class="!mbe-0">{cv.personal.tagline}</Text>
<TextLink href="https://www.stefanimhoff.de">Website</TextLink> •
<EmailLink data-domain="stefanimhoff" data-name="cv" data-tld="de" icon={false} /> •
<!-- <DownloadLink href="/downloads/cv-stefan-imhoff.zip" text="CV" /> • -->
<DownloadLink href="/downloads/business-card-stefan-imhoff.zip" text="VCard" />
<Subheadline class="font-semibold">Stefan Imhoff</Subheadline>
<Text class="!mbe-0">Senior Software Engineer / Design System Authority</Text>
<ul class="flex list-none flex-wrap items-center gap-2 p-0">
<li><TextLink href="https://www.stefanimhoff.de">Website</TextLink></li>
<li aria-hidden="true">•</li>
<li>
<EmailLink data-domain="stefanimhoff" data-name="cv" data-tld="de" icon={false} />
</li>
<li aria-hidden="true">•</li>
<li><DownloadLink href="/downloads/resume-stefan-imhoff.zip" text="Resume" /></li>
<li aria-hidden="true">•</li>
<li><DownloadLink href="/downloads/business-card-stefan-imhoff.zip" text="VCard" /></li>
</ul>
</article>
<Divider class="col-span-full w-[90] !mbe-0 !mbs-0" />
<article class="col-span-full md:col-start-1 md:col-end-9">
<Headline>{cv.experience.headline}</Headline>
{
cv.experience.items.map((item) => (
<div>
<div class="mbe-10">
<Subheadline class="font-semibold">{item.title}</Subheadline>
<div class="italic mbe-2 no-common-ligatures">{item.duration}</div>
<div class="leading-none">
<strong>{item.company}</strong> / {item.location}
</div>
{item.url && (
<div>
<TextLink href={item.url}>
{item.url.replace(/https?:\/\//, '')}
</TextLink>
</div>
)}
</div>
{item.tasks.length > 0 && (
<UnorderedList>
{item.tasks.map((task) => (
<ListItem>{task}</ListItem>
))}
</UnorderedList>
)}
</div>
))
}
<Headline>Professional Experience</Headline>
<Headline>{cv.education.headline}</Headline>
{
cv.education.items.map((item) => (
<div class="mbe-12">
<Subheadline class="font-semibold">{item.degree}</Subheadline>
<div class="italic mbe-2 no-common-ligatures">{item.duration}</div>
<div>
<div class="mbe-10">
<Subheadline class="font-semibold">Senior Software Engineer</Subheadline>
<div class="flex items-center justify-between mbe-2">
<div class="leading-none">
<strong>{item.school}</strong> / {item.location}
<strong><TextLink href="https://www.xing.com">XING</TextLink></strong>
</div>
{item.url && (
<div>
<TextLink href={item.url}>
{item.url.replace(/https?:\/\//, '')}
</TextLink>
</div>
)}
<div class="italic no-common-ligatures">Remote / Mar. 2020 – Present</div>
</div>
))
}
</div>
<Text>
<em>
Lead Engineer for the XING Design System (XDS), recognized by management as the
<q>Authority for Design System components on Web.</q>
</em>
</Text>
<UnorderedList>
<ListItem>
<strong>Delivered €572,400 in estimated annual savings</strong> (Savings Factor 3.32)
by establishing a centralized component creation workflow, achieving <q
>Top Performer</q
>
ratings (2021, 2022) for high-impact efficiency gains.
</ListItem>
<ListItem>
<strong>Dominated code contributions as the #3 ranked contributor</strong> - in the
Crate core monorepo (<strong>272,000+ LOC</strong> across <strong
>3,500+ files</strong
>), serving as the <strong>sole Web Engineer</strong> during critical 2023 reorganizations
while maintaining 100% delivery output.
</ListItem>
<ListItem>
<strong>Accelerated XING Design System adoption by 278%</strong> (cumulative growth
by Q3 2025), successfully deprecating legacy systems and reducing technical debt through
aggressive migration strategies acknowledged as <q>technically demanding</q> successes.
</ListItem>
<ListItem>
<strong>Spearheaded WCAG 2.2 AA compliance</strong> for the EU Accessibility Act,
conducting comprehensive audits on 50+ core components and implementing semantic standards,
focus management, and high-contrast support.
</ListItem>
<ListItem>
<strong>Recognized as a <q>Role Model for AI Tooling</q></strong> by leadership, integrating
generative AI into daily workflows for debugging and documentation, and winning <strong
>2nd Place in the 2023 AI Hackweek</strong
> for profile image generation.
</ListItem>
<ListItem>
<strong>Engineered a scalable Dark Mode architecture</strong> by creating a dual-mode
SVG token mapping strategy for 400+ illustrations, reducing asset load sizes, and
enabling dynamic theming without code duplication.
</ListItem>
<ListItem>
<strong>Executed the cloud migration</strong> of 10+ internal tools and Chrome extensions
to <strong>GitHub Cloud</strong>, modernizing the CI/CD infrastructure and
ensuring zero downtime.
</ListItem>
<ListItem>
<strong>Lead the technical upgrade to Styled Components</strong> and TypeScript modernization,
refactoring complex types and eliminating “snowflake” implementations to enhance build
performance and developer experience.
</ListItem>
<ListItem>
<strong>Mentored junior engineers and working students</strong> through dedicated
onboarding programs and support sessions, formally praised for being
<q>the most helpful person I know.</q>
</ListItem>
</UnorderedList>
</div>
<div>
<div class="mbe-10">
<Subheadline class="font-semibold">Frontend Engineer</Subheadline>
<div class="flex items-center justify-between mbe-2">
<div class="leading-none">
<strong><TextLink href="https://www.xing.com">XING</TextLink></strong>
</div>
<div class="italic mbe-2 no-common-ligatures">
Hamburg, Germany / Jan. 2011 – Feb. 2020
</div>
</div>
</div>
<Text>
<em
>Key contributor to high-traffic product verticals including Onboarding, SEO,
Mobile, and Jobs. Consistently rated <q>Expectations Clearly Exceeded</q> (2018, 2019).</em
>
</Text>
<div class="flex items-center justify-between mbe-2">
<Subsubheadline>Onboarding Team</Subsubheadline>
<div class="italic mbe-2 no-common-ligatures">2017–2020</div>
</div>
<UnorderedList>
<ListItem>
<strong>Led the “Reactification” of user profiles</strong> and the team's migration
to <strong>TypeScript</strong>, managing the entire frontend stack solo in 2019
and earning a <q>Performance Expectations Clearly Exceeded</q> rating.
</ListItem>
<ListItem>
<strong>Improved user profile completion rates</strong> by engineering a high-performance
responsive widget using React.js and Redux, optimizing the data entry flow for new
users.
</ListItem>
</UnorderedList>
<div class="flex items-center justify-between mbe-2">
<Subsubheadline>SEO Team</Subsubheadline>
<div class="italic mbe-2 no-common-ligatures">2015–2017</div>
</div>
<UnorderedList>
<ListItem>
<strong>Maximized organic traffic and Google rankings</strong> by re-architecting
the Logged-Out User Profile with a focus on “Mobile First” performance and Core Web
Vitals.
</ListItem>
<ListItem>
<strong>Pioneered the first production usage of CSS Grid</strong> at XING during the
relaunch of Public Search, setting the standard for modern layout implementation across
the company.
</ListItem>
</UnorderedList>
<div class="flex items-center justify-between mbe-2">
<Subsubheadline>Mobile Web Team</Subsubheadline>
<div class="italic mbe-2 no-common-ligatures">2013–2014</div>
</div>
<UnorderedList>
<ListItem>
<strong>Enhanced cross-device consistency</strong> by developing a hybrid iPad application
using Backbone.js and migrating the “XING Touch” platform to a flattened, responsive
design system.
</ListItem>
<ListItem>
<strong>Increased user engagement</strong> by programming an interactive horizontal
navigation with complex state-based animations.
</ListItem>
</UnorderedList>
<div class="flex items-center justify-between mbe-2">
<Subsubheadline>Jobs Team</Subsubheadline>
<div class="italic mbe-2 no-common-ligatures">2011–2013</div>
</div>
<UnorderedList>
<ListItem>
<strong>Increased job ad visits by 59%</strong> by conceptualizing and developing
a novel “Context Pagination” feature, significantly boosting user retention.
</ListItem>
<ListItem>
<strong>Launched “XING Projects” (Beta)</strong> by successfully pitching and developing
a Freelancer Marketplace prototype during Innovation Week, which evolved into a dedicated
revenue-generating product.
</ListItem>
</UnorderedList>
</div>
<div>
<div class="mbe-10">
<Subheadline class="font-semibold">Web Designer</Subheadline>
<div class="flex items-center justify-between mbe-2">
<div class="leading-none">
<strong
><TextLink href="https://www.xing.com">Dumrath & Fassnacht</TextLink
></strong
>
</div>
<div class="italic mbe-2 no-common-ligatures">
Hamburg, Germany / Sep. 2005 – Dec. 2010
</div>
</div>
</div>
</div>
<div>
<div class="mbe-10">
<Subheadline class="font-semibold">Media Designer</Subheadline>
<div class="flex items-center justify-between mbe-2">
<div class="leading-none">
<strong
><TextLink href="https://www.xing.com">IGS Development</TextLink
></strong
>
</div>
<div class="italic mbe-2 no-common-ligatures">
Harbke, Germany / Feb. 2002 – Jan. 2005
</div>
</div>
</div>
</div>
<Divider />
<Headline>Education</Headline>
<div class="mbe-12">
<Subheadline class="font-semibold">Computer Scientist</Subheadline>
<div class="flex items-center justify-between mbe-2">
<div class="leading-none">
<strong
><TextLink href="https://www.bib.de">bib International College</TextLink
></strong
>
</div>
<div class="italic mbe-2 no-common-ligatures">
Hanover, Germany / Oct. 1999 – Sept. 2001
</div>
</div>
</div>
</article>
<aside class="col-span-full md:col-start-10 md:col-end-18">
<article>
<Headline>{cv.skills.headline}</Headline>
{
cv.skills.items.map((item) => (
<div>
<Subheadline class="font-semibold">{item.headline}</Subheadline>
<UnorderedList class="!list-none p-0 mbe-10 mbs-5">
{item.tags.map((tag, index) => (
<ListItem class="inline">
{index === item.tags.length - 1
? tag.concat('')
: tag.concat(', ')}
</ListItem>
))}
</UnorderedList>
</div>
))
}
<Headline>Key Skills</Headline>
<div>
<Subheadline class="font-semibold">Core Competencies</Subheadline>
<UnorderedList class="!list-none p-0 mbe-10 mbs-5">
<ListItem>
<strong>Design Systems:</strong> Architecture, Tokenization, Versioning, Governance,
<q>Swiss Precision</q> Quality Assurance.
</ListItem>
<ListItem>
<strong>Accessibility (A11Y):</strong> WCAG 2.2 AA, ARIA Standards, Inclusive
Design, Automated Auditing.
</ListItem>
<ListItem>
<strong>Frontend Architecture:</strong> Monorepo Management, Micro-frontends,
Performance Optimization.
</ListItem>
<ListItem>
<strong>Leadership & Mentoring:</strong> Lateral Leadership, Onboarding Programs,
Technical Writing, Cross-functional Collaboration.
</ListItem>
</UnorderedList>
<Subheadline class="font-semibold">Technologies & Tools</Subheadline>
<UnorderedList class="!list-none p-0 mbe-10 mbs-5">
<ListItem>
<strong>Languages:</strong> TypeScript, JavaScript (ES6+), HTML5, CSS3, PostCSS,
CSS Modules, Sass/SCSS.
</ListItem>
<ListItem>
<strong>Frameworks & Libraries:</strong> React, Redux, Styled Components (v6),
Tailwind CSS, Astro, Node.js.
</ListItem>
<ListItem>
<strong>Testing & Analysis:</strong> Jest, Cypress, Component Scanners, Metabase.
</ListItem>
<ListItem>
<strong>DevOps & AI:</strong> Git, GitHub Actions, Docker, Jenkins, GitHub Copilot,
Claude, OpenCode, Prompt Engineering.
</ListItem>
<ListItem>
<strong>Design:</strong> Figma, Sketch, Adobe Creative Suite, Affinity.
</ListItem>
</UnorderedList>
</div>
</article>
<article>
<Headline>{cv.languages.headline}</Headline>
<Headline>Languages</Headline>
<UnorderedList>
{
cv.languages.items.map((item) => (
<ListItem>
<strong>{item.language}</strong> ({item.level})
</ListItem>
))
}
<ListItem>
<strong>German:</strong> Native
</ListItem>
<ListItem>
<strong>English:</strong> Fluent (Spoken & Written)
</ListItem>
<ListItem>
<strong>Spanish:</strong> Basic (A2/B1)
</ListItem>
<ListItem>
<strong>Japanese:</strong> Basic (JLPT N3 level)
</ListItem>
</UnorderedList>
<article>
<Headline>{cv.awards.headline}</Headline>
<Headline>Awards & Hackathons</Headline>
<UnorderedList>
{cv.awards.items.map((item) => <ListItem>{item}</ListItem>)}
<ListItem
><strong>3x Winner of XING Hackweeks</strong> (2023, 2024, 2025) – <em
>Consistently driving innovation in internal tools and AI.</em
></ListItem
><ListItem
><strong>2nd Place AI Hackweek (2023)</strong> (2013, 2015, 2017) – <em
>Company-wide innovation awards.</em
></ListItem
><ListItem
><strong>SEMY Award</strong> (2015) – <em
>German Search Marketing Award for SEO excellence.</em
></ListItem
>
</UnorderedList>
</article>
</article>
@@ -147,7 +358,7 @@ const description =
<Divider class="col-span-full w-[90] !mbe-0 !mbs-0" />
<article class="col-span-full">
<Headline>{cv.interests.headline}</Headline>
<Headline>Interests & Hobbies</Headline>
<ul class="columns-1 gap-gap md:columns-2">
<InterestsHobbies components={mapping} />
</ul>