Curriculum Vitæ

Cases / Projects

Due to non-disclosure agreements, details will generally be kept high-level and clients won’t be named but only their industry as this may be helpful to get a better understanding. Feel free to contact me in case you’re looking for more details.

2025 – 2026
White-label framework-agnostic design system
Client industry: Energy
- Implementation of white-label approach based on unified/common components and skinning based on design tokens
- Basic building blocks and guidelines/documentation only
- Consumers compose fragments according to their needs based on design system building blocks and guidelines
- Automated import and transformation of design tokens from Figma to CSS variables
- Storybook as library for Lit web components and design guidelines/documentation
- Accessibility as a first-class citizen (i.e. WCAG AA standards)
- Lit
- TypeScript
- Storybook
- Git
- GitHub
- Style Dictionary
2025
Implementation of proofs of concept and boilerplates for digital experience platform
Client industry: Digital Experience Platform
- Joined the team to dogfood and stress-test their new developer product
- Took the (intentional) role of an external developer/agency and worked through it to identify potential challenges their customers may face
- Implemented standalone proofs of concept and boilerplates for these challenges/workarounds to be shared with customers on demand
- Authored solution guides as part of the documentation of their developer portal
- React
- TypeScript
- Next.js
- Astro
- Git
- GitHub
2024
Digital platform for end-to-end online freight forwarder service
Client industry: Logistics / Supply Chain Technology
- I joined the team to kick-start the new full-blown web app based on existing APIs into a launchable beta version in 2 months
- Web app allowing to manage everything from booking to delivery online (e.g. booking transports, tracking cargo, clearing customs, managing shipments, administering delivery)
- Fast, slim frontend based on React
- Built using the previously developed design system
- Independent and isolated development by multiple self-contained feature teams (fenced via CODEOWNERS and dependency cruiser)
- Extensive unit testing (Vitest) and end-to-end testing (Playwright)
- Internationalization of whole application for key markets
- React
- TypeScript
- TanStack Query
- TanStack Router
- Vite
- Git
- GitHub / CircleCI
- Vitest
- i18next / POEditor
2024
Design system for facelift of logistics management platform
Client industry: Logistics / Supply Chain Technology
- Due to lacking internal capacities, I joined and supported the team to kick-start the new global design system
- Implementation based on Radix Primitives and shared design tokens from Figma Tokens Studio converted to Tailwind
- Storybook as library for React components and design documentation
- Fully automated semantic versioning and publication of npm packages in custom Google Cloud artifact registry
- Extensive unit testing (Vitest) and visual regression testing (Storybook test runner + Playwright)
- Tiny, reusable components (»building blocks«) and composition using layout primitives instead of adding individual components for everything
- Custom Storybook documentation blocks for enriched documentation and usage guidelines
- Built-in support for light and dark mode via design tokens
- React
- Tailwind
- nx
- Radix UI
- TypeScript
- Storybook
- Git
- CircleCI
- Vitest
- Playwright
2023 – 2024
Digital platform for large-scale commercial construction industry management
Client industry: Startup
- PWA used by clients, contractors, subcontractors, and other project stakeholders on-site, in office, and on the road
- Connected to back-end APIs developed by internal employees
- Custom UI component library including complex timeline/workflow visualizations
- Fast, slim frontend based on React
- React
- TypeScript
- Storybook
- React Flow
- TanStack Query
- Node.js
- Git
- GitLab CI/CD
2021 – 2023
Reverse recruiting platform
Client industry: Startup
- Web app for matching talents and companies based on standardized ratings of skills and preference profiles
- AWS Cognito for CIAM including custom theming of auth pages
- Fast, slim frontend based on React
- Spring Boot and PostgreSQL for BFF APIs
- React
- TypeScript
- AWS Cognito
- Git
- GitLab CI/CD
- Spring Boot
- PostgreSQL
2022 – present
White-label design system for B2C/B2P brands
Client industry: Telecommunication
- Implementation of white-label approach based on unified/common components and skinning based on design tokens
- Basic building blocks and guidelines/documentation only
- Consumers compose fragments according to their needs based on design system building blocks and guidelines
- Automated import and transformation of design tokens from Figma to CSS variables
- Storybook as library for Lit web components and design guidelines/documentation
- Fully automated semantic versioning and publication of npm packages in custom registry (Artifactory) and to CDN (AWS S3) via GitLab CI
- Unit/Contract testing via Open Web Components Testing Package
- Visual regression testing via Loki
- Introduction of ADRs (Architectural Decision Records) and DDRs (Design Decision Records)
- Accessibility as a first-class citizen (i.e. WCAG AA standards)
- ~90% test coverage for unit/contract tests
- Lit
- TypeScript
- Storybook
- Git
- GitLab CI/CD
- Open Web Components
- Loki
- Style Dictionary
- Artifactory
- AWS
2021 – 2023
White-label design system for internal web-based back-end/back-office systems
Client industry: Media
- Implementation of white-label approach based on unified components and skinning based on design tokens
- Storybook as library for React components and design documentation
- Fully automated publication via npm packages in custom registry
- React
- TypeScript
- Storybook
- Git
- GitLab CI/CD
- Jest
2021 – 2022
Software-as-a-Service for measuring and improving employee engagement
Client industry: Startup
- Software-as-a-Service (SaaS)
- Support for multi-tenancy
- Support for multiple channels/providers (e.g. Slack, Microsoft Teams, email)
- Reporting dashboards
- Bot that asks all employees once a week how they feel
- The user is presented with pre-defined options to answer and the chance to provide additional information as a text message
- Salting and hashing of user data to make sure there’s no way to trace back feedback
- Fast, slim frontend based on React
- RESTful Node.js API
- Distribution via custom Docker registry
- React
- TypeScript
- Node.js
- Git
- GitLab CI/CD
- Docker
2021 – 2023
Interactive votings/interactions in mobile apps with management back-end and results shown live on an in-studio wall, in native apps, and on live TV
Client industry: Media
- Fast, slim frontend based on React as standalone PWA
- React Native voting components integrated into existing native app
- In-studio wall/screen with full-screen React app for live dashboard
- Tunnel to live TV overlay for displaying voting results in near real-time
- Node.js back-end/APIs for votings/interactions
- Node.js
- React
- React Native
- TypeScript
- Git
- AWS
- GitLab CI/CD
2021
Interactive product finder injected into existing CMS page for legacy modernization
Client industry: Technology
- Fast, slim frontend based on React as standalone PWA
- SPA injection approach into existing CMS landscape
- Native web component for full isolation in injection approach
- Custom UI component library
- Backend-for-frontend based on AWS Lambda
- Import and ETL processes for product data
- Infrastructure-as-code based on AWS CDK
- Node.js
- Web Components
- React
- TypeScript
- Git
- AWS
- GitLab CI/CD
2021
Web app for tracking and compensating carbon footprint
Client industry: Automotive
- Implementation of internationalized multi-tenant solution
- Market-specific configurations
- Integration of several client backends (user data, single sign-on, vehicle data, consent management) and compensation partners
- Fast, slim frontend based on React as standalone PWA
- Support for integration into native app as web view
- Custom UI component library
- Backend-for-frontend based on AWS Lambda
- Infrastructure-as-code based on AWS CDK
- React
- Next.js
- TypeScript
- PWA
- Git
- AWS
- Docker
- Jenkins
- Jest
2020 – 2021
People development software
Client industry: Startup
- Web app for making skill development and contribution to shared goals transparent, personal, and achievable
- Implementation of multi-tenant solution for on-premises hosting
- Client-specific configurations (e.g. Okta single sign-on + Personio API)
- Fast, slim frontend based on React
- RESTful Node.js API
- Distribution via custom Docker registry
- React
- TypeScript
- Node.js
- Git
- GitLab CI/CD
- Docker
- Okta
- Personio
2020 – 2021
White-label design system for web and app
Client industry: Media
- Implementation of white-label approach based on unified components and skinning based on design tokens
- Usage in both native app and web environments with shared design tokens
- Storybook as library for React components and design documentation
- Fully automated publication via npm packages in custom registry
- React
- React Native
- TypeScript
- Storybook
- Git
- GitLab CI/CD
- Jest
2020
Digital brochure for emotional presentation of vehicles/configurations
Client industry: Automotive
- Implementation of internationalized white-label solution (UK + China)
- Client-specific configurations with rendered images/videos of individual features
- Fast, slim frontend based on React
- Backend-for-frontend based on AWS Lambda
- Infrastructure-as-code based on Terraform
- React
- TypeScript
- Git
- AWS
- Docker
- Terraform
- Jenkins
- Jest
2020
White-label GDPR consent management integration (TCF 2.0)
Client industry: Media
- Implementation of white-label solution (with skinning for 50+ brands)
- Based on native web component technology to stay framework-agnostic
- Usage in both web and native app environments
- Implementation of A/B tests and tracking to optimize approval rate
- Successful IAB certification as TCF 2.0 private CMP
- Custom UI implementation based on Usercentrics backend
- End-to-end test suite
- LitElement
- TypeScript
- SCSS
- AWS
- GitLab CI/CD
- Cypress
2019 – 2021
Skinning and extension for single sign-on service
Client industry: Media
- Implementation of new UX (conversational flow) concepts with existing single-sign-on service through frontend adaptations to view templates
- White-label solution allowing to build on top of base theme and allow individual adjustments/extensions per brand
- Implementation of extensive tracking to evaluate tests of the new flows
- JavaScript
- SCSS
- EJS
- Tealium
- Google Analytics
2019 – 2020
Relaunch of a news portal with new CMS, newsroom management system, and design
Client industry: Media
- Vertical feature teams setup in order to boost feature output
- Robust infrastructure setup with AWS and Gatsby (static site generator) in order to guarantee globally fast response times
- Contentful as headless CMS solution including the development of multiple custom extensions of the Contentful UI/editor
- Cloudinary as Digital Asset Management solution including seamless integration into Contentful
- Fast, slim frontend based on React and Styled Components
- APIs based on AWS Lambda for progressive enhancement of static UI
- Continuous release of new features based on feature toggles which are maintained within Google Optimize
- Contentful
- Gatsby
- Cloudinary
- React
- TypeScript
- Styled Components
- Git
- AWS
- Docker
- GitLab CI/CD
- Jest
2019
Slack bot for measuring and improving employee engagement
Client industry: Media
- Slack bot (integrated into the company’s Slack workspace) that asks all employees once a week how they feel
- The user is presented with 3 pre-defined options to answer and 5 minutes to provide additional information as a text message
- The whole conversation takes place using Slack’s direct messaging so people enjoy their privacy
- When storing the feedback, the user ID is salted and hashed (SHA256) to make sure there’s no way to trace back feedback to a specific person
- Once a week, on Monday morning, the executive team presents the results to everyone and gives a statement to the questions and feedback people have.
- RESTful APIs based on Spring Boot
- Infrastructure-as-code based on AWS CDK
- Node.js
- Slack API
- Java
- Spring
- PostgreSQL
- React
- AWS
2019
Merchant management platform for administration of merchant accounts for a payment service provider
Client industry: Automotive
- Microservice architecture to facilitate multiple teams working simultaneously in separate streams at the same time
- Robust infrastructure setup with AWS and Akamai to ensure fast response times worldwide
- Storybook as library for React components and design documentation
- RESTful APIs with gateways (e.g. auth/security, Swagger)
- Fast, slim frontend based on React
- Constant test coverage between 80-100% for all services and components
- Leading the project from a technical perspective with distributed teams, providing the architecture, contribution model, and shared development process
- Java
- Spring Boot
- React
- Keycloak
- Git
- AWS
- Docker
- Kubernetes
- JUnit
- Mockito
- Jest
- Concourse CI
2018 – 2020
Mobile-optimized shop with focus on distributed feature teams and continuous A/B testing and personalization
Client industry: Telecommunication
- Micro front-end approach: separation of front-end monoliths into smaller parts/blocks and server-side aggregation of different fragments to deliver pages
- Split into different functionalities/jurisdictions ensures implementation and deployment by independent and self-organized teams in their own release cycles and with preferred technology stacks
- Exchangeable side fragments form the basis for continuous A/B experiments and personalization
- Focus on latest technologies (e.g. Vue) and mobile performance (e.g. Google Lighthouse Score >90%)
- Node.js
- Vue
- Docker
- AWS
- Mosaic9
- Git
- Jenkins
2018 – 2020
Cloud-native store locator application for PoS shops
Client industry: Telecommunication
- Usage of fully managed AWS technologies to reduce operational effort and custom code (i.e. mostly configuration of AWS resources instead of custom code)
- Lambda function for loading, transforming, and importing store data from existing third-party API
- Elasticsearch for storing and querying stores
- AppSync for GraphQL API (connected to Elasticsearch)
- Elastic Beanstalk for running the Node.js application
- Elasticsearch provides look-up of stores based on geolocation, features, and search expressions out of the box
- Implementation of existing component library to adhere to existing look and feel and ensure proper integration of the application into the existing portal
- Node.js
- Vue
- Docker
- GraphQL
- AWS
- Git
- GitLab CI

Professional experience

Managing Partner

Managing Partner

Principal Engineer

Senior Engineer

Developer

Educational background

Web Communication & Information Systems (M.Sc.)

Computing & Digital Media

Web Business & Technology (B.Sc.)

Cases / Projects

White-label framework-agnostic design system

Implementation of proofs of concept and boilerplates for digital experience platform

Digital platform for end-to-end online freight forwarder service

Design system for facelift of logistics management platform

Digital platform for large-scale commercial construction industry management

Reverse recruiting platform

White-label design system for B2C/B2P brands

White-label design system for internal web-based back-end/back-office systems

Software-as-a-Service for measuring and improving employee engagement

Interactive votings/interactions in mobile apps with management back-end and results shown live on an in-studio wall, in native apps, and on live TV

Interactive product finder injected into existing CMS page for legacy modernization

Web app for tracking and compensating carbon footprint

People development software

White-label design system for web and app

Digital brochure for emotional presentation of vehicles/configurations

White-label GDPR consent management integration (TCF 2.0)

Skinning and extension for single sign-on service

Relaunch of a news portal with new CMS, newsroom management system, and design

Slack bot for measuring and improving employee engagement

Merchant management platform for administration of merchant accounts for a payment service provider

Mobile-optimized shop with focus on distributed feature teams and continuous A/B testing and personalization

Cloud-native store locator application for PoS shops

Skills / Stack