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Christoph (René) Pardon-Senior Frontend Developer & UX Engineer

Christoph (René) Pardon - Senior Frontend Developer & UX Engineer - profile avatar
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Zug, Switzerland

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Experience

Oct 2025 - Present
Zürich, Switzerland
Hybrid

ICT DevSecOps Engineer

Abraxas Informatik AG

Expertise details
Position Summary
ICT DevSecOps Engineer at Abraxas Informatik AG
Industries
Information Technology
Business Areas
Information Technology

Reduced time-to-market by optimizing CI/CD pipelines. Employees without customer VM access can now deploy. Increased system stability and performance and reduced maintenance effort through systematic database cleanup. Restricted rights for Flyway migrations versus service users. Improved transparency and decision-making basis with enhanced Grafana dashboards for response times, optimized logging, and standardization with Loki. Reduced security risks by consistently applying security best practices such as removing the public schema in PostgreSQL, individual service user permissions, and Docker security context. Facilitated knowledge transfer and sustainable process improvements by creating process diagrams and implementing various concepts. Conducted code reviews across multiple repositories.

Apr 2025 - Jul 2025
Zürich, Switzerland

Cloud Platform Engineer

Swiss AI AG

Expertise details
Position Summary
Cloud Platform Engineer at Swiss AI AG
Industries
Information Technology
Business Areas
Information Technology
Product Development
Quality Assurance
  • Developed high-performance React/Next.js frontend architecture with Material-UI and Mapbox integration for AI data visualization with sub-2s loading times
  • Implemented complex 3D data visualizations with WebGL, WebAssembly, and Three.js for improved user decision support systems and interactive data exploration
  • Optimized frontend performance through strategic code-splitting, lazy loading, and Progressive Web App features following Core Web Vitals and Google recommendations
  • Established a Storybook-based UI component library with 150+ reusable components and automated Jest/Playwright E2E tests for design system consistency
  • Implemented responsive design patterns with a mobile-first approach and cross-browser compatibility for an optimal multi-device experience
Dec 2024 - Mar 2025
Berlin, Germany

Fullstack Developer & ICT DevOps Engineer

Blink Labs GmbH (Blinkist)

Expertise details
Position Summary
Fullstack Developer & ICT DevOps Engineer at Blink Labs GmbH (Blinkist)
Industries
Education
Information Technology
Media and Entertainment
Business Areas
Information Technology
Product Development
  • Modernized the magazine frontend from Ruby on Rails to Astro.js with React, TypeScript, and Next.js for a 40% performance boost and enhanced developer experience
  • Developed responsive UI components with Tailwind CSS based on the Figma design system with pixel-perfect implementation and accessibility standards (WCAG 2.1)
  • Optimized frontend performance for the Blinkist platform’s millions-strong user base with advanced caching strategies and asset optimization
  • Integrated new frontend features for improved user experience and a 15% increase in engagement rates through A/B testing and user feedback integration
Jan 2024 - Present
Ahrensburg, Germany

Senior Frontend Developer

Infrastructure Reliability Engineer

Expertise details
Position Summary
Senior Frontend Developer at Infrastructure Reliability Engineer
Industries
Real Estate
Business Areas
Information Technology
  • Migrated legacy jQuery applications to modern Vue.js 3 with TypeScript for better maintainability, type safety, and a 60% code reduction
  • Implemented responsive portal interfaces using Vue.js Composition API and Laravel API integration with RESTful services and real-time WebSocket communication
  • Developed automated frontend testing strategies with Vitest, Cypress, and component testing for 95% code coverage and CI/CD integration
  • Optimized frontend build processes with Vite, Webpack, and modern CI/CD pipeline integrations for fast refresh and hot module replacement
Jan 2023 - Dec 2024

Freelance Frontend Developer

Freelance

Expertise details
Position Summary
Freelance Frontend Developer at Freelance
Industries
Automotive
Energy
Professional Services
Retail
Business Areas
Information Technology
Marketing
Product Development
  • Schaltwerk Digital: e-commerce recipe shop using Nuxt.js (Vue.js) with strong TypeScript typing and server-side rendering
  • chargecloud GmbH: UI component redesign for an e-mobility platform with Figma-to-code workflows and performance optimizations
  • Michael Pichler Consulting: accessible Next.js website with Bootstrap, WCAG 2.1 AA compliance, and SEO optimization
Aug 2018 - Jun 2023
Munich, Germany

Senior Frontend Developer & Tech Lead

VIMP GmbH

Expertise details
Position Summary
Senior Frontend Developer & Tech Lead at VIMP GmbH
Industries
Information Technology
Business Areas
Information Technology
Product Development
  • Led frontend development of the SaaS video platform with Vue.js, GraphQL API integration, and state management (Vuex/Pinia) for enterprise-scale applications
  • Built responsive video player components using the HTML5 Video API, Media Source Extensions, and dashboard interfaces for international B2B clients
  • Implemented OAuth2/OIDC frontend authentication for Google/YouTube provider integration with secure token management and session handling
  • Led a 4-person international frontend team in modernizing the UI architecture from jQuery to a Vue.js single-page application
  • Established component-driven development with Storybook, design tokens, and automated visual regression testing for a consistent user experience
May 2015 - Nov 2017
Munich, Germany

Frontend Developer & UX Engineer

limango GmbH

Expertise details
Position Summary
Frontend Developer & UX Engineer at limango GmbH
Industries
Fashion
Retail
Business Areas
Information Technology
Product Development
  • Built e-commerce frontend features for a fashion platform with millions of users and complex product filtering systems
  • Optimized conversion funnels through A/B testing, performance improvements, and UX enhancements, achieving a 25% increase in conversion rate
  • Implemented a responsive shopping cart and checkout process optimizations with payment gateway integration and error handling

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Information Technology, Retail, Real Estate, Fashion, Automotive, and Energy.

Information Technology
Retail
Real Estate
Fashion
Automotive
Energy
Profile match chart

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology, Product Development, Marketing, and Quality Assurance.

Information Technology
Product Development
Marketing
Quality Assurance
Profile match chart

Summary

Fractional CTO for Security-First Architecture

18 years of fullstack expertise in PHP, Python, React, Vue.js and modern frameworks like Next.js and Laravel with a focus on performance, SEO, conversion, and user experience

  • Senior Fullstack Developer with 18+ years of experience
  • Expert knowledge in modern frameworks like PHP (Laravel), React (Next.js), and Vue.js (Nuxt.js)
  • Specialist in responsive web development and Progressive Web Apps (PWA)
  • Experience in API integration (REST/GraphQL) for seamless communication with backend systems
  • Proven success stories: increased conversion rates by up to 25%
  • Ensuring optimal user experience through modern frontend architectures
  • Developing scalable frontend solutions for e-commerce, SaaS, and media platforms
  • Supporting platforms with millions of active users

Skills

Core Competencies

  • Javascript Frameworks: React, Next.js, Vue.js 3, Nuxt.js, Vanilla Js
  • Javascript/typescript: Es6+, Typescript, Node.js, Npm, Yarn, Pnpm, Bun, Module Bundlers
  • State Management: Zustand, Vuex, Pinia, Redux, Context Api, React Query, Swr
  • Ui/css Frameworks: Tailwind Css, Material-ui, Bootstrap, Styled Components, Css Modules, Sass/scss
  • Build Tools & Testing: Webpack, Vite, Rollup, Jest, Vitest, Cypress, Playwright, Testing Library
  • Api Integration: Rest Apis, Graphql, Apollo Client, Websocket, Server-sent Events
  • Performance & Seo: Core Web Vitals, Lighthouse Optimization, Pwa, Service Workers, Seo Best Practices, A11y

Frontend Project Highlights

  • High-performance Web Applications: React/next.js E-commerce Platform With 99.9% Uptime, Sub-2s Loading Times, Core Web Vitals Score >90
  • Vue.js 3 Real-time Dashboard: Websocket Integration, Typescript, Composition Api, Advanced Data Visualization
  • Progressive Web App: Offline Capabilities, Push Notifications, App-shell Architecture, 95+ Lighthouse Score
  • Ux & Conversion Optimization: Increased Conversion Rates By 25% Through Ux Improvements, A/b Testing, And Performance Enhancements
  • Accessibility Compliance (Wcag 2.1 Aa): Screen Reader Support, Keyboard Navigation, Color Contrast Optimization
  • Mobile-first Responsive Design: Cross-device Compatibility, Touch-optimized Interfaces, Adaptive Performance
  • Component Libraries & Design Systems: Storybook-based Ui Component Library With 150+ Reusable Components, Design Tokens, Automated Visual Testing
  • Design System Implementation: Figma-to-code Automation, Consistent Brand Experience, Developer Documentation
  • Monorepo Architecture: Lerna, Nx, Component Versioning, Cross-project Reusability

Technical Frontend Expertise (Years Of Experience)

  • 16 Years: Javascript/typescript, Html5, Css3, Dom Manipulation, Browser Apis
  • 8 Years: Vue.js, Nuxt.js, Vue Router, Vuex/pinia, Single-page Applications, Component Architecture
  • 6 Years: React, Next.js, React Router, Redux, Material-ui, Tailwind Css, Server-side Rendering
  • 6 Years: Graphql, Apollo Client, Rest Api Integration, Websocket Implementation, Real-time Communication
  • 5 Years: Progressive Web Apps, Webgl, Webassembly, Service Workers, Performance Optimization
  • 3 Years: Three.js, D3.js, Chart.js, Advanced Data Visualization, Interactive Graphics

Tools & Development Environment

  • Ides & Editors: Vs Code, Webstorm, Sublime Text, Vim, Chrome Devtools, React Devtools
  • Version Control: Git, Github, Gitlab, Bitbucket, Advanced Branching Strategies, Code Reviews
  • Design & Prototyping: Figma, Adobe Xd, Sketch, Zeplin, Invision, Design-to-code Workflows
  • Performance Tools: Lighthouse, Web Vitals, Bundle Analyzer, Performance Profiling, Monitoring

Soft Skills & Business Skills

  • Leadership & Team: Tech Leadership, International Team Management, Best Practices, Code Reviews
  • Soft Skills: Communication, Teamwork, Problem Solving, Time Management, Agile Working
  • Business Skills: Stakeholder Management, Technical Consulting, Architecture Design, Cost Optimization
  • System Design: Scalability Planning, Performance Optimization, Database Architecture, Security Design

Frontend Industry Expertise

  • Fintech & Banking: Check24, Onpex, Petafuel – Secure Api Development, Pci-dss Compliance, Payment Processing Infrastructures
  • E-commerce & Retail: Limango, Schaltwerk, Netformic – Scalable Backend Systems, High-traffic Optimization, Performance Tuning
  • Automotive: Hella, Acrontum – Enterprise Devops, Container Orchestration, Compliance Systems
  • Saas & Media: Vimp, Swiss Ai, Blinkist – Microservices Architecture, Video Platform Scaling, Ai Integration

Languages

German
Native
English
Advanced
Spanish
Elementary

Education

Sep 2009 - Jul 2011

petaFuel GmbH

IT Specialist in Application Development · Freising, Germany

Certifications & licenses

Certified Security Professional

Swiss Cyber Institute Zurich

Statistics

Experience

Total positions 7
Experience in Information Technology 6 y
Avg length 1 y 10 m
Longest experience 4 y 10 m

Global Experience

Countries worked in 2 (Germany, Switzerland)
Primary country Germany

Expertise

Recent roles ICT DevSecOps Engineer, Cloud Platform Engineer, Fullstack Developer & ICT DevOps Engineer
Main industries Information Technology, Retail, Real Estate
Main business areas Information Technology, Product Development, Marketing

Qualifications

Certifications earned 1

Profile

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Christoph based?

Christoph is based in Zug, Switzerland and can operate in on-site, hybrid, and remote work models.

What languages does Christoph speak?

Christoph speaks the following languages: German (Native), English (Advanced), Spanish (Elementary).

How many years of experience does Christoph have?

Christoph has at least 10 years of experience. During this time, Christoph has worked in at least 7 different roles and for 7 different companies. The average length of individual experience is 2 years and 6 months. Note that Christoph may not have shared all experience and actually has more experience.

What roles would Christoph be best suited for?

Based on recent experience, Christoph would be well-suited for roles such as: ICT DevSecOps Engineer, Cloud Platform Engineer, Fullstack Developer & ICT DevOps Engineer.

What is Christoph's latest experience?

Christoph's most recent position is ICT DevSecOps Engineer at Abraxas Informatik AG.

What companies has Christoph worked for in recent years?

In recent years, Christoph has worked for Abraxas Informatik AG, Swiss AI AG, Blink Labs GmbH (Blinkist), Infrastructure Reliability Engineer, and Freelance.

Which industries is Christoph most experienced in?

Christoph is most experienced in industries like Information Technology, Retail, and Fashion. Christoph also has some experience in Real Estate, Automotive, and Energy.

Which business areas is Christoph most experienced in?

Christoph is most experienced in business areas like Information Technology, Product Development, and Marketing. Christoph also has some experience in Quality Assurance.

Which industries has Christoph worked in recently?

Christoph has recently worked in industries like Information Technology, Real Estate, and Automotive.

Which business areas has Christoph worked in recently?

Christoph has recently worked in business areas like Information Technology, Product Development, and Marketing.

What is Christoph's education?

Christoph attended petaFuel GmbH for IT Specialist in Application Development.

Does Christoph have any certificates?

Christoph has 1 certificate: Certified Security Professional.

What is the availability of Christoph?

Christoph will be available full-time from July 2026.

What is the rate of Christoph?

Christoph's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.

How to hire Christoph?

To hire Christoph, click the Meet button on the profile to request a meeting and discuss your project needs.

Average rates for similar positions

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Market avg: 1048-1208 €
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.