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Christian Karl DelheyCK

Christian Karl Delhey

Frontend Developer, UI designer

€350/day
Barcelona, ES
8-15 years

Average response time: 1 hour

About Christian Karl

Frontend Developer with over 8 years of experience specializing in Vue.js, JavaScript, React and react-native and modern web development. Proven expertise in developing scalable, high-performance applications, contributing to migration projects, and collaborating with cross-functional teams. Strong communication skills with a background in film and arts, enhancing team dynamics and problem-solving. Committed to creating user-centric and efficient digital solutions.
Also eclectic music lover and board-game designer :)
  • Spanish

    Native or bilingual

  • English

    Fluent

  • German

    Conversational

Remote only
Primarily works remotely

Experience

  • Formación Ninja,
    Frontend Developer
    June 2025 - September 2025 (3 months)
    Barcelona, Spain
    • Led the frontend development and design of Formación Ninja, a React Native mobile application that enables users to prepare for Spanish civil service exams by completing practice tests and tracking their progress.
    React Native React.js JavaScript Front End Interface Development Android Studio
  • Stensul
    Frontend Developer
    SOFTWARE PUBLISHING
    January 2020 - March 2025 (5 years and 2 months)
    Buenos Aires, Argentina
    • Took active part in the migration from Vue2 (Options API) to Vue3 (Composition API), enhancing performance and maintainability.
    • Implemented a new design system across multiple sections of the application, ensuring UI consistency and scalability.
    • Owned and maintained the company's frontend XSS filtering system
    • Worked along with QA, Product, and Design teams to define requirements, set deadlines, and ensure high-quality outcomes.
    Vue3 JavaScript Agile method Docker Typescript
  • Ministerio de Producción,
    Frontend Developer
    SOFTWARE PUBLISHING
    December 2016 - January 2020 (3 years and 1 month)
    Buenos Aires, Argentina
    • Contributed to React projects aimed at supporting the growth of small industries in Argentina.
    • Developed and maintained webpages using HTML, CSS, andjQuery, ensuring responsive and accessible designs.
    React.js JavaScript HTML5 CSS3 SASS/SCSS

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Education

  • Comunicación Audiovisual
    Universidad Nacional de La Plata (UNLP)
    2019
    Comunicación Audiovisual

Skill set

Categories