Frontend Development and Webdesign

Hi, I am Mirja, Frontend developer with a strong background in building complex web applications, combining solid programming expertise with a deep understanding of user-centric design.

Tech Stack and Skills

Frontend:

React Next.js TypeScript HTML, SCSS/CSS Design Systems (Storybook) d3 Framer Motion React Leaflet OpenLayers Linting Vite Frontend Testing (Unit, Component, e2e)

Engineering Practices:

Code Reviews Technical Ownership Mentoring Frontend-Guidelines CI/CD

Portrait Mirja Tschakarov
Mirja Tschakarov

Frontend Developer and Webdesigner

  • 10/2024 – 12/2025

    Senior Frontend Developer

    4cast (Potsdam)
    • Responsibility for frontend architecture, technical setups, and scalability
    • Development of a design system and automated testing workflows
    • Ensuring accessibility, responsiveness, and performance
    • Close collaboration with backend engineers and data scientists
    • Moderation and shared responsibility for sprint plannings and refinements
    • Coaching and mentoring of developers

    05/2023 – 09/2024

    Frontend Developer

    4cast (Potsdam)
    • Conceptualization and introduction of a design system
    • Development of new features and UI/UX improvements
    • Performance optimizations through refactoring and code reviews
    • Introduction of coding standards and automated tests
  • 02/2014 – 10/2024

    Frontend Entwicklerin and Webdesigner

    offensichtbar (Berlin)
    • Concept and development of interactive learning platforms, web applications, games, and corporate websites
    • UX and UI design, component development, frontend implementation, launch, and ongoing product support
    • Technical project leadership including requirements analysis and client consulting

    Clients (among others): Dior (LVMH) • Shiseido • NORDMETALL-Stiftung • Wärme Hamburg (via compactteam)

  • 10/2010 – 01/2014

    Art Director (freelance)

    • Concept, execution, and supervision of branding and print projects

    Clients (among others): World Vision (via greenkern) • Schroedel Schulbuchverlag (via kapieren.de) • KASSELWASSER (via roberts)

  • 10/2007 – 09/2010

    Art Director

    Krowne Communications (Berlin)
    • Leadership of corporate design and publishing projects, development of consistent brand identities
  • 2004 – 2007

    Graphic Designer (freelance)

    • Editorial design and packaging for agencies

    Clients (among others): Hapag Lloyd (via the Ad Store) • Bombardier (via Salz)

  • 2001 – 2004

    Communication Design, Institut für Design (IN.D)