aedifion

Senior Frontend Developer

aedifion

full-time

Posted on:

Location Type: Hybrid

Location: Köln • Germany

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Job Level

Senior

Tech Stack

CypressJavaScriptJestTypeScript

About the role

  • Ensure the aedifion platform supports self-service through user-friendly, scalable frontend solutions
  • Develop features from requirements analysis to deployment within a cross-functional team
  • Create intuitive interfaces in collaboration with design and by understanding user needs
  • Optimize performance, loading times, and overall user experience using modern tools
  • Establish testing standards with Jest/Vitest and Cypress
  • Share knowledge across the team and contribute to the frontend architecture

Requirements

  • Strong frontend experience with modern JavaScript frameworks
  • Solid technical foundation: TypeScript and modern CSS frameworks
  • Quality mindset: experience with testing frameworks
  • User-focused: understanding of UX principles
  • Team player with initiative: enjoys working in cross-functional teams
  • Learning mindset: technologically curious
  • Language skills: confident communication in English (C1); German is a plus
Benefits
  • Flexible working hours
  • Short core working hours
  • Option to work from a modern office in Cologne or remotely from anywhere in Germany, plus up to 10 days per year from other European countries
  • 30 days of annual leave
  • Fresh organic fruit, regional coffee, complimentary drinks, and a monthly team breakfast
  • Tailored training opportunities, conference attendance, and workshops
  • High-quality equipment of your choice
  • Deutschland-Ticket or JobRad for commuting
  • Capital-forming benefits (VWL) or a company pension plan (bAV)
  • Regular team events
  • Dog-friendly office
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
JavaScriptTypeScriptCSSJestVitestCypressfrontend developmentperformance optimizationuser experiencerequirements analysis
Soft Skills
team playerinitiativelearning mindsetcommunicationuser-focused