Full Stack Developer (Typo3) | Full Stack Developer (Typo3) (all genders welcome)

COSMO CONSULT Group

Berlin, Berlin, Deutschland
Published Feb 4, 2026
Full-time
No information

Job Summary

This role positions you as the technological core behind the company's web presence, focusing heavily on the development, maintenance, and enhancement of Typo3-based web applications. Day-to-day responsibilities include developing and implementing new modules and features, setting up graphical user interfaces using HTML, CSS, and JavaScript, and integrating various APIs and external data sources. You will be responsible for technical project planning, coordinating external web agencies, and ensuring the performance and security of existing Typo3 installations through regular updates, security checks, and implementing caching strategies and CDNs. A successful candidate must possess strong full-stack development skills, deep expertise in the Typo3 CMS, and proficiency in relevant technologies like PHP, Python, and Next.js. You will work closely with internal stakeholders (SEO, UX, Marketing) on parallel projects, managing priorities from short-term bug fixes to long-term site migrations, while ensuring technical adherence to SEO best practices and data privacy regulations.

Required Skills

Education

Completed University Degree (e.g., Computer Science or Business Informatics)

Experience

  • Professional experience in Full Stack Development
  • Experience managing and maintaining Typo3 installations
  • Experience in technical project planning and coordination
  • Professional experience implementing front-end user interfaces (HTML, CSS, JavaScript)
  • Experience coordinating external service providers and web agencies

Languages

Not specified

Additional

  • Not specified