Backend Developer / Train Frontend | Backend Developer / Train Frontend

activjob GmbH

Frankfurt am Main, Hessen, Deutschland
Published Sep 5, 2025
Full-time
Permanent

Job Summary

This role involves integrating new interfaces between sales backend and customer systems, alongside building and enhancing a modern sales platform. Key responsibilities include implementing new release and rollout processes, continuously developing existing software products, and introducing test automation to ensure high code quality. The position requires programming, implementing, and customizing technical components in applications, designing and supporting interfaces, and performing error analysis. Candidates should have a strong background in software development, particularly with TypeScript, Node.js, and experience in agile environments. The role emphasizes close collaboration with agile teams, Product Owners, and departments, requiring strong analytical and problem-solving skills.

Required Skills

Education

Degree in Computer Science, Business Informatics, Mathematics, or comparable field

Experience

  • Approximately 5 years in software development
  • Practical experience in TypeScript
  • Experience in developing backend/middleware interfaces with Node.js and TypeScript
  • Profound knowledge in TDD, CI, test automation, and version control (git)
  • Methodological competence in testing (TDD)
  • Knowledge of the Cucumber test framework (including integration into the development process), and experience with Selenium/Jest
  • Know-how in code quality (e.g., OWASP)
  • Very good knowledge of JSON, REST-Services
  • Experience with cloud infrastructures (AWS, Docker)
  • Practical experience in refactoring, pair programming, and code reviews
  • Experience in agile teams (Scrum)
  • Understanding of functional requirements and close coordination with Product Owners

Languages

German (Fluent)

Additional

  • Not specified