Senior Fullstack Developer | Senior Fullstack-Entwickler (m/w/d)

Schmitt GmbH

Frankfurt am Main, Hessen, Deutschland
Published Mar 31, 2026
Full-time
Permanent

Job Summary

As a Senior Fullstack Developer at Schmitt Engineering, you will be responsible for the high-quality programming, implementation, and customization of technical components, ensuring security, scalability, and performance. Your daily routine involves setting up development environments, performing code reviews, and implementing test automation alongside manual testing. You will play a key role in refining complex requirements, advising departments on technology use, and ensuring the future viability of IT systems through risk analysis and documentation. This position is ideal for a proactive professional who enjoys collaborative environments, as it involves pair programming and active participation in backlog refinement. The role offers a unique opportunity to work for a well-established medium-sized company with over 30 years of expertise, serving high-tech industry clients. Benefits include a permanent contract, 30 days of vacation, flexible working hours, and home office options.

Required Skills

Education

Degree in Information Systems (Wirtschaftsinformatik) or a comparable qualification.

Experience

  • Extensive professional experience in Smalltalk Visual Works and object-oriented frameworks
  • Proven experience in CI/CD, test automation, and version control systems
  • Experience in creating and executing manual and automated developer tests
  • Professional background in technical architecture for complex IT systems
  • Experience with agile methodologies including Pair Programming and Refactoring
  • Professional experience in risk analysis and documentation of technical components

Languages

German (Fluent)

Additional

  • German is the primary working language (minimum B2 level required). Candidates must provide their earliest possible start date and salary expectations.