Senior AI/ML Engineer | Senior AI/ML Engineer (m/w/d)

S-Payment GmbH

Stuttgart, Baden-Württemberg, Deutschland
Published Feb 25, 2026
Full-time
Permanent

Job Summary

As a Senior AI/ML Engineer at S-Payment, you will play a pivotal role in shaping the future of digital payments for over 45 million customers within the Sparkassen-Finanzgruppe. Based in Stuttgart, you will lead the development and implementation of a centralized corporate AI platform and drive innovative AI-driven use cases across various departments. Your daily responsibilities include ensuring high-quality AI workflows, mentoring junior team members, and integrating machine learning systems into existing IT infrastructures. This role is particularly attractive for those who want to work at the intersection of finance and cutting-edge technology, focusing on Generative AI, LLMs, and MLOps. You will act as a strategic driver, translating complex data into actionable business solutions while ensuring compliance with GDPR and security standards. S-Payment offers a modern work environment with flexible hours, mobile work options, and a culture that skips the traditional probationary period, making it a stable yet innovative career choice.

Required Skills

Education

Degree in Computer Science, Data Science, Mathematics, Physics, or a related field

Experience

  • 8–10 years of professional experience in Data Science, Machine Learning, or Artificial Intelligence
  • Practical experience with Generative AI, LLMs, Prompt Engineering, and Model Fine-Tuning
  • Experience with MLOps tools and hybrid cloud environments
  • Proven experience in integrating ML systems into existing IT infrastructures
  • Leadership experience through mentoring and coaching junior team members

Languages

German (Fluent)English (Fluent)

Additional

  • Location: Stuttgart; Full-time, permanent contract; No contractual probationary period.