Junior Data Scientist (m/f/d) Machine Learning InsurTech | Junior Data Scientist (m/f/d) Machine Learning InsurTech

CHECK24 Services Personal GmbH

Deutschland
Published Mar 9, 2026
Full-time
Permanent

Job Summary

As a Junior Data Scientist at CHECK24, you will join Germany's leading digital comparison platform to bridge the gap between complex machine learning theory and practical business applications. Your day-to-day responsibilities involve identifying high-impact ML use cases, building end-to-end pipelines, and developing cutting-edge Generative AI applications including AI Agents and RAG systems. You will be responsible for the entire lifecycle of models, from initial piloting to production deployment and performance monitoring. This role is particularly unique for its focus on modern AI frameworks like Langchain and HuggingFace within the InsurTech sector. You will collaborate within a vibrant internal BI and Data Science community, ensuring that solutions are scalable and provide measurable business value. The position offers a high-growth environment with state-of-the-art equipment, a strong developer community, and a culture that balances professional development with team spirit.

Required Skills

Education

Successfully completed university degree in Data Science, Analytics, Statistics, Mathematics, Computer Science, or a similar quantitative field.

Experience

  • Around 1-2 years of professional experience in the field of data science
  • Professional experience translating domain knowledge into end-to-end ML projects
  • Hands-on experience with AI Agents, RAGs, and LLM fine-tuning
  • Experience in developing classical and neural network-based recommendation systems is preferred

Languages

Not specified

Additional

  • The role requires on-site collaboration in Frankfurt from Monday to Thursday, with an option for mobile work on Fridays. Applicants must be able to work in a permanent (unbefristet) full-time capacity.