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

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

CHECK24 is the leading digital comparison platform in Germany.

Do you have a passion for machine learning and data science and are looking for an environment to put your knowledge into practice ? Then you've come to the right place! With our internal BI and Data Science community at CHECK24, we work together across different locations to enable the best customer experience and make our comparison platform even better . We look forward to your applications as Junior Data Scientist (m/f/d) Machine Learning InsurTech at CHECK24 Vergleichsportal für Sachversicherungen GmbH.

Full-time

Responsibilities

• Build a strong understanding around the business products, processes and data sources


• Identify business relevant ML use cases : running pilots, implementation in production, subsequent monitoring (e.g. for drift) and ideating additional data requirements


• Develop and deploy Generative AI applications , including building AI Agents and Agentic Networks


• Ensure that solutions developed have measurable business impact , are scalable and can be adapted to needs of different products / functions


• Optimization of ML models and existing data pipelines for performance, ensuring model version control and experiment control


• Manage Code Repositories using version control systems like Bitbucket/Git to maintain code quality and collaborative workflows


• Stay updated with the advancements in the field of Data Science and determine their application

Qualifications

• Successfully completed degree (e.g. data science, analytics, statistics, mathematics, computer science or similar)


• Around 1-2 years of professional experience in the field of data science


• Experience translating domain knowledge into ML Projects and develop end-to-end ML pipelines


• Demonstrated hands‑on experience with AI Agents, RAGs, LLM fine‑tuning , and using frameworks such as HuggingFace, Langchain, and AI tools.


• Coding knowledge in Python and SQL


• Sound understanding of concepts and algorithms in the field of ML , both traditional and advanced


• Experience in version control systems (e.g. Git/Bitbucket)


• Experience in developing classical and neural network‑based recommendation systems is a plus


• Familiarity with orchestrating pipeline workflows using MLFlow or Kubeflow is an added advantage


• Knowledge of Tableau and A/B testing is a plus

Benefits

• Best of both worlds: CHECK24 combines all benefits of an established online company with start‑up flair - We plan for the long run and at the same time you have the opportunity to actively shape processes


• Developer experience: A large and unique App / PHP community is waiting for you! Deeply rooted in Frankfurt's tech community, we regularly host meet‑ups, code‑reviews and speakers


• Attractive salary package: Additionally, we offer appealing vouchers for a wide range of CHECK24 products, generous support for company pension schemes, and substantial cost sharing for the EGYM Wellpass


• Work-life balance: From Monday to Thursday, we collaborate closely on‑site. On Fridays, mobile working is an option. Besides 28 vacation days, you can take up to 10 unpaid vacation days with us


• State‑of‑the‑art Equipment: Workplace with performant MacBook Pro. You want individual equipment like an ergonomic mouse or noise‑cancelling headphones? No problem!


• CHECKito Spirit: A casual atmosphere, regular drink‑outs and cool team events await you! For a quick break in between you can check out our table tennis area, the Playstation room or our roof terrace with a view of the skyline


• Personal growth: A broad training catalogue and a specialized personnel development department support you on your individual career path


• Food & Drinks: Free office lunch throughout the workweek, fresh fruit, hot and cold beverages, and a variety of muesli options are always available!


• Sustainable Mobility: You can easily get to work via public transport or by bike thanks to our central location - we offer a free \"Deutschlandticket\" and support company bike leasing