Junior Data Scientist, CHECK24

CHECK24

Location:
Germany, Frankfurt

Category:
IT - Software Development

Contract Type:
Employment contract

Salary:

Not provided

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Job Description:

CHECK24 is the leading digital comparison platform in Germany. With a strong internal BI and Data Science community, we aim to provide the best customer experience and continuously improve our comparison platform. We are looking for a passionate Junior Data Scientist (m/f/d) to join our team and work on exciting machine learning projects in the InsurTech domain.

Job Responsibility:

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 RAG agents, fine-tuning, and deploying large language models (LLMs)
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

Requirements:

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 large language models, including experimenting, fine-tuning, and using frameworks such as HuggingFace, Langchain, and OpenAI 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 big plus

Nice to have:

Experience in developing classical and neural network-based recommendation systems
familiarity with orchestrating pipeline workflows using MLFlow or Kubeflow
knowledge of Tableau
knowledge of A/B testing

What we offer:

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

Additional Information:

Job Posted:
May 12, 2025

Employment Type:

Fulltime

Work Type:

On-site work

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Junior Data Scientist