Senior Data Scientist (m/w/d) - Heidelberg

Salary: 40.000 - 60.000 € per year

Requirements:

University degree in a relevant field, e.g. computer science, statistics or physics with 3 years of experience working as a Data Scientist

Strong software engineering skills (Python, SQL, CI/CD, testing, version control)

Extensive experience in the use of open-source data libraries like scikit-learn, pytorch, pyspark, jupyter, pandas and airflow

Experience with Spark, Hadoop or SQL as well as the application of modern software development methods

Experience deploying ML models to production

Excellent communication skills and stakeholder management

Passion for mentoring and raising the bar for the team

Good spoken and written German, fluent English is a must-have

Responsibilities:

Combine curiosity, fast understanding of business processes, and strong analytical skills to identify and implement impactful Data Science solutions

Lead end-to-end development and operationalization of Machine Learning models within a team of experienced Data Scientists and Data Engineers

Actively manage stakeholders by translating business requirements into technical specifications and regularly presenting results

Write high-quality, maintainable code and mentor junior team members through code reviews and pair-programming

Continuously improve our internal tooling, shared libraries, and development practices

Apply industry best practices, including solid testing, documentation, and ensuring full reproducibility of work

Technologies:

Airflow

CI/CD

Hadoop

Support

Jupyter

Machine Learning

PyTorch

Python

PySpark

SQL

Spark

pandas

More:

We are the Data Science department at NEW YORKER, where we use statistical modeling, machine learning and optimization techniques to continuously improve business processes. We work in agile project teams on a variety of use cases, including order optimization, pricing, distribution and logistics. We are a very ambitious and international team and are proud of our high standards. We offer benefits such as a 30% staff discount in all NEW YORKER shops, access to corporate benefits, company fitness through Hansefit, exclusive restaurant discounts, flexible working hours, attractive remuneration, comprehensive social benefits, 30 days holiday, a company pension scheme, capital-forming benefits, a permanent role in an internationally successful company, personal buddy support, onboarding events, company and team events, very good transport connections to our headquarters on Hansestraße, free employee parking at many locations, and future modern workplaces at our Fashion Campus.

last updated 33 week of 2026