Trainee Data Science in Big Data & Advanced Analytics

Become a high diver and immerse deeply - in topics, structures and networks. And that with a safety rope - after all, you start as our trainee with an unlimited contract - so you not only get well trained, but can courageously plan further career steps with us.

Your tasks

Are you passionate about Data Science and Artificial Intelligence (AI)? Do you want to learn how to build AI solutions that create real value for our company? Then you’re exactly where you need to be with us! To us, AI is no longer a vision of the future; it’s an essential part of our work. In our Data Science Trainee Program, you’ll have the opportunity to work on innovative projects and drive digitization and the integration of intelligent technologies in the financial sector.

As a Data Science Trainee in our Key Area Big Data & Advanced Analytics, the digital heartbeat of Commerzbank in Frankfurt, you’ll support experienced Data Scientists in analyzing and transforming complex data to generate valuable insights.

You’ll train, test, and optimize AI models to enhance their efficiency.

From the very beginning, you’ll participate in developing sustainable and tailored solutions that combine technological innovation with the entrepreneurial goals of the bank.

You’ll formulate relevant questions and use cases based on specific requirements and create and evaluate predictive models for data-driven decision-making processes.

With your programming experience, you’ll develop model training processes and integrate AI models into cloud infrastructures to ensure their scalability.

During your trainee experience, you’ll learn to analyze complex data purposefully, implement AI models efficiently, and create innovative solutions that lead to sustainable results.

Self-selected practical phases, a mentoring program, and opportunities for international assignments will support you in achieving this.

Your profile

Completed Master’s degree (Data Science, Computer Science, Mathematics or similar)

Basic understanding of machine learning methods and working with databases

Practical experience in exploratory data analysis and statistical modeling

Familiarity with the application of generative AI and initial experience with LLM-based agents

Initial experience in software development and programming skills in Python

Innovative mindset with the ability to quickly grasp challenges and creatively develop solutions

Enjoyment in working in agile and intercultural teams and advancing projects together

Fluent English and German language skills – at least B2 level

Our Benefits

Flexible work

Health and fitness offers

Professional training & development

Friendly work environment

Diverse tasks

Flexible work; Health and fitness offers; Professional training & development; Friendly work environment; Diverse tasks

The company

Commerzbank is the leading bank for the Mittelstand and with a comprehensive portfolio of financial services a strong partner for corporate client groups and private and small-business customers in Germany. We are a bank that is characterized by a fair and cooperative relationship with one another and with our customers.

We appreciate working in inspiring teams of people who bring a diverse background. We offer a creative environment and excellent career development opportunities. Work Life Balance is very important to us. And of course, we know that a good job also includes an attractive salary.

Contact

Would you like to become a member of a strong and dedicated team starting on 01.07.2026? ? If so, please submit your application online. If you have any further enquiries about this role, please contact Alexander Klein, Chapter Lead, mail: alexander.klein@commerzbank.com.