Werkstudent (m/w/d) Data Analyst - Internet

About the Position

Werkstudent (m/w/d) Data Analyst - Internet

• Part-time

CHECK24 is the leading comparison portal: We are market leaders and a dynamic startup in one. In agile teams, we make quick decisions and embrace flat hierarchies. By using modern tools and technologies and state-of-the-art AI methods, we drive data-driven innovations - always with an eye on the added value for our customers. Every day, we work on more than 50 products to continuously improve the user experience of our over 20 million customers.

With the CHECK24 Internet tariff comparison, we support our customers in finding suitable Internet and TV offers from over 350 providers quickly and transparently. We combine data-based analyses with a clear focus on usability and product quality.

As a Werkstudent (m/w/d) Data Analyst, you will actively contribute to the data-driven further development of our Internet comparison, gain relevant insights, and measurably improve the customer experience. We look forward to your application at the CHECK24 Vergleichsportal Telekommunikationsdienste GmbH.

Responsibilities

• Data Analysis & Insights: You will analyze large amounts of data together with the Data Science and Business Intelligence team using Python and SQL, identify relevant patterns, and derive concrete action recommendations for product-related questions.
• Dashboard Optimization: You will analyze and optimize our Business Intelligence tool Tableau and develop existing dashboards with a focus on data-based control and transparency.
• AI Feature Evaluation: You will test new AI-based features before going live and evaluate their performance in the product context.
• Data Sources & Automation: You will take over the connection of new API data sources to our systems and develop automated evaluations and additional analytics functions based on this.
• Data Preparation: Transformation, validation, and structured preparation of raw data for analyses, reports, and operational questions are part of your responsibilities.
• ETL-/ELT-Processes: You will actively participate in the setup and further development of our ETL and ELT processes and support the efficient and reliable provision of data flows.

Requirements

• Education: You are an enrolled student (m/w/d) with an economic, scientific, or information technology focus, for example, in Data Engineering, (Business) Informatics, Mathematics, or Physics.
• Practical Experience: Ideally, you have experience working with large data sets and Business Intelligence tools.
• SQL Skills: You confidently use your SQL skills for independent queries and data analyses.
• Python Experience: You have practical experience in data preparation and scripting with Python, for example, with pandas.
• Analytical Understanding: You have a strong understanding of data-driven relationships and a structured approach.
• Technical Basics: Knowledge of data structures and algorithms is part of your profile.
• Work Style: You work independently, take responsibility for your tasks, and coordinate closely with colleagues from product and development.
• Language Skills: Fluent German and English skills (level C1/C2) in speech and writing complete your profile.

Nice to Have

• Data Engineering
• Business Intelligence
• Analytical Skills
• Algorithms
• Data Structures

We Offer

Responsibility and Development

• Ownership for your topics – bring in your own ideas, try out new things, and take responsibility for real impact.
• Optimal preparation for your professional life – through relevant practical experience and regular feedback, you lay the foundation for your career.

Team Spirit and Balance

• We live team spirit in everyday work and beyond – whether it's a shared lunch, playing foosball, or after-work meetings.
• With us, you can optimally combine work and studies – with flexible working hours and our centrally located office at Donnersbergerbrücke.
• You can feel at home with us – regular office lunches and free drinks, muesli, and fruit are a matter of course.
• The perfect balance to everyday work is offered by the subsidized external sports offer (including EGYM Wellpass).

Modern Workspace and Future Focus

• An inspiring environment – our modern office offers high-quality equipment such as MacBooks and height-adjustable tables.
• Use of top technologies – use AI tools like Cursor, ChatGPT Enterprise, and many more daily.

Job Location

Germany

Additional Information

Data Protection Declaration | Imprint

Posted by

Anja Herger

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