Working Student Data Science (f/m/d)

1&1 is one of the leading telecommunications providers in Germany with over 3,200 employees and nearly 16 million customer contracts. With pioneering spirit, unusual ideas and creative teams, we have won a leading market position in mobile and broadband connections. By combining the over 50,000 km long 1&1 fiber optic network and regional networks, we create Germany's most extensive fibre network. We also build the most modern 5G network in Europe, based on the new Open-RAN technology. With open interfaces and 5G functions in a powerful cloud infrastructure. Our customers are at the heart of our thinking and action. For them we create solutions and values that inspire. Continue the 1&1 success story. Innovative, reliable, passionate and personal experience! Be part of 1&1.

To support our Performance & Process Analytics team in the field of “Operations Customer Care” we are looking for you as a dedicated and motivated personality for a work-studier-enhancing activity around demanding analysis tasks:

• Data analysis and data modeling: You carry out data analysis on large structured and unstructured data volumes, using methods from the statistical, business intelligence, data science and machine learning environment.
• Data cleaning and preprocessing: You select data from the operating databases and the central data warehouse and support data engineering for maximum accuracy, completeness and reliability of the data.
• Visualization of results: You’ll start visually appealing management presentations and reports to convey complex results to technical and non-technical stakeholders.
• Continuous learning and innovation: You are researching methods of the current state of research that can be applied to 1&1-relevant problems.

In addition to initial theoretical knowledge through an ongoing master's degree in an analytical degree program (mathematics, physics, (economic) informatics or comparable), you have great interest in using these practically in the telecommunications industry. In addition, you are particularly distinguished by:

• Your strengths include a high analytical mindset and a structured and solution-oriented approach.

• You bring statistical knowledge and first practical experience in the fields of data science, machine learning, text mining and ideally generic artificial intelligence.

• You have first user knowledge in programming with Python and ideally in the relevant BI tools for data visualization (e.g. with PowerBI) and in database applications (SQL).

• We require a secure handling of MS Office, especially Excel and PowerPoint.

• You communicate understandably and convincingly and are a real team player.

• Attractive salary

• Strong community of team players

• Working hours of confidence with flexible classification and the possibility of working up to 40% mobile

• Numerous training options on- and offline

• Discounts on 1&1 products and for various leisure activities

• In-house restaurant

• Free drinks and fresh fruit JOBV1_EN