0Sales Performance Analyst (m/f/d)
1&1 | Germany | 76xxx, 40xxx Karlsruhe, Düsseldorf | Permanent position | Full time | Published since: 03.07.2026 on stepstone.de

Sales Performance Analyst (m/f/d)

Branch: IT-network engineering, IT-... Branch: IT-network engineering, IT-coordination, IT-administration and IT-organisation


1&1 is one of the leading telecommunications providers in Germany with over 3,100 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 67,000 km long 1&1 fiber optic network and regional networks, we create Germany's most extensive fiber optic 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. We are the stock customers marketing experts - with personalized, data-driven campaigns binding on all contact channels and we develop our customers. Be part of 1&1. .

Your tasks • Your profile • What we offer

In the Customer Sales & Development team, you play a central role as an analytical driver of sales management in the customer value management of our Drillisch brands. You penetrate the entire value chain - from the campaign logic to the selection to the sales result - and create the basis for well-founded, data-based decisions to increase value in stock. In close cooperation with the team, you act as a Sparring partner at eye level and drive forward the continuous optimization of our customer value measures. You analyze and monitor the daily performance of central customer value figures and identify vulnerabilities, trends and patterns at an early stage You develop independent forecasts and forecasts along the customer lifecycle and analyze deviations. You create, maintain and optimize reports and dashboards for retention, upsell and cross-sell measures. You formulate and process analytical questions on the further development of value management and develop new control logics and perspectives. You prepare performance developments in a comprehensible way and derive clear reviews and concrete recommendations for action. You analyze relationships with the customer journey and derive concrete measures. You work closely with relevant disciplines and actively engage in processes, reports and control approaches. You prepare complex data to address and create management-ready evaluations with clear interpretation and recommendations for action. You use modern analytics and AI approaches for pattern recognition, automation and further development of forecasting models in the customer lifecycle.

Completed studies (e.g. STEM, Economy, Statistics) or comparable qualification - your analytical depth is crucial Multiannual experience (min. 3-5 years) in data analysis in the B2C sales, CRM or customer value environment Very good knowledge of SQL and BI tools (e.g. Power BI) as well as experience in creating analyses, reports and forecasts Strong understanding of end-to-end relationships in customer lifecycle and value management (campaigns, selection, sales result) Ability to process complex data in a comprehensible manner and translate it into clear, feasible recommendations for action to increase value Impressed analytical curiosity and joy in immersing deep into data and developing independent questions Experience in handling large amounts of data and ideally knowledge in Python or comparable tools Communication strength and the ability to set impulses as a proactive Sparring partner in customer value management Very good German knowledge

Location

ava 1&1
Karlsruhe, Düsseldorf
Germany

The text of this ad was translated from German into English using an automatic translation system and may contain semantic and lexical errors. Therefore, it should be used for introductory purposes only. For more detailed information, see the original text of the ad at the link below.

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