1&1 | Germany | 76xxx, 60xxx, 65xxx Karlsruhe, Frankfurt am Main | Permanent position | Full time / Home office | Published since: 21.05.2026 on stepstone.de
Performance Analyst Online Sales (m/f/d)
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. .
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Your tasks • Your profile • What we offer
In this role, you act as an analyst for our online sales in stock customer business. You are responsible for introducing data-based insights and impulses that secure and increase sales success on the online customer platforms. Your tasks are:
Conception and implementation of holistic end-to-end analyses that map the way of the customer from login to the final online conclusion and let deviations/points of action be recognized early and precisely. Continuous creation and expansion of the Performance Dashboards, which provide the Conversion Rate Optimization Managers for daily control, incl. Strategic extension to features/capabilites Identification of drop-out founders and performance deviations within the digital sales channel for deriving recommendations for action. anchoring a data-based test culture by statistical evaluation of A/B tests and analysis of user behavior on landing pages Establishment of management-oriented reporting and implementation of ad-hoc analyses that translates complex online data into clear interpretations and operational measures for the Executive Board. Requirement and acceptance of strategic extensions of data sources and connections for the precise measurement of customer journeys and demolition cats on microsegments.
Successfully completed studies, ideally with quantitative-analytical focus such as e.g. Business Informatics, Mathematics etc. Multiannual professional experience in performance analysis, ideally in the field of e-commerce, online marketing or in a subscription environment. Finded knowledge of SQL or Python for explorative data analysis as well as expertise in dealing with web analytics tools. Skills to represent results and let them flow into management decisions Experience in cross-functional teams (Product, Sales, Tech) Structured, analytical and creative mindsets
- 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
- Jobrad grant
Location
 | 1&1 | |
| Karlsruhe, Frankfurt am Main | ||
| Germany |
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