Sales Performance Analyst (w/m/d)

About 1&1

1&1 is among Germany's leading telecommunications providers with over 3,100 employees and nearly 16 million customer contracts. With pioneering spirit, innovative ideas, and creative teams, 1&1 has secured a top market position in mobile and broadband connections. Combining a 67,000 km fiber optic network and regional networks, they operate Germany's most extensive fiber infrastructure. The company is also developing Europe's most advanced 5G network based on Open-RAN technology, featuring open interfaces and 5G functionalities on a robust cloud platform. As experts in customer retention marketing, they utilize personalized, data-driven campaigns across all contact channels to engage and grow their customer base.

Role Overview

Within the Customer Sales & Development team, you will play a key analytical role driving sales management in the Customer Value Management (CVM) of the Drillisch brands. You will analyze the entire value chain—from campaign logic through targeting to sales results—providing the foundation for data-driven decisions aimed at maximizing the value of existing customers. Collaborating closely with the team, you will act as a valued sparring partner pushing continuous improvements of CVM strategies.

Responsibilities

• Monitor and analyze daily performance of key customer value metrics to detect trends, anomalies, and patterns early.
• Independently create forecasts and prognoses along the customer lifecycle and analyze deviations.
• Develop, maintain, and refine reports and dashboards for retention, upsell, and cross-sell initiatives.
• Formulate and investigate analytical questions to advance value management and devise new control logics and perspectives.
• Present performance trends clearly, deriving concise evaluations and actionable recommendations.
• Study relationships across the customer journey and recommend specific measures.
• Collaborate closely with relevant departments and contribute actively to processes, reports, and control approaches.
• Prepare complex data clearly for target audiences, producing management-ready analyses with interpretations and guidance.
• Apply advanced analytics and AI methods to pattern recognition, automation, and enhancement of forecasting models in the customer lifecycle.

Requirements

• Completed academic degree (e.g., STEM, Business, Statistics) or equivalent qualification, with deep analytical skills.
• Several years of experience (at least 3 to 5 years) in data analysis within B2C sales, CRM, or customer value management.
• Strong proficiency in SQL and BI tools like Power BI, with proven experience building analyses, reports, and forecasts.
• Excellent understanding of end-to-end customer lifecycle and value management processes, including campaigns, targeting, and sales outcomes.
• Capability to synthesize complex data into clear, actionable recommendations to enhance customer value.
• Keen analytical curiosity and passion for exploring data deeply and independently developing questions.
• Experience handling large datasets and ideally familiarity with Python or similar tools.
• Strong communication skills and ability to act as a proactive sparring partner within customer value management.
• Fluent German language skills required.

Additional Information

Applicants from outside the EU must hold a valid work permit for Germany. Applications lacking appropriate work authorization or sufficient German language skills may not be considered.