Principal Data Analyst - Accounting (m/w/d)

BESTSECRET is the leading European online destination for premium and luxury off-price fashion. The Group offers its members in 28 countries across Europe a superior brand portfolio complemented by a high-end shopping experience. At the same time, BESTSECRET enables its brand partners to clear overstock at scale with minimum visibility and maximum brand equity protection. The unique business model is based on its closed character with an invitation-only customer membership, longstanding brand partner and customer relationships, combined with a tech-focused mindset. BESTSECRET has a strong track record of profitable growth over many years. It generated revenues of EUR 1,533.7 million in 2025 and employs around 2,200 people from over 90 nations. The Group draws on a heritage of 100 years in the textile and fashion industry and today is owned by Permira Funds and the founding families Schustermann and Borenstein. You don’t just report numbers - you question them. You dig into large financial datasets, surface what doesn’t add up, and translate raw ERP data into clear, actionable insights. If you’re energized by process gaps, reconciliation puzzles, and the satisfaction of clean, reliable data, this role was built for you. What You’ll Do Data Analysis & Financial Accuracy Systematically analyze, validate and reconcile large volumes of booking data to identify inconsistencies, outliers, and process gaps Detect system-side inconsistencies through structured analytical routines Develop and maintain automated control mechanisms to ensure ongoing data quality Perform large-scale reconciliations across ERP, BI tools, and other systems Reporting & Analysis Support month-end, quarter-end, and year-end close activities through data-driven checks Handle ad-hoc analyses for unexplained booking discrepancies or system anomalies Support the Accounting team in developing reporting solutions — both systematic and ad-hoc Process Optimization & Automation Design and implement (semi-)automated validation scripts and control routines to reduce manual effort Contribute to identification of process gaps and development of improvement proposals Support implementation of ERP changes from a data quality perspective What You Bring Must-Have Degree in Business Administration, Finance, Data Science, or a comparable field Experience in data analysis, controlling, or accounting Experience with Power BI or comparable BI tools (Tableau, Looker) Knowledge of SQL for data analysis Strong Excel Hands-on experience with ERP systems (SAP preferred) and financial booking data Solid understanding of financial accounting processes and booking logic Analytical mindset: ability to recognize patterns in large datasets and draw meaningful conclusions Fluent English (written and spoken) Nice-to-Have Fluent German Who You Are Detail-oriented with a high personal quality standard — you notice what others overlook Structured and self-directed, even with complex or unstructured datasets Proactive: you identify problems before they escalate At BESTSECRET, diversity isn't just a trend – it's our professional philosophy. We are dedicated to cultivating an inclusive workplace where everyone's unique talents and backgrounds are celebrated. Applicants from all backgrounds, experiences and perspectives are welcome to join us in our mission towards a more vibrant and inclusive future.