Senior Data Analyst (m/f/x)

Join Atolls as a Senior Data Analyst (Community & Product Forensics)!

Atolls, the world's largest community-driven shopping platform, is seeking a talented Senior Data Analyst to join our Community Data Team in Berlin/Munich.

About This Role:

As our "Data Detective," you will be instrumental in leading community intelligence and data integrity efforts. You'll perform deep-dive analytics on high-volume event data, ensure its accuracy, and uncover insights to drive community growth, directly shaping the digital destinations millions of consumers rely on.

Responsibilities:

• Technical Investigation & Forensics: Identify and resolve data discrepancies by inspecting web/app technologies to find root causes.
• Deep-Dive Community Analytics: Analyze complex member behaviors (retention, engagement, viral loops) to drive community growth.
• Data Science & Modeling: Build and deploy predictive models (Churn Prediction, Sentiment Analysis, Member Segmentation) using Python.
• High-Performance SQL: Write optimized queries in ClickHouse to process billions of rows of interaction data.
• Data Hygiene: Audit and clean data, building logic to handle bot activity, duplicate identities, and tracking gaps.

Your Profile:

• Expert SQL: Advanced mastery of SQL (CTEs, Window Functions, Optimization), ideally with ClickHouse experience.
• Web/App Technical Literacy: Basic understanding of web/app tracking, comfortable inspecting network payloads and debugging event triggers.
• Analytical Intuition: A strong ability to spot and tenaciously investigate data anomalies.

Nice-to-Haves:

• Workflow Automation: Basic knowledge of Airflow.
• Data Science Toolkit: Proficiency in Python (Pandas, Scikit-learn).
• Community Domain Knowledge: Experience analyzing developer communities, forums, or social platforms.

Our Benefits:

• Culture valuing personal and professional development with internal mobility.
• Supportive and open-minded team embracing diverse perspectives.
• 32 days of paid vacation plus your birthday off.
• Flexible hybrid working scheme.
• Access to a learning budget and internal training.
• Mental health coaching.
• Regular global and local get-togethers.
• Possibility of sabbatical after three years.
• Cloud-based company setup for flexibility and collaboration.

Our Hiring Process:

1. TA Call: Meet with a Talent Expert.
2. Technical Round: Focus on technical aspects with a Live Case and meet your potential manager.
3. Final Round: Meet other Atollians (1-3 interviews).

Atolls is committed to fostering an inclusive environment. Employment opportunities are open to all, valuing diversity, equity, and belonging.