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# Senior Data Analyst (Engineer)

- **Company:** adjoe GmbH
- **Location:** Hamburg, Germany
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** A/B Testing, Airflow, Data Analysis, Data Presentation, Data Visualization, JSON, Python (Programming Language), SQL Databases, Data Processing, Data Layers, Information Technology, Power Analysis (Cryptography), Performance Monitor, Data Pipelines
- **Published:** August 3, 2026
- **Apply:** https://de.indeed.com/viewjob?jk=9689655ecd3444c9

## About the Role

* 5+ Years Analytics Experience & Senior Leadership: You bring 5+ years of data analysis experience-supported by a track record of bridging business ideas to technical solutions, spotting operational blind spots, and mentoring junior/mid-level analysts to scale the team's impact.
 * Analytics Engineering with dbt & Airflow: You design and automate reliable, scalable data pipelines and workflows using dbt and Airflow, building automated, cleansed, and governed data layers that drive trusted real-time performance reporting, data quality control, and regulatory compliance.
 * Massive-Scale SQL & Cost Optimization: You hold a degree in CS, Data Science, Informatics, or a related math-heavy field, paired with mastery of SQL (Window Functions, CTEs, deeply nested JSON/Map types) to optimize heavy Trino/Athena queries over 5TB+ daily data volumes for speed and infrastructure cost-efficiency.
 * Memory-Efficient Python Processing: You possess deep Python expertise for complex, memory-efficient data manipulation and statistical modeling, ensuring analytics pipelines handle massive daily data volumes without degrading performance.
 * Experimental Rigor & A/B Testing: You apply Python-driven statistical methods (Power Analysis, P-values, Bayesian frameworks) to rigorously evaluate SDK-side experiments and support the rollout of profitable feature iterations.
 * Data Storytelling & Stakeholder Execution: You combine data visualization and strong technical storytelling to translate complex statistical analyses, real-time campaign performance, and operational findings into actionable recommendations for cross-functional stakeholders.



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