Senior Data Analyst - Experimentation & A/B Testing

Stack

Responsibilities

• ▹Build internal dashboards, alerting systems and data pipelines monitoring the user funnel, traffic engagement and reward consistency
• ▹Run deep-dive investigations and automated 100 terabyte-scale analyses via Trino with SQL and Python
• ▹Analyze the product team's A/B experiments, publisher anomalies and new SDK integrations
• ▹Build automated experiment reporting dashboards, reusable analytical frameworks and data visibility solutions
• ▹Translate complex statistical results into clear, actionable recommendations with product managers and growth leads

Requirements

• ▹5+ years as a Data Analyst, fluent in SQL and Python, writing complex queries, big data optimizations and analysis pipelines
• ▹Deep experience designing experiments, calculating sample sizes, variance reduction and analyzing A/B/n tests
• ▹Statistical grounding: hypothesis testing, confidence intervals, p-values, power analysis, Bayesian vs. Frequentist approaches
• ▹Experience with anomaly detection algorithms and approaches such as distribution analysis and cross-population comparison
• ▹End-to-end understanding of the telemetry and feature flagging systems behind experimentation, data flows and event tracking pipelines
• ▹Business awareness and collaboration with product managers, engineers and growth leads

Nice to have

• ▹Experience with dbt, Airflow or experiment platforms (e.g. Optimizely, GrowthBook)

Soft skills

What we offer

• ▹Relocation support to Hamburg, Germany
• ▹Diverse global team from over 40 countries
• ▹Shipping multiple times a day, fast pace

About the company

adjoe builds the technologies behind mobile apps growth and monetization. With its core product Playtime Arcade it is the global leader in rewarded advertising, reaching over 770 million users annually.