Senior Data Analyst - Experimentation & A/B Testing (f/m/d)

The role

You will build internal dashboards, alerting systems, and data pipelines to monitor user funnels, traffic engagement, and reward consistency. You will design experiments, calculate sample sizes, and analyze A/B/n tests to guide business decisions.

What you will do

• Write complex queries, big data optimizations, and analysis pipelines
• Design experiments and calculate sample sizes
• Manage variance reduction techniques
• Analyze A/B/n tests to ensure statistically sound business decisions
• Apply statistical concepts like hypothesis testing, confidence intervals, p-values, power analysis, and Bayesian vs. Frequentist approaches
• Work with anomaly detection algorithms and approaches like distribution analysis and cross-population comparison
• Understand end-to-end telemetry and feature flagging systems
• Build automated experiment reporting dashboards, reusable analytical frameworks, and data visibility solutions
• Work closely with product managers, engineers, and growth leads to translate statistical results into actionable recommendations

Required qualifications

• 5+ years as a Data Analyst
• Fluent in SQL and Python
• Experience designing experiments, calculating sample sizes, managing variance reduction techniques, and analyzing A/B/n tests
• Ability to reason about hypothesis testing, confidence intervals, p-values, power analysis, and Bayesian vs. Frequentist approaches
• Experience working with anomaly detection algorithms and approaches like distribution analysis and cross-population comparison
• Understanding of end-to-end telemetry and feature flagging systems

Nice to have

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

About the company

adjoe builds the technologies behind mobile apps growth and monetization. Their core product Playtime Arcade is a rewarded advertising platform connecting advertisers and publishers with over 770 million users annually.