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

Overview

adjoe builds the technologies behind mobile apps growth and monetization. With our core product Playtime Arcade , we've become the global leader in rewarded advertising, an ad unit built on a simple premise: users earn real in-app rewards for engaging with new apps. The result is one of the most effective value exchanges in adtech, connecting advertisers and publishers with over 770 million users

What you'll do

• adjoe builds the technologies behind mobile apps growth and monetization.
• With our core product Playtime Arcade , we've become the global leader in rewarded advertising, an ad unit built on a simple premise: users earn real in-app rewards for engaging with new apps.
• The result is one of the most effective value exchanges in adtech, connecting advertisers and publishers with over 770 million users annually.
• Investigating 770 Million User Interactions Across a 100TB Data Lake When a platform serves 770 million users , every optimization from reward mechanics to SDK integrations needs to be grounded in data.
• The Rewarded Analytics team builds the internal dashboards, alerting systems, and data pipelines that monitor the user funnel, traffic engagement, and reward consistency.
• SQL and Python power deep-dive investigations and automated 100 terabyte-sized data analyses queried through Trino.
• Using Tableau as the main visualization tool , stakeholders have access to real-time insights on the product performance.
• Airflow orchestrates the pipelines that keep everything up to date.
• This team provides the data that turns questions into answers: every A/B experiment the product team runs, every anomaly a publisher flags, and every new SDK integration.
• These answers guide all the business decisions.

Requirements

• Practical experience with adjoe.
• Experience level: 5+ yrs.
• Strong written and verbal communication in English.
• Comfortable working on-site in Hamburg.

Skills