Lead Data Scientist

adjoe is a leading mobile ad platform developing cutting-edge advertising and monetization solutions that elevate its app partners’ businesses. Part of the applike group ecosystem, adjoe boasts an advanced tech stack, strong financial backing from Bertelsmann, and a motivated workforce.

Meet Your Team: Playtime

Playtime is a time- and event-based ad unit that rewards users with in-app currency for their playtime and completed events in mobile games. We connect advertisers to over 200 million Playtime users, serving 2 billion requests daily with low latency. Our goal is to ensure a positive experience for all: advertisers gain more app users, monetizers earn revenue, and users enjoy fun games with rewards. Our data science team powers this engine by developing algorithms for relevant ads, predicting user interests, and dynamically adjusting pricing.

What you will do:

1. Collaborate with Supply & Demand Tech and Product teams to develop data science models balancing advertiser, monetizer, and user experience goals.
2. Build and maintain models such as classifications and recommendations.
3. Engage directly in data science tasks, dedicating at least 50% of your time to hands-on work.
4. Lead and grow a data science team: hire, organize routines, and set guidelines for code and documentation.
5. Mentor team members to improve analysis, programming, communication, and planning skills.
6. Manage critical data science documentation and advocate for data-related initiatives within the company.
7. Contribute to strategic planning, working on long-term roadmaps and quarterly OKRs.
8. Analyze business data to identify growth opportunities and lead projects for substantial company growth.

Who you are:

• You hold a degree in mathematics, physics, computer science, or have 5+ years of relevant experience.
• You have at least 2 years of experience leading or mentoring teams.
• You are proficient in Python, R, Scala, Julia, or similar languages.
• You understand business needs and can develop solutions accordingly.
• You have experience with deep learning models in production environments with high traffic.
• You possess excellent analytical skills and can identify multiple solutions to problems.
• You are experienced with large datasets from sources like AWS Athena, Kafka, Spark, S3, MySQL.
• You can explain complex mathematical topics simply.
• You are an effective communicator and collaborator, tailoring your message to your audience.
• Plus: Knowledge of Airflow, model deployment, and infrastructure.
• Plus: Experience in the AdTech industry.

Fuel for the Journey: Benefits to Support Your Ambitions

• Invest in Your Future: Receive regular feedback and participate in development programs to grow your skills and career.
• Easy Arrival at adjoe: We support visa processes, relocation, German language learning, and settling into Hamburg.
• Live Your Best Life: Enjoy hybrid work, 30 vacation days, flexible hours, remote work, gym access, and mental health support.
• Thrive Where You Work: Work with a view of the Alster lake in our well-equipped, vibrant office with snacks and drinks.
• Join the Community: Participate in team events, hackathons, and social gatherings to celebrate and connect.