Senior Data Scientist

📋 Description

• Develop, improve, and maintain machine-learning models used within large-scale programmatic
• Enhance existing models by introducing new features, tuning parameters, and incorporating
• Collaborate with Machine Learning Engineers to research, develop, and deploy scalable supervised
• Explore new and existing data sources to identify opportunities for improving models and product
• Research and evaluate machine-learning approaches that can optimize different stages of the
• Design, run, and analyze A/B tests to validate hypotheses, measure impact, and guide product and

🎯 Requirements

• Minimum 5 years of professional experience developing data science or machine-learning products
• Previous professional experience in Ad-Tech is required, with relevant exposure to programmatic
• Strong programming skills, particularly in Python, with a focus on clean, reproducible
• Practical experience with technologies such as Spark, Hadoop, Airflow, Docker, and SQL.
• Hands-on experience developing algorithms for sparse and large-scale datasets, including
• Experience building neural-network-based products for classification, regression, multi-task

🎁 Benefits

• Direct collaboration with founders and the opportunity to make a visible impact.
• Strong opportunities for career development and continuous learning.
• Opportunity to work alongside experienced data scientists, engineers, entrepreneurs, and industry
• International and multicultural team distributed across Europe, Asia, North America, and other
• Flexible work-from-home arrangement.
• Opportunity to relocate to an office in Berlin.