Strong Middle/Senior Data Scientist (AdTech)

• Design, develop, and deploy machine learning models to solve complex business problems in the AdTech domain
• Analyze large datasets to generate actionable insights and improve product performance
• Build and maintain scalable data pipelines using big data tools and frameworks
• Perform data preprocessing, cleaning, feature engineering, and model evaluation
• Collaborate with cross-functional teams including engineers, analysts, and product managers
• Ensure model accuracy, reliability, and scalability through rigorous testing and validation
• Stay updated on emerging data science techniques, tools, and best practices
• Contribute to team discussions, process improvements, and knowledge sharing

• At least 4 years of experience applying machine learning, statistical modeling, and data mining techniques to real-world business problems
• Strong programming skills in Python and/or R
• Solid understanding of machine learning algorithms, their applications, and statistical principles
• Experience building and productionizing data pipelines and ML models in cloud environments, preferably AWS
• Hands-on experience working with large-scale data using PySpark or RSpark
• Proficient in SQL and experienced with Excel for data analysis and reporting
• Ability to measure the business impact of ML models using proper evaluation frameworks
• Familiarity with version control systems and agile development practices
• At least Upper-Intermediate level of English  

PERSONAL PROFILE

• Excellent communication and interpersonal skills, with the ability to collaborate effectively with cross-functional teams and stakeholders 
• Strong problem-solving and decision-making skills, with a focus on driving results and meeting deadlines 
• Self-motivated, adaptable, and eager to learn new technologies and frameworks