Senior Data Scientist

Job Description

Responsibilities

• Monitor and optimize production model performance, stability, and drift.
• Conduct model validation, back-testing, and performance reporting.
• Investigate data and model issues and implement corrective actions.
• Maintain data pipelines, documentation, version control, and audit trails.
• Support regulatory, compliance, and governance requirements.
• Partner with internal teams and clients to improve analytical solutions and data quality.
• Contribute to innovation, best practices, and knowledge-sharing initiatives.
• Experience working in data science, machine learning, analytics, or related technical roles.
• Strong foundation in statistics, probability, linear algebra, optimization, and predictive modeling.
• Experience developing, validating, monitoring, and maintaining machine learning and analytical models in production environments.
• Knowledge of machine learning, AI, deep learning, regression techniques, and model evaluation methodologies.
• Experience with model validation, cross-validation, regularization techniques, statistical testing, and performance monitoring.
• Proficiency in Python and/or other programming languages used for analytics and data science.
• Experience working with large-scale data processing technologies and modern data platforms (e.g., Spark, Hadoop, distributed data environments).
• Familiarity with structured and unstructured data processing, including NLP techniques.
• Strong understanding of data quality, model governance, compliance, and documentation best practices.
• Personal Development - career pathway for professional growth supported by learning and development programs and unlimited access to online educational training courses, learning materials and books.
• Work environment - excellent work conditions with friendly environment, recognized team spirit, and fun and quality recreation time.
• Social benefit package including life insurance, food vouchers, additional health insurance, monthly flex allowance and internet coverage, corporate discounts, marriage and childbirth / adoption allowance, Multisport card, Sharesave plan, Employee assistance program, а birthday gift and many other benefits!
• Work-life balance - 25 days paid vacation, 1 additional day off for your birthday and extra 3 paid days for participation in Social responsibility event.