Senior Data Scientist

Data Science & Advanced Analytics

Warsaw, Poland

The Senior Data Scientist is responsible for designing, deploying and continuously optimizing scalable ML solutions that translate business requirements into measurable impact across EMEA markets. The position combines technical execution with business alignment, ensuring solutions remain adaptable to evolving commercial needs while maintaining architecture consistency and standardization.

Principal Accountabilities

• Engagement in projects of the European Data Science & Advanced Analytics Team
• Convert business requirements into operational KPIs and guide ML engineering decisions
• Demonstrate flexibility to iteratively refine and adapt deployed ML solutions to evolving business needs and commercial strategies.
• Harmonize country-specific particularities with a unified, scalable ML architecture, ensuring local relevance without compromising standardization and maintainability.
• Development and improvement of quality control methodologies, ML based imputation approaches and various projection methodologies
• Support the full ML lifecycle including data exploration, feature engineering, model training, production deployment, validation and monitoring.
• Collaborate with engineering and operational teams to build robust ML models and pipelines.
• Member of project team ensuring efficient and effective project delivery to meet project team and client expectations.

Our Ideal Candidate Will Have

• Degree in Computer Science, Statistics, Mathematics, Engineering or a related quantitative field
• Substantial experience delivering production-grade ML solutions, preferably in regulated or data intensive domains ( e.g., healthcare, life sciences, market analytics)
• Strong Python expertise for data and ML engineering, including modern data processing frameworks ( e.g., Pandas, Polars, NumPy) and scalable ML tooling.
• Hands-on experience with cloud-native ML environments (AWS, Azure or GCP), including containerization and deployment best practices.
• Deep understanding of ML fundamentals, including model selection, validation strategies, performance optimization and monitoring in production.
• Strong analytical mindset with high standards for data quality, reproducibility, and robustness.
• Proven ability to work autonomously while collaborating effectively across cross-functional and international teams.
• Strong ownership mentality, with effective prioritisation and time-management skills in fast-paced, evolving environments.
• Excellent communication skills, with the ability to translate complex technical concepts into clear insights.

The Team

Data Science & Advanced Analytics – with departments in Frankfurt, Philadelphia, Milan, Madrid, Athens, Warsaw and Beijing as well as a network of more than 300 experts worldwide - is the global competence center for statistics and data science at IQVIA. Data Science & Advanced Analytics is responsible for developments of the statistical procedures and methods used for quality assurance processes, data imputations, data projections, forecasting and many other for healthcare panel data including pharmacy sales, ecommerce data, hospital consumption, physician level prescriptions and longitudinal anonymized patient level data.

Joining the Data Science & Advanced Analytics team provides the opportunity to work with large and complex data and methodologies in a fast-paced, ever-changing environment to support international customers. As a member of our team you can expect exciting international projects with interesting development perspectives.

Why Join?

Those who join us become part of a recognized global leader still willing to challenge the status quo to improve patient care. You will have access to the most cutting-edge technology, the largest data sets, the best analytics tools and, in our opinion, some of the finest minds in the Healthcare industry.

You can drive your career at IQVIA and choose the path that best defines your development and success. With exposure across diverse geographies, capabilities, and vast therapeutic and information and technology areas, you can seek opportunities to change and grow without boundaries.

Regardless of your role, we invite you to reimagine healthcare with us. You will have the opportunity to play an important part in helping our clients drive healthcare forward and ultimately improve human health outcomes.

It's an exciting time to join and reimagine what's possible in healthcare.

_IQVIA is a strong advocate of diversity and inclusion in the workplace. We believe that a work environment that embraces diversity will give us a competitive advantage in the global marketplace and enhance our success. We believe that an inclusive and respectful workplace culture fosters a sense of belonging among our employees, builds a stronger team, and allows individual employees the opportunity to maximize their personal potential

_IQVIA is a leading global provider of clinical research services, commercial insights and healthcare intelligence to the life sciences and healthcare industries. We create intelligent connections to accelerate the development and commercialization of innovative medical treatments to help improve patient outcomes and population health worldwide. Learn more at https://jobs.iqvia.com

IQVIA is committed to integrity in our hiring process and maintains a zero tolerance policy for candidate fraud. All information and credentials submitted in your application must be truthful and complete. Any false statements, misrepresentations, or material omissions during the recruitment process will result in immediate disqualification of your application, or termination of employment if discovered later, in accordance with applicable law. We appreciate your honesty and professionalism.