Principal Data Scientist

Bayer CropScience Limited; Warszawa; Hybrid; PLN 331,000 - 397,000; Full time

Benefits offered by this job

Medical care

Flexible benefits

Pension plans

Home office allowance

Extra paid holidays

Job summary

Bayer is seeking a Principal Data Scientist to provide strategic leadership for data science within a platform, driving advanced analytics, ML, and AI solutions that align with organizational goals.

You will set direction, oversee delivery of scalable data science products, and champion data science across the organization while ensuring responsible AI practices.

Qualifications

• Advanced degree or equivalent with strong ML/AI background.
• Proven expertise in machine learning, statistics, and data analysis.
• Proficiency in Python or R and ML frameworks.

Responsibilities

• Define and drive the data science strategy for the platform.
• Lead development of analytics, models, and AI solutions.
• Translate business challenges into data-driven products and insights.
• Collaborate with cross-functional teams to deploy scalable solutions.
• Mentor data scientists and champion responsible AI and data ethics.
• Communicate findings to technical and non-technical leadership.

Skills

Python

R

ML/AI knowledge

Statistical modeling

Data analysis

Communication

Education

Master's or PhD in CS/Statistics/Math/Data Science

Bachelor's + 10+ years exp

Tools

TensorFlow

PyTorch

scikit-learn

pandas

NumPy

Spark

Hadoop

SQL

NoSQL

Job description

At Bayer we’re visionaries, driven to solve the world’s toughest challenges and striving for a world where ,Health for all, Hunger for none’ is no longer a dream, but a real possibility. We’re doing it with energy, curiosity and sheer dedication, always learning from unique perspectives of those around us, expanding our thinking, growing our capabilities and redefining ‘impossible’. There are so many reasons to join us. If you’re hungry to build a varied and meaningful career in a community of brilliant and diverse minds to make a real difference, there’s only one choice.

Principal Data Scientist

As a Principal Data Scientist, you will provide strategic leadership for data science within a platform, driving the development of advanced analytics, machine learning, and AI solutions that support organizational objectives.

You will set direction, build capability, oversee the delivery of scalable data science products, and champion the role of data science across the organization. Combining deep technical expertise with strong leadership skills, you will help turn complex data into meaningful business impact while ensuring the responsible and ethical use of data and AI.

YOUR TASKS AND RESPONSIBILITIES

• Define and drive the data science strategy for the platform.
• Lead the development of advanced analytics, statistical models, machine learning, and AI solutions.
• Identify opportunities to generate business value through data science and advanced analytics.
• Translate business challenges into data-driven products and actionable insights.
• Partner with cross-functional teams to design, develop, and deploy scalable data science solutions.
• Drive innovation by applying modern data science techniques and identifying opportunities to improve data practices.
• Mentor and develop data scientists while fostering a culture of continuous learning and technical excellence.
• Champion best practices in data science, data governance, responsible AI, and data ethics.
• Communicate complex analytical findings and recommendations to technical and non-technical stakeholders, including senior leadership.
• Ensure data science products are delivered effectively and supported throughout their lifecycle.

WHO YOU ARE

Required Qualifications

• Master's or Ph.D. degree in Computer Science, Statistics, Mathematics, Data Science, or a related field, or Bachelor's degree with 10+ years of relevant experience.
• Strong academic or professional background in machine learning, artificial intelligence, statistical modeling, and data analysis.
• Strong expertise in machine learning, statistical modeling, and advanced analytics.
• Proficiency in Python and/or R.
• Experience with machine learning frameworks and libraries such as TensorFlow, PyTorch, scikit-learn, pandas, and NumPy.
• Advanced knowledge of statistical methods, including hypothesis testing, regression, clustering, and classification.
• Experience with SQL and relational and/or NoSQL databases.
• Familiarity with big data technologies such as Spark and Hadoop.

Preferred Qualifications

• Experience leading and mentoring data science teams.
• Strong analytical and problem-solving skills.
• Ability to evaluate assumptions, limitations, and quality of data.
• Experience working in cross-functional and interdisciplinary environments.
• Ability to align data science initiatives with business objectives.
• Excellent verbal and written communication skills.
• Strong decision-making skills.
• Knowledge of responsible AI, data ethics, privacy, and data governance principles.

WORK LOCATION: WARSAW AL. JEROZOLIMSKIE 158

At Bayer, we are committed to transparency, equal pay for equal work or work of equal value, and objective reward practices in line with EU and local regulations.

The minimum monthly gross compensation for this role is 32 640 PLN, with final pay determined based on objective factors such as experience, qualifications, scope of responsibility, and internal alignment.

This position is eligible for variable pay components, such as performance‑based bonuses, awarded in accordance with the applicable employee group, role scope, and compensation structure.

Benefits

• Medical care above statutory requirements
• Flexible benefits supporting leisure, and well‑being/sports programs
• Life, accident, and disability insurance through group coverage
• Employer‑supported pension plans with regular company contributions
• Home office allowance to support hybrid or remote work
• Extra Paid Holidays

Benefits may vary depending on country, role, and employment conditions.

Bayer welcomes applications from all individuals, regardless of race, national origin, gender, age, physical characteristics, social origin, disability, union membership, religion, family status, pregnancy, sexual orientation, gender identity, gender expression or any unlawful criterion under applicable law. We are committed to treating all applicants fairly and avoiding discrimination.

Bayer is committed to providing access and reasonable accommodations in its application process for individuals with disabilities and encourages applicants with disabilities to request any needed accommodation(s) using the contact information below.

Bayer offers the possibility of working in a hybrid model. We know how important work‑life balance is, so our employees can work from home, from the office or combine both work environments. The possibilities of using the hybrid model are each time discussed with the manager.

Bayer respects and applies the Whistleblower Act in Poland.

Location: Poland : Mazowieckie : Warszawa

Division: Enabling Functions

Reference Code: 884421