Lead Data Architect (Warszawa, Mazowieckie, PL)

At Bayer, we believe work should matter. Every day, our teams push toward a future where "Health for all, Hunger for none" is within reach, and every role, from the lab to the field to the boardroom, helps us get there. We give people the ownership to shape outcomes, the support to grow through new skills and experiences, and a global community where different perspectives are valued. If you want your work to count and the room to become your best, you'll find it here.

Lead Data Architect

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 25 760 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.

In addition, Bayer offers a competitive and holistic benefits package, including:

- 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

- Company car provided (as a working Benefit)

- Extra Paid Holidays

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

For Digital Hub Warsaw, we are looking for:

Lead Data Architect (CDL)

As a Lead Data Architect, you are part of Bayer's Data & AI Team with a focus on creating data solutions that provide timely, high-quality data to scientists, analysts, and AI agents. You will lead the technical design and implementation of GxP-validated data solutions for clinical studies in our Clinical Data Lakehouse, combining a solid understanding for the clinical data flow with excellent technical and conceptual skills.

Key Tasks & Responsibilities 

Lead the design and implementation of fit-for-purpose data solutions to store, transform, share and analyze clinical data, enabling an efficient clinical dataflow in compliance to legal and regulatory requirements, including appropriate measures to protect secret data in randomized double-blinded clinical studies in accordance to GxP.

Collaborate closely with relevant stakeholders in an agile setup to capture, specify and address data-related requirements and dependencies to ensure a fit-for-purpose technical implementation in a healthy data ecosystem.

Actively exchange with peers, embracing and applying best-practices to maintain a coherent, consolidated and scalable data landscape.

Lead the design and implementation of integration patterns, FAIR data principles and semantics to enable efficient, compliant, and secure data consumption by humans, systems, and AI agents within and beyond the primary data context.

Lead the collaboration with infrastructure experts to ensure a robust, efficient, secure and fit-for-purpose setup, leveraging infrastructure-as-code and composable architecture.

Mentor and coach less-experienced colleagues and uphold high standards in requirements specification, engineering practices, code review, testing, and documentation.

Actively exchange with other data-related initiatives across Pharma to maintain a comprehensive view of the data landscape and keep strategic alignment on data architecture.

Qualifications and Competencies 

Required:

Bachelor’s Degree in computer science, information science, knowledge engineering, computational linguistics, data engineering, information technology, or a related field

5+ years of experience in data architecture, or a similar role, with proven leadership in designing and delivering production-grade data pipelines and services

Strong ownership of deliverables, high standards for code review and peer mentorship, and a commitment to clear documentation, metadata/lineage publishing, and sustainable data engineering standards and practices

Proficiency in designing and implementing data models (conceptual, logical, and physical)

Proficiency with Databricks, including DBX Asset Bundles, Lakeflow Jobs, Unity Catalog, Access control and governance model and Databricks CLI

Extensive experience with API design patterns and Ability to integrate data from source systems using various interface patterns, such as OpenSharing/Delta Sharing, Iceberg-Sharing, ODBC, GraphQL, OData, REST, or event streaming

Strong engineering skills (data engineering, software engineering, or cloud engineering)

Proficiency in Python programming, especially PySpark and Kapitan

Proficiency in Git, including Github Actions, CI/CD Pipelines (declarative YAML), Branching strategies, and trunk-based development

Hands-on experience with Infrastructure-as-code, ideally Terraform on AWS

In-depth knowledge of FAIR Data Principles, Linked Data principles, and Data Mesh architecture concepts, with demonstrated ability to apply them in practice

Proficiency with data governance and security principles and practices

Strong analytical and communication skills

Good communication and collaboration abilities to work independently in a self-organized team

High level of accuracy and attention to detail

Preferred

Experience with GxP validation and Computerized Systems Validation

Experience in Requirements Engineering

Experience with semantic layer concepts in modern data platforms such as Databricks, Snowflake, or Microsoft Fabric

Experience designing and implementing Model Context Protocol (MCP) servers

Hands-on experience with GraphRAG solution design and implementation

Knowledge of data privacy regulations (e.g., GDPR, CCPA)

Cloud engineering experience (e.g. AWS, Azure)

Knowledge in the pharmaceutical domain (e.g. LOINC, SNOMED CT, omics, targets, assays, clinical studies, RWE, etc.)

YOUR APPLICATION       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:  PH DS & AI   Reference Code: 894350

Location:

Poland : Mazowieckie : Warszawa

Division:

PH DS&AI

Reference Code:

894350