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Callista Group AG

1 week ago

Senior Solution / Data Architect (Azure Databricks)

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Company information

Company
Callista Group AG
Location
Frankfurt, Hessen, Germany Germany
Posted
1 week ago
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Job description

For our client, an insurance company in the greater Frankfurt am Main area, we are looking for an experienced Solution or Data Architect as part of the development of a new strategic data platform (Lakehouse) based on Microsoft Azure and Databricks. Together with the client, you will design the target architecture of the new platform within a given corporate data platform and be responsible for data models, integration, and modeling standards. Architectural authority lies with the client – therefore, a strong consulting role with well-founded decision proposals is required.

Tasks

  • Development of the target architecture on Azure Databricks (Lakehouse, Medallion Architecture Bronze/Silver/Gold) within the client's corporate platform

  • Business, logical, and physical data model including historization as the basis for implementation

  • Integration and loading concept: data flows, delta logic, error handling, restart

  • Concept for the cross-system consolidation of customer and agent data (matching, duplicate cleanup, golden record)

  • Architecture and modeling standards, non-functional requirements, and performance and scaling concepts

  • Concept for Data Governance, roles and permissions, Data Catalog, Lineage, retention, and deletion (Unity Catalog, GDPR)

  • Creation of architecture decision proposals and support for the implementation team

  • Documentation and expansion logic for further source systems and business areas


Requirements

  • Several years of in-depth experience as a Data Warehouse or Data Platform Architect, ideally with responsibility for a new build

  • In-depth knowledge of Microsoft Azure and Databricks (Delta Lake, Unity Catalog, Workflows)

  • Very good knowledge of data modeling (Data Vault, Kimball) and historization concepts

  • Experience with Master Data or Matching approaches (customer/partner duplicates) is an advantage

  • Experience in Data Governance, security, and authorization concepts, as well as with regulatory requirements (e.g., GDPR, VAIT/DORA)

  • Experience with heterogeneous source systems (e.g., Oracle, IBM i/AS400, CRM, external service providers) is an advantage

  • Industry experience in the insurance sector is an advantage

  • Strong consulting skills and confident demeanor with management, business units, and corporate IT

  • Relevant certifications (e.g., Azure Solutions Architect, Databricks Certified) are an advantage

  • Fluent German and good English skills

General Framework Conditions

  • Workload: 80–100%

  • Start date: Early November 2026

  • Duration: until March 31, 2027, with an option for extension (follow-up phases planned until the end of 2028)

  • Location: Greater Frankfurt am Main area (Germany)

  • Onsite/Remote: High onsite component in the first 2–3 months (3–4 days per week), thereafter approx. 2 days onsite, rest remote

  • Client meeting: Availability for interviews with the client at the end of October 2026

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