Callista

Architect

• You take end-to-end responsibility — from requirements analysis to production deployment.
• Integrate and connect new data sources into the central Oracle Data Warehouse
• Develop and implement efficient ETL processes
• Design and implement data models for staging, integration, and mart layers
• Analyze, model, and prepare technical and financial data
• Populate the mart layer for data delivery and integration into Power BI — with a focus on performance and high availability (Always-On)
• Conduct performance analyses and targeted optimizations
• Ensure data quality: plausibility checks, validations, monitoring
• Maintain and further develop data lineage and metadata management
• Prepare analyses, reports, and dashboards for business and management stakeholders
• Work closely with IT, engineering, and business units to translate technical requirements into scalable data solutions
• Provide thorough documentation of data flows, processes, and system architecture

Senior DWH Architect, Oracle, ETL, BI

ServiceNow

• Exciting projects involving ServiceNow implementations, extensions, optimizations, and integrations
• Remote, hybrid, or on-site work depending on the project

Senior DWH Architect, Oracle, ETL, BI

ServiceNow Expert