Senior Data Platform Consultant
SQL Server, Data Warehouse, BI and Azure Data Platform
I support organizations in the development, modernization, stabilization and documentation of business-critical data platforms.
SERVICES
Technical delivery with a focus on operations, maintainability and performance.
Development, administration, performance tuning, DevOps and operations for business-critical SQL Server platforms.
Data Warehouse ConsultingData Vault, Kimball, ETL, data quality, BI delivery, Azure Data Platform and technical documentation.
Power BI ConsultingPower BI data models, DAX measures, dashboards, Row-Level Security, governance and reporting built on clean data platforms.
Azure Data PlatformAzure Data Factory, Synapse, Databricks, Microsoft Fabric, Data Lakes, DevOps, CI/CD and modern cloud data platforms.
SQL Performance TuningAnalysis and optimization of slow SQL Server queries, indexes, execution plans, Query Store, Wait Statistics, ETL and reporting workloads.
ETL DevelopmentRobust ETL and ELT pipelines with SSIS, T-SQL and Azure Data Factory: incremental loading, error handling, idempotency, testing and orchestration.
Data Vault ModelingData Vault 2.0 with hubs, links and satellites, hash keys, Raw and Business Vault, plus query-ready Kimball structures and automated loading.
BI ArchitectureEnd-to-end BI architecture from the star schema through the semantic layer in Power BI and SSAS Tabular to DAX, Row-Level-Security and governance.
Oracle Database & PL/SQLOracle 8i to 19c, PL/SQL packages and procedures, performance with explain plan and hints, plus migration to SQL Server.
Python for Data EngineeringData wrangling with pandas, exploratory analysis in Jupyter, PySpark/Databricks, Parquet and Delta Lake, and integration with Azure.
PowerShell AutomationAutomating SQL Server and Azure with dbatools, CI/CD and deployment pipelines, inventory, and repeatable operational processes.
Legacy ETL & MigrationReplacing Informatica PowerCenter, Oracle Data Integrator, and Teradata BTEQ with SSIS and Azure Data Factory.
Linux Automation & InfrastructureShell and Python automation, systemd and cron, Proxmox, Docker, NGINX, WireGuard, and backup pipelines for reliable operations.
Technical DocumentationOperations and architecture documentation, runbooks, Confluence, data dictionaries, docs-as-code, and automated docs from metadata.
Git & GitflowA well-planned branching workflow with dev, test, and main, feature, bugfix, hotfix, and release branches, selective releases, Bitbucket standards, and CI/CD for SSDT, SSIS, and SSRS.
AVAILABILITY
Remote, hybrid, on-site – tailored to the project.
Profile
Extensive project experience spanning database development, reporting and infrastructure.
I have been working in IT since 1994. My focus areas cover software development, database development, Data Warehouse, reporting, Business Intelligence and automation.
I combine development skills with operational awareness. Solutions should not only be functionally correct, but also maintainable, testable, performant, traceable and well-documented.
Specialization
Typical areas of deployment
Support for development, administration, performance analysis, migration, SQL Server auditing, user management and documentation.
Extension of DWH architectures, staging, core and data mart layers, Data Vault, Kimball, SSIS, Oracle, ODI, Informatica PowerCenter, dbt and data models.
Design and implementation of Power BI data models, DAX measures, SSRS reports, dashboards and Row-Level Security.
Implementation of data flows using Azure Data Factory, Synapse, Azure Storage, Databricks, Parquet/Delta and DevOps pipelines.
Introduction of version control, build pipelines, deployment processes and automated testing.
Building clear operational, architectural and development documentation for complex infrastructure, data and automation environments.
Technologies
Tools, platforms and methods.
Contact
Project enquiry
Do you need support with SQL Server, Data Warehouse, BI, Azure or automation?
Remote · Hybrid · Germany · EU · Brazil · Part-time · Full-time