Experience

Enterprise analytics,
engagement by engagement.

A detailed record of client engagements and in-house roles across mobility, financial services, manufacturing, technology, and healthcare.

2018 — present

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Mercedes-Benz Tech Innovation

Deutsche Bank

Roche Diagnostics

Deutsche Bahn

Lead MS Fabric and Power BI Consultant

Microsoft FabricPower BITableauSQLPython

Migrating complex Tableau dashboards to Power BI, modernizing visual design and improving report performance.
Redesigning Tableau data models as optimized Power BI semantic models following VertiPaq best practices.
Architecting and implementing Lakehouse solutions in Microsoft Fabric using Medallion Architecture and metadata-driven ingestion pipelines.
Building and orchestrating Microsoft Fabric Data Pipelines and PySpark notebooks for large-scale analytics workloads.
Designing and delivering Power BI reports applying modern UI/UX and data storytelling principles.
Working within an Agile SAFe framework across multiple product teams.

Deutsche Leasing

Lead Analytics Engineering and Tableau Consultant

TableauSQLPythondbt

Acted as technical lead for team members, guiding best practices in data modelling, testing, and dashboard design aligned with industry standards.
Partnered closely with stakeholders and business analysts to translate requirements into scalable analytical solutions.
Designed and delivered Tableau dashboards distributed to 400+ manager-level stakeholders across the organization.
Designed custom SQL data models to optimize Tableau dashboard performance within the constraints of the backend data architecture.
Prototyped improved data architecture on top of a Data Vault 2.0 warehouse to support long-term scalability.
Implemented dbt workflows for data quality testing and systematic debugging of data pipeline issues.

Cocomore / Samsung

Lead Power BI Migration Consultant

Power BITableaudbtSQLPython

Planned and architected the end-to-end migration of complex ETL processes, data models, and dashboards from Tableau to Power BI.
Led knowledge-transfer sessions on Power BI data architecture best practices for project team members.
Introduced dbt to replace a heavy Tableau Prep-based ETL pipeline, significantly improving maintainability and scalability.
Redesigned data models for reusability and performance at scale, adopting star schema and optimized DAX patterns.

WIRTGEN GROUP

Lead Power BI Consultant

Power BIPython

Standardized report templates and enforced design best practices across the Power BI environment, improving consistency and user experience.
Delivered end-user training programs for Power BI ranging from beginner to advanced level.
Developed Python scripts to automate data-refresh workflows, reducing manual intervention.
Redesigned data models for scalability, enabling a single semantic model to serve multiple reports.
Resolved complex DAX calculation issues and introduced modern DAX patterns—including variables, iterator functions, and optimized CALCULATE usage—to improve performance and maintainability.
Implemented cross-report filter-sharing strategies to improve navigation and analytical continuity.

INNIO Group

Lead Tableau Consultant

TableauPower BISQLPython

Led the migration of Power BI reports to Tableau, ensuring feature parity and improved performance.
Built advanced Tableau dashboards applying UX best practices and data storytelling principles.
Designed custom SQL data models to optimize extract performance and overcome data-source limitations.
Refactored and modernized legacy reports, improving visual clarity and analytical depth.
Collaborated with stakeholders to identify business requirements and deliver tailored analytical solutions.

Deutsche Bahn

Lead Power BI and Tableau Consultant

TableauPower BISQLPython

Optimized Power BI and Tableau data models for Big Data workloads processing 3B+ records, including DirectQuery connections to Amazon Redshift.
Developed complex geospatial map visualizations in both Power BI and Tableau for operational analytics.
Led the migration of Tableau reports to Power BI while maintaining analytical integrity across platforms.
Mentored team members on Power BI and Tableau best practices, accelerating team capability.
Implemented CI/CD workflows for Power BI and Tableau using GitHub, enabling collaborative development.
Developed Python scripts for Tableau Hyper extract generation and data-pipeline automation.
Built automated test suites for BI reports using Playwright, improving release confidence.
Operated within an Agile SAFe framework across multiple product teams.

Mercedes-Benz Tech Innovation

Senior Business Intelligence Developer

TableauDatabricksSQLPython

Optimized Tableau dashboards for large-scale data sources with 100M+ records, significantly reducing load times.
Developed embedded Tableau reports integrated into a custom internal data platform.
Built custom Tableau data extracts using Python and the Hyper API for improved extract performance.
Maintained a CI/CD workflow in GitHub for BI report versioning and deployment.
Integrated Tableau with Databricks as a data source for scalable, cloud-based analytics.
Worked in an Agile team alongside backend developers and data scientists to deliver analytics features.

Deutsche Bank

Senior Business Intelligence Developer

TableauSQLPython

Delivered end-to-end BI dashboard development in close collaboration with subject-matter experts and stakeholders to gather requirements and validate outputs.
Built ETL processes using Pentaho and Power Query to integrate multiple data sources in support of BI reporting.
Designed Row-Level Security data models to enforce data governance and comply with GDPR regulations.
Developed ad-hoc analytical reports to support day-to-day business decision-making.
Operated within an Agile development team, contributing to sprint planning and delivery cycles.

Roche Diagnostics

Data Analyst in Project Controls

TableauExcelPower QueryVBA

Developed Tableau dashboards providing cash-flow analysis, forecast trends, and portfolio KPIs for senior-management decision-making.
Built a Power Query ETL process to consolidate multiple data sources in support of BI reporting.
Supported monthly cost reporting in Excel across individual projects and portfolios.
Assisted project-risk analysis using Monte Carlo simulations in Excel to estimate contingency budgets.
Worked with SAP to support bookkeeping and resolve contractor workflow issues.

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