Data Strategy
Aligning data initiatives with business objectives — from architecture evaluation to organisational implementation.
- Architecture Evaluation & Roadmap
- Organisational Setup
- Holistic Insight-to-Action Thinking
from source to insight100% remote
Timo Calvo Bernal
Data Architect · Data Engineer · Power BI Developer
I help companies turn raw data into actionable insights — using cutting-edge Microsoft Azure technology, clear architecture, and sustainable knowledge transfer.
- Data Strategy
- Data Warehousing
- Advanced Analytics
- Visualisation
- Training & Enablement
About meData is my language.
Data is my language.
Insight is my goal.
As a freelance Data Architect and Power BI Developer I help companies worldwide build and optimise their data infrastructure. My focus is the Microsoft Analytics Stack — from Azure Data Factory and Synapse Analytics through to Power BI and Microsoft Fabric.
I think holistically: from data strategy through technical implementation to visualisation and team enablement.From Backend to Frontend. From Source to Insight.
Tech Stack
Microsoft Analytics · Expert Level
Specialised in the full Microsoft data stack — from data pipeline to dashboard.
Azure Data FactoryData Integration & Orchestration
Azure Synapse AnalyticsUnified Analytics Platform
Azure DatabricksApache Spark & ML
Power BIDashboards & Reports
Microsoft FabricEnd-to-End Analytics☁️ Azure Services
Azure Data FactoryAzure Synapse AnalyticsAzure DatabricksAzure DevOpsAzure Key VaultSharePoint Online
📊 Business Intelligence
Power BIMicrosoft FabricDAXPower Query (M)Paginated ReportsRow-Level Security
⚙️ Data Engineering
SQLPythonPySparkETL / ELTData ModelingREST APIs
🏗️ Architecture
Data LakehouseData WarehouseMedallion ArchitectureData StrategySAP Data Extraction
Services
What I do for you
End-to-end data solutions — from strategy to training.
Data Warehousing
Production-grade data warehouses and lakehouse architectures as the single point of truth for fast, reliable decisions.
- Business Requirements Engineering
- ETL/ELT Pipeline Development
- Medallion & Lakehouse Architecture
Advanced Analytics
From descriptive to prescriptive analytics — including AI/ML integration with measurable return on investment.
- Predictive Modeling & Forecasting
- AI/ML Integration
- Process Automation
Visualisation
Strategic data presentation via Power BI — from report design to dynamic distribution aligned with organisational standards.
- Power BI Dashboard Design
- Dynamic & Paginated Reports
- Custom Visualisation Standards
Training & Enablement
Sustainable data literacy and tool adoption through tailored workshops for stakeholders and end users.
- Key-User Programmes
- End-User Training
- Knowledge Management & Documentation
My Process
How I work
Clear structure from day one — so projects are delivered on time, on budget, and with measurable value.
Schritt 1: Analysis & Requirements
Deep understanding of business requirements, existing infrastructure, and strategic goals — before a single line of code is written.
Schritt 2: Architecture & Design
Designing the optimal data architecture: scalable, maintainable, cost-efficient — always grounded in technical feasibility.
Schritt 3: Development & Migration
Implementing pipelines, data models, and dashboards — with proactive monitoring and clear quality standards.
Schritt 4: Handover & Training
Complete documentation, structured handover, and training for the internal team to ensure long-term self-sufficiency.
Reference Projects
Selected Projects
Real architectures. Measurable results.
FeaturedManufacturing
Modern Azure Lakehouse Architecture
Development of a scalable lakehouse platform on Azure Synapse Analytics for daily SAP data extraction across Finance, Production, and Sales.
Daily extraction in under 1.5 hours · Running costs < €250/month · Legacy SSIS & on-premises replaced
Azure Synapse AnalyticsDatabricksAzure DevOpsAzure Key VaultSharePoint Online
Finance
Power BI Environment Optimisation
Consolidation of a complex Power BI Pro environment by eliminating redundancies and simplifying data transformation logic.
Reduced dataset redundancy · Faster refresh cycles · Dynamic hierarchical RLS
Power BI ProDataflowsRow-Level SecurityREST APIs
References
What clients say
Timo modernised our entire data infrastructure. Thanks to his work we now have real-time visibility across production, sales, and finance — at minimal cost.
M. WeberHead of Operations, Manufacturing Company
The Power BI dashboards have transformed our reporting. What used to take hours is now available in seconds — and the data is finally reliable.
S. KochCFO, Mid-Market Company
Latest on LinkedIn
Recent Posts
Insights from practice — Data Engineering, Azure Architecture, and Power BI tips.
Contact
Ready to make your data speak?
Choose the channel that works for you — a quick enquiry or a detailed project brief.