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For data warehouse design, semantic layers, dashboard architecture, and reliable reporting across SAP, Power BI, and Tableau. Get fast, precise matching with vetted, available freelancers.
About the role
BI architecture scope
A BI Architect designs the reporting and analytics layer that turns raw data into trusted business insight. The work covers source analysis, data models, semantic layers, KPI definitions, and the rules that keep reports consistent across teams. Common deliverables include:
- BI and data warehouse architecture
- dimensional and analytical data models
- dashboard and reporting standards
- governance rules for metrics and access
- rollout plans for new BI platforms
Core skills A strong BI Architect understands both business needs and technical constraints. They work across data modelling, ETL design, performance tuning, security, and stakeholder alignment. They also know how to translate finance, sales, supply chain, or operations questions into a reporting structure that people can actually use.
- data warehouse and lakehouse design
- SQL, dimensional modelling, and metadata management
- Power BI, Tableau, Qlik, or SAP Analytics tools
- integration patterns for ERP and CRM sources
- governance, documentation, and handover discipline
When to bring one in Companies usually hire a freelance BI Architect when reporting has grown messy, tools are disconnected, or a new platform is being introduced. They are also useful when a team needs a clean design before a migration, a consolidation after an acquisition, or a review of KPI logic across departments. In Germany, this often comes up in manufacturing, industrial groups, logistics, retail, and finance, where local process knowledge and clear collaboration with German-speaking stakeholders can matter.
What strong work looks like The best BI Architects do more than draw diagrams. They ask hard questions about data ownership, refresh cycles, business definitions, and user adoption. They produce structures that are stable, documented, and easy for BI developers, data engineers, and analysts to extend.
- clear target architecture with practical decisions
- aligned metric definitions across departments
- reusable data models instead of one-off fixes
- reporting that performs well and scales cleanly
- documentation that helps teams maintain the solution
Tools and specializations BI Architects often work with SQL databases, cloud data platforms, ETL or ELT tooling, and BI front ends. Depending on the stack, they may focus on Microsoft environments, SAP landscapes, Oracle-based systems, or cloud-first analytics architectures. Some are especially strong in governance and master data; others in enterprise reporting, self-service BI, or migration projects.
How freelancers help A freelance BI Architect is a good fit when you need senior input without adding a permanent layer to the team. They can assess the current setup, define the target state, support implementation, and guide internal staff through the handover. This works well for short, focused projects, but also for part-time support when the architecture needs ongoing oversight.
Meet FRATCH BI Architects
Oleg Orlov
Senior Software Architect C#/.NET | BI, Data & AI Integration
Last position:
Senior Software Developer / BI Integration Developer Power BI, C# at Telecommunications
Embedded Analytics & AI-assisted BI
Design and development of an integrated analytics solution based on ASP.NET Core, Power BI Embedded, and LLM services to provide contextual business information.
Development of an AI agent with Function/Tool Calling for secure orchestration of REST APIs, SQL data sources, and technical services within defined business processes.
Build-up of automated BI workflows including workspace management, deployment processes, and scheduled refresh via the Power BI REST API.
Implementation of secure service-to-service communication with Microsoft Entra ID and service principal, as well as integration into existing enterprise system landscapes.
Technologies: ASP.NET Core, C#/.NET, Power BI Embedded, Power BI REST API, LLM API, AI Agents, Function/Tool Calling, Entra ID
Olaf Taesch
BI Architect in a Kanban Team
Last position:
BI Architect in a Kanban Team at Gulp / Randstad for HHLA
- Creation of automated tests.
- Extension of the functionality of the enterprise BI data warehouse.
- Design and development in SQL and PL/SQL.
- Data modeling as well as performance measurement and tuning.
- Creation of and contribution to user stories and concepts.
- Technical environment: Windows, Linux.
- Database: Oracle 19c incl. DWH, CDB, PDB.
- Tools: Confluence, CVS, Eclipse, Git, GitLab, Jira, N4, PL/SQL, SQL Developer, utPLSQL.
Marco Poloni
Senior Siebel CRM and BI Architect
Last position:
Senior Siebel CRM and BI Architect
- Maintenance and enhancement of a Siebel CRM Service & Marketing implementation (Siebel 23.1, OpenText, OBIEE, Informatica).
Werner Streithorst
Freelance BI Architecture & Consulting
Last position:
Freelance BI Architecture & Consulting at Streithorst Consulting
- Different engagements specializing in BI/Data Warehouse
- Follow-up implementation and rollout including data integration, data modelling and report design with SAP BO
Ulaş Öncül
Data Modeler, Data Architect
Last position:
Freelance Business Intelligence Data Modeler at Vodafone Turkey
- Developed an in-depth understanding of the business processes and data in the corporation
- Assisted in maintaining the corporate data
Germo Görtz
BI Developer
Last position:
BI Developer at Rhenus Logistics
- Business intelligence development in the logistics sector.
- Migrating existing reporting and analysis solutions from Cognos to Microsoft BI.
- Using Microsoft SQL Server, SSAS, Power BI, and other Microsoft BI platform components.
Benjamin Schweizer
Senior SAP BI Planning Solution Architect
Last position:
Senior SAP BI Planning Solution Architect at Freelancer
Felix Siljaew
Solution Architect Consultant BI
Last position:
Solution Architect Consultant BI at Cobicon GmbH
Discover over 15,000 top freelancers
BI Architects statistics
Aggregated from the professional profiles of matched freelancers.
Experience
25 years
Position duration
3.5 years
Positions per freelancer
17
Top business areas
Business Intelligence, Information Technology, Project Management
Top industries
Information Technology, Banking and Finance, Manufacturing
Certification focus areas
Business Intelligence, Customer Service, Information Technology
Bachelor's degree or higher
100%
Master's degree or higher
100%
Doctorate
20%
Certifications per freelancer
1
Most common languages
German, English, Russian
Speak two or more languages
100%
Daily Rate Distribution
The chart shows how the daily rates of freelancers in this role are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows how many freelancers charge within that range. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
Average rates for BI Architects & Seniority distribution
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
Frequently Asked Questions
Looking for clear information? Everything important about FRATCH is here
A BI Architect defines how reporting and analytics should be structured so the business gets reliable data and consistent KPIs. They shape the target architecture, data models, semantic layer, and governance rules, then work with data engineers and BI developers to make it real. Their job is to reduce confusion, rework, and reporting drift.
Hire a BI Architect when the problem is the overall design, not just building dashboards. If data sources are duplicated, definitions conflict, or a new BI platform needs structure, architecture comes first. A BI Developer focuses more on building reports and visuals within an already defined setup.
A strong BI Architect needs solid data modelling, SQL, and a deep understanding of BI platforms and data flows. Just as important are governance, documentation, and the ability to align business stakeholders on shared definitions. Without that mix, the architecture tends to look good on paper but fail in daily use.
The exact stack depends on the client, but a BI Architect often works with SQL-based databases, cloud data platforms, ETL or ELT tools, and front-end tools such as Power BI, Tableau, Qlik, or SAP Analytics. Experience with ERP and CRM source systems is valuable too. In enterprise settings, they also need to understand access control, metadata, and integration patterns.
Yes, because a BI Architect can step in for a defined phase and bring senior design focus without a long internal hiring process. That is useful for platform migrations, KPI standardisation, or cleaning up a fragmented reporting landscape. Freelance support also helps when the internal team is busy with delivery and needs architectural direction.
The title BI Architect usually focuses on the reporting and business intelligence layer: models, semantic structures, KPIs, and dashboard consumption. A data architect may cover a broader data platform, including ingestion and storage across more systems. In some companies, the titles overlap, so the real difference is the scope of the assignment.
A BI Architect can often work remotely for design, documentation, and review work, especially when the data stack and stakeholder access are well organised. On-site time helps when the project needs workshops, process mapping, or close work with business teams in Germany. Many assignments use a mix of both.
Look for clear thinking, not just tool names. A good BI Architect can explain trade-offs, define a stable target architecture, and show how their work improved consistency, performance, or maintainability. They should also communicate well with both technical teams and business users, because that is where many BI projects succeed or fail.
The average hourly rate for BI Architects in Germany is 106 €, which corresponds to a daily rate of about 849 € based on an 8-hour working day.
Of the freelancers working as BI Architects in Germany, 100% hold at least a Bachelor's degree, 100% hold at least a Master's degree, and 20% hold a doctorate.
On average, freelancers working as BI Architects in Germany have 25 years of professional experience, with a single engagement typically lasting around 3.5 years.
The most common languages among freelancers working as BI Architects in Germany are German (100%), English (100%), and Russian (25%).
The most common industries among freelancers working as BI Architects in Germany are Information Technology (88%), Banking and Finance (63%), and Manufacturing (63%).
The most common business areas among freelancers working as BI Architects in Germany are Business Intelligence (100%), Information Technology (100%), and Project Management (88%).
FRATCH BI Architects main locations
Our freelancers and interim experts are at home across the DACH region — available on-site in the major business hubs or fully remote. Choose a location to discover matched specialists, local market insights and up-to-date availability.
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