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Business Intelligence Experts in Cologne

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Hire experts who turn raw data into dashboards, KPI reporting, and decision-ready analysis across BI stacks like Power BI, Tableau, and SQL-based data models. Get fast, precise matching with vetted, available freelancers.

Meet FRATCH Experts in Cologne, who have recently used Business Intelligence

Verified expert

Patrick Lerner

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Management Consultant

Düsseldorf
Patrick Lerner

Last position:

Management Consultant at Self-employed

  • Advising primarily mid-sized companies on growth and transformation topics
  • Developing business models, positioning, and strategies, including implementation plans and KPI roadmaps
Verified expert

Alexander Bromberg

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Senior Data Engineer

Köln
Alexander Bromberg

Last position:

Senior Data Engineer at RWE AG

Architected and maintained data products for renewable energy operations, covering wind turbine, grid-meter, and weather data. Built scalable ETL/ELT pipelines in Azure Databricks using Delta Lake (bronze/silver/gold layers) and processed data in various formats, including structured and semi-structured data. Contributed to a data quality framework supporting table and column documentation, outlier detection, and completeness metrics across all datasets within a data product. In addition, implemented a DORA KPI Databricks dashboard used across all data products. Optimized CI/CD processes in Azure DevOps to streamline deployment across development, test, and production environments.

Technology stack: Azure Databricks, PySpark, SQL, Delta Lake, Unity Catalog, Azure Data Lake, APIs, Dremio, Azure DevOps, YAML, Git, Databricks Workflows, Application Insights, Terraform, OpenAI API, Codex, LLM-assisted workflows

Verified expert

Beshr Alnirabieh

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Data & Business Analyst | Business Intelligence | AI & Automation

Bonn
Beshr Alnirabieh

Last position:

System Administrator – HealthCare IT & Data Infrastructure at Cellitinnen Hospital Association

  • Integration of medical modalities (including ultrasound) into the existing IT infrastructure (DICOM, HL7) – put into operation within the planned timeframe.
  • Administration and optimization of PACS systems for efficient archiving and distribution of radiology image data across multiple locations.
  • Ensuring consistent data quality and seamless interoperability in data exchange between HIS, RIS, and PACS.
  • Close collaboration with medical staff to analyze and digitally optimize clinical workflows.
  • Requirements management and test coordination when implementing clinical requirements in complex IT structures.
Verified expert

Rodion Orlinskiy

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Founder, CTO & Managing Director

Bonn
Rodion Orlinskiy

Last position:

Founder, CTO & Managing Director at MYNR Product Mining GmbH

  • Responsible for the architecture and development of an AI-native SaaS platform for industrial product portfolio management.
  • Designed the modern data platform architecture on Azure for scalable analytics and enterprise data integration.
  • Built enterprise data ingestion and transformation pipelines across complex industrial system landscapes.
  • Developed graph-based representations of product structures and dependencies for analytical reasoning.
  • Designed and implemented an agentic AI framework for AI-supported decision workflows.
  • Built scalable analytical microservices and integrated reporting through modern BI technologies.
  • Coordinated backend, AI, and frontend development across the MYNR platform stack.
Verified expert

Jonas Haid

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Senior Performance Marketing Manager

Köln
Jonas Haid

Last position:

Senior Performance Marketing Manager at HDI Versicherung AG

  • Developed data-driven performance strategies and managed cross-functional agency teams.
  • Led KPI forecasting, budgeting, and implemented scalable creative solutions.
  • Linked creative insights with analytics to increase marketing efficiency.
  • Developed inspiring campaigns based on brand strategy and data-driven insights.
  • Performed budget planning, forecasting, and full KPI accountability.
  • Led and executed an agency pitch for performance marketing.
Verified expert

Fahad Razzaq

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AI Platform Engineer | MLOps | Kubernetes | Cloud Infrastructure

Bonn
Fahad Razzaq

Last position:

Data Science – Operations Optimization at Netto-marken

Project: Digitalization of Warehouse Processes | Building a Data Analytics Platform.

  • Built a web-based workforce allocation system that digitized daily shift planning by matching worker expertise to operational zones, replacing manual coordination with a structured workflow adopted across the site, saving supervisors time on daily planning.
  • Developed a real-time operational visibility dashboard giving supervisors a live view of task throughput and outstanding workload across warehouse zones throughout the day, helping reduce overtime and idle labour costs.
  • Developed a slotting optimization solution to improve warehouse picking efficiency and reduce picking time per order, working directly with operations teams from concept through production deployment.

Technologies used: Python, Django, PostgreSQL, Pandas, NumPy, HTML, Java, JavaScript, Docker, Kubernetes, AWS, Power BI, GitHub Actions CI/CD, GitOps, Claude, OpenAI

Verified expert

Yaroslav Shargorodskiy

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Senior Low-Code Consultant

Cologne
Yaroslav Shargorodskiy

Last position:

Senior Low-Code Consultant at Freelancer

  • Structured analysis and evaluation of business processes

  • Gathering, documenting, and prioritizing requirements

  • Creating business-friendly and technically executable process models

  • Use of Camunda tools

  • Deriving requirements and interfaces from BPMN diagrams

  • Coordination with stakeholders and business units

  • Translating business requirements into technical solution designs

  • Implementing efficient and tailored applications

  • Systematic collection, analysis, and documentation of requirements

  • Prioritizing and validating requirements in close collaboration with stakeholders

  • Alignment between business and development to ensure shared objectives

  • Creating use cases, user stories, and acceptance criteria

  • Continuous requirements and change management throughout the project lifecycle

  • Define project goals and create project plans

  • Delegate tasks and monitor project progress

  • Monitor budgets and inform stakeholders

  • Mendix: Architecture, development, and maintenance of custom applications (Microflows, Domain Model, Security, XPath)

  • Modeling Mendix workflows for process optimization

  • Develop scalable apps with Mendix including REST/SOAP integration with SAP, SQL, Azure & SharePoint

  • UI design for Mendix using Atlas UI, Fluent UI, HTML, CSS, JavaScript

  • Develop web & mobile apps with Mendix using agile methods (Scrum, Kanban)

  • Implement business logic with Mendix Microflows and Nanoflows

  • Performance optimization and architecture improvements for Mendix applications

  • Conduct Mendix training

  • Create technical documentation and best practices for Mendix

  • Coaching and mentoring for low-code development with Mendix

Verified expert

Johannes Wagner

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Senior Data Engineer

Köln
Johannes Wagner

Last position:

Senior Data Engineer at Soorce GmbH

  • Analysis of business requirements
  • Integration of different data sources such as ERP systems, production systems, and external data sources
  • Implementation of load processes and processing logic with MSSQL
  • Data modeling and optimization of data models
  • Setting up data quality management incl. data profiling with dynamic programming
  • Support in designing and establishing data governance, especially in the areas of data quality management and data protection
  • Support in developing BI solutions with Tableau to help decision-making processes
Verified expert

Jens Hagemeyer-Lee

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#52 Test Manager in Safety-Critical Infrastructure

Köln
Jens Hagemeyer-Lee

Last position:

#52 Test Manager in Safety-Critical Infrastructure at Telecommunications Company

  • Network elements, network, operational and operator-related systems
  • Supporting around 20 different products (managed agile)
  • Requirements analysis and management (functional and non-functional)
  • Test concept and planning (scope, test phases, effort, schedule, resources, organization, etc.)
  • Aligning approach with clients and service providers
  • Managing and assisting in creation of test cases for system, integration and end-to-end tests
  • Guiding and supporting test execution
  • Defect management and planning bug fixes with external providers
  • Preparing and facilitating workshops
  • Regular reporting and creating automated test reports
  • Further development of agile testing methodology and configuration of supporting tools
  • Conceptual support in developing a quality seal for rating product and service quality of internal and external providers
  • Requirements engineering based on ISO/IEC 25010, Scrum, SaFE
  • BMC Remedy, Atlassian Confluence, Atlassian Jira (including plugins Xray, Structure), Microsoft Office (incl. Visio), Obsidian, doxis document management system, Gitlab, Obsidian
Verified expert

Manuel Schneider

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Apro-IT – Make IT A Project!

Köln
Manuel Schneider

Last position:

Project Manager at Univention

Industry: digital sovereignty, public sector

Content:

  • Project steering (teams: consulting, development, testing, deployment/operations)

Products and standards:

  • Jira, Confluence, Asana, Miro, Mural
  • Open Source, Keycloak, Open Xchange, ownCloud
Verified expert

Armen Markarian

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Interim CTO | Transformation Leader

Odenthal
Armen Markarian

Last position:

CTO/CPO Platform & Technology at Green Mobility Holding

  • Overall responsibility for platform transformation across ERP, CRM, PIM, and AI-driven process automation
  • ERP transformation: Implementing and migrating to Microsoft Dynamics 365 Business Central
  • CRM & growth stack: Implementing HubSpot as the central CRM and a platform for lead and marketing automation
  • Product data & commerce enablement: Introducing an ePIM to scale category management and digital commerce processes
  • AI-driven process automation: Designing and implementing agent-based AI workflows to automate processes in business services, accounting, tender management, and marketing
  • Building a scalable platform organization including product development, DevOps, UX, cloud engineering, and corporate IT
  • Implementing modern product and portfolio governance (e.g., OKRs, portfolio boards, value-based roadmaps) to manage technology-driven initiatives
  • Harmonizing heterogeneous system landscapes and transforming them into a modular, scalable platform architecture (ERP, CRM, PIM, integrated customer journeys)
  • Coaching and developing product owners, tech leads, delivery managers, and UX teams to build a scalable product organization
Verified expert

Stefan Schröder

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Interim Director Finance / CFO

Langenfeld (Rheinland)
Stefan Schröder

Last position:

Interim Director Finance / CFO at Hemovent GmbH

  • Transition of processes from garage-style to series production
  • Establishment of financial processes including monthly reporting to the Chinese parent company
  • Development of long-term planning (5/10 years) and budgets for 2024 and 2025
  • Ensuring sufficient financing
  • Creation and implementation of a restructuring plan with over 60% reduction in staff and costs
Verified expert

Andreas Lorich

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Senior Consultant

Bergisch Gladbach
Andreas Lorich

Last position:

Senior Consultant at Diconium Strategy / CARIAD

  • Built a reporting structure with group brands, taking development platforms and global requirements into account; stakeholder management
  • Identified needed KPIs, data sources and user requirements
  • Developed, aligned and operationally implemented KPIs, aligned milestone plans
  • Collected requirements for a heterogeneous tool landscape, interviewed stakeholders
  • Managed implementation of Power BI dashboards, ensured technical operation
  • Presented results at board level, moderated workshops, mitigated project risks
Verified expert

Andreas Jänecke

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Certified AI Expert Trainee

Hürth
Andreas Jänecke

Last position:

Certified AI Expert Trainee at Scaly Academy

  • Further training to become a certified AI expert in the company
  • Fundamentals of AI
  • AI tools
  • Prompt engineering (creation of professional prompts)
  • (Advanced) Process automation with AI and make.com
  • AI in marketing and sales
  • Legally compliant use of AI in companies
  • Intelligent knowledge management
  • AI in customer management
  • Developing AI guidelines for the company
  • AI integration into the company

Discover over 15,000 top freelancers

Statistics of experts using Business Intelligence

Aggregated from the professional profiles of matched freelancers.

Experience

20 years (Germany: 19 years)

Position duration

2.1 years (Germany: 3.1 years)

Positions per freelancer

12 (Germany: 11)

Top business areas

Information Technology, Business Intelligence, Project Management

Top industries

Information Technology, Professional Services, Manufacturing

Certification focus areas

Information Technology, Project Management, Product Development

Bachelor's degree or higher

89% (Germany: 94%)

Master's degree or higher

57% (Germany: 65%)

Doctorate

6% (Germany: 9%)

Certifications per freelancer

4 (Germany: 3)

Most common languages

English, German, French

Speak two or more languages

100% (Germany: 98%)

Based on our profile pool as of 30 Aug 2026.

About the technology

What BI does

Business Intelligence turns operational data into clear reporting, dashboards, and analysis for faster decisions. It helps teams track sales, finance, supply chain, and customer activity in one view. Strong BI work connects business questions to reliable data and simple outputs people actually use.

Typical outputs

  • Executive dashboards and KPI views
  • Automated reporting and self-service analysis
  • Data models, semantic layers, and metric definitions
  • Drill-down views for finance, sales, and operations
  • Ad hoc analysis for planning and forecasting

Tools and stack

BI work usually sits on top of SQL, data warehouses, and ETL or ELT pipelines. Common environments include Power BI, Tableau, Looker, and Qlik, plus Excel for final analysis and sharing. Good specialists know how to shape source data, define business logic, and keep reports consistent.

When teams need help

Companies bring in freelance BI experts when reporting is spread across spreadsheets, teams disagree on numbers, or a dashboard project needs to move fast. In Cologne, this often fits teams that work with logistics, media, retail, and industrial operations. Freelancers can join on-site for workshops or work remotely with clear data access.

What strong experts do

Strong BI professionals do more than build visuals. They ask how each metric is used, find data gaps, and keep definitions stable across reports. They also document logic well, so finance, operations, and management can trust the same numbers.

Good project fit

Business Intelligence is a good fit when a company needs a reporting layer that is clean, maintainable, and easy to hand over. It also matters when a team is choosing between BI tools or redesigning legacy reporting after growth, mergers, or new data sources. The best results come from experts who can bridge business needs and data reality.

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Frequently asked questions

The facts hiring teams ask for most often when it comes to Business Intelligence.

Business Intelligence covers reporting, dashboards, KPI tracking, and analysis that help teams make decisions from data. It often includes data modeling, metric definitions, and refresh logic, not just visual charts. In many projects, BI also means making existing numbers easier to trust and easier to use.

Business Intelligence is the wider practice, while Power BI and Tableau are tools used to deliver it. BI can also include Looker, Qlik, SQL-based models, and warehouse reporting. A good expert chooses the tool that fits the data stack and the users, not the other way around.

A strong BI specialist is useful when reporting is slow, inconsistent, or spread across too many files and tools. Companies also bring in outside help when they need a new dashboard layer, a clean metric model, or support for a reporting migration. If leaders ask the same questions every week and get different answers, BI work is usually overdue.

Business Intelligence work usually sits close to SQL, data warehousing, and ETL or ELT processes. Many experts also know data modeling, dashboard design, and business analysis. If the stack includes Power BI, Tableau, or Looker, they should understand how the tool connects to the source data and refresh flow.

The right Business Intelligence depth depends on the scope. A simple dashboard update may need one focused specialist, while a reporting redesign or metric model needs someone who can handle data logic, stakeholder alignment, and handover. The more business-critical the numbers, the more important proven BI experience becomes.

Yes, BI work is often done remotely if the expert has secure access to the data sources, documentation, and stakeholders. For Cologne-based teams, on-site time can still help at the start of a project, especially for workshops and requirements. A hybrid setup is common when reports affect several departments.

A good Business Intelligence professional explains metric definitions clearly, keeps dashboards readable, and avoids hidden logic. Look for examples of stable reporting, good documentation, and clean handover habits. The best sign is that business users rely on the reports without constant clarification.

Business Intelligence focuses on reporting, monitoring, and structured analysis of what is happening now and what happened before. Business analytics can go further into prediction, experimentation, and deeper statistical work. In many teams the terms overlap, so a good expert should know where the reporting layer ends and where advanced analysis begins.

Of the freelancers in Cologne, Germany who have used Business Intelligence in their recent projects, 89% hold at least a Bachelor's degree, 57% hold at least a Master's degree, and 6% hold a doctorate.

On average, freelancers in Cologne, Germany who have used Business Intelligence in their recent projects have 20 years of professional experience, with a single engagement typically lasting around 2.1 years.

The most common languages among freelancers in Cologne, Germany who have used Business Intelligence in their recent projects are English (100%), German (98%), and French (30%).

The most common industries among freelancers in Cologne, Germany who have used Business Intelligence in their recent projects are Information Technology (73%), Professional Services (60%), and Manufacturing (43%).

The most common business areas among freelancers in Cologne, Germany who have used Business Intelligence in their recent projects are Information Technology (88%), Business Intelligence (83%), and Project Management (73%).

Main locations of FRATCH Experts, who have recently used Business Intelligence

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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Philipp Thomaschewski

FRATCH CEO

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