freiberufler Data Analyst| Supply Chain Analyst | BI Analyst | Business Analyst | Marketing Analyst | AI auf freelance.de

Data Analyst| Supply Chain Analyst | BI Analyst | Business Analyst | Marketing Analyst | AI

online
  • 30€/Stunde
  • 37154 Northeim
  • Weltweit
  • en  |  de
  • 13.03.2026

Kurzvorstellung

Data- / BI-Analyst mit Erfahrung in Datenanalyse, Business Intelligence und Supply-Chain-Analytics. Versiert in SQL, Python, Excel, Power BI und Tableau für Datenaufbereitung, Transformation, Visualisierung und Dashboard-Erstellung.

Qualifikationen

  • Advance Data Analyst (IBM)
  • Analytiker E-Business3 J.
  • Data Analyst1 J.
  • Data Analyst (IBM)
  • Data Science (IBM)
  • Marketing Analyst
  • Power Bi6 J.
  • SQL6 J.
  • Tableau
  • Versicherungsmathematik3 J.

Projekt‐ & Berufserfahrung

Data Analyst & Demand Planner
Midea Group, Eschborn
11/2025 – 2/2026 (4 Monate)
Manufacturer
Tätigkeitszeitraum

11/2025 – 2/2026

Tätigkeitsbeschreibung

• Analyzed large datasets and identified inventory and financial trends using Power BI, SQL and Excel, increased performance by 20%
• Collaborated with Finance, Product Management and IT teams to develop and maintain demand planning models and tools for decision making using SQL, Excel and Power BI
• Analyzed financial performance drivers using transactional and operational data
• Identified process improvements and supporting automation projects including use of AI where applicable to enhance supply chain efficiency and accuracy
• Created deal-oriented reports and dashboards, using Power BI, and analyze large datasets to identify trends

Eingesetzte Qualifikationen

Business Analysis, Business Analyst, Data Analyst, Microsoft Excel, Power Bi, SAP BW, SQL

Data Analyst (Festanstellung)
RAHFT, Berlin
1/2024 – 10/2025 (1 Jahr, 10 Monate)
Ecommerce
Tätigkeitszeitraum

1/2024 – 10/2025

Tätigkeitsbeschreibung

• Built and maintained Power BI dashboards and SQL queries to monitor sales performance, pipeline health, and KPIs
• Communicated insights through clear visualizations and concise data storytelling for business stakeholders
• Performed data quality audits, clean-up initiatives, and ongoing data hygiene checks
• Supported sales forecasting and performance tracking through structured reporting
• Collaborated cross-functionally to define success metrics and analytics requirements
• Documented analytics and CRM-related processes to improve consistency and transparency

Eingesetzte Qualifikationen

Microsoft Excel, Power Bi, Python, SQL

Data Analyst
Continental-ADC System GmbH, Lindau
5/2023 – 11/2023 (7 Monate)
Automobilindustrie
Tätigkeitszeitraum

5/2023 – 11/2023

Tätigkeitsbeschreibung

Developed interactive dashboards for sales performance tracking, resulting in 20% faster executive decision-making using Power BI
-Analyzed usage data to uncover trends and support strategic decisions.
-Documented processes to ensure knowledge sharing and continuity

Eingesetzte Qualifikationen

Data Analyst, Microsoft Excel, Microsoft SharePoint Server, Power Bi, SQL

Data Analyst | Business Support
Roche Diagnostic GmbH, Mannheim
5/2022 – 11/2022 (7 Monate)
Gesundheitswesen
Tätigkeitszeitraum

5/2022 – 11/2022

Tätigkeitsbeschreibung

-Improved decision-making speed by reducing reporting time by 40% through the automation of weekly dashboards using Power BI and Excel
-Developed an automated reporting framework that cuts manual reporting hours by over 50%, freeing up team capacity for strategic initiatives.
-Reduced delivery delays by 15% by analyzing logistics and supplier data.
-Built a performance dashboard that helped reduce operational downtime by 12%

Eingesetzte Qualifikationen

Reporting Analyst, Business Analysis, Data Analyst, Kundendienst, Microsoft Excel, Power Bi

Supply Chain Data Analyst (Festanstellung)
Pz Cussons Nigeria Plc, Lagos
2/2015 – 8/2018 (3 Jahre, 7 Monate)
Versorgungswirtschaft
Tätigkeitszeitraum

2/2015 – 8/2018

Tätigkeitsbeschreibung

-Analyzed sales, financial, and operational data to track revenue performance and inform strategic planning, contributing to more accurate forecasting

-Developed recurring management dashboards in Excel and Power BI, enhancing visibility into regional sales performance and improving reporting efficiency by 30%
-Collaborated with Sales and Finance teams to align KPIs and reporting frameworks, standardizing metrics and supporting data-driven decision-making across departments

Eingesetzte Qualifikationen

Analytiker E-Business, Datenanalyse, Marketing, Marktforschung, Microsoft Excel, Power Bi, Reporting Analyst, SQL, Versicherungsmathematik

Zertifikate

Digital Marketing
Udemy
2025
Google Ads
Udemy
2024
Data Science (IBM)
IBM
2023
Project Management (Google)
Google
2023
Advance Data Analyst (IBM)
IBM
2022
Data Analyst (IBM)
IBM
2022
Advance Google Analytics
Google
2020
Growth Hacking
Udemy
2020

Ausbildung

University of Göttingen
MSc Applied Mathematics
2024
Göttingen
University of Uyo
BSc Mathematics Education
2011
Uyo

Über mich

Data- / BI-Analyst mit Erfahrung in Datenanalyse, Business Intelligence und Supply-Chain-Analytics. Versiert in SQL, Python, Excel, Power BI und Tableau für Datenaufbereitung, Transformation, Visualisierung und Dashboard-Erstellung. Erfahrung in KPI-Reporting, Absatz- und Lageranalyse, Bedarfsplanung sowie Monitoring der Lieferkettenleistung. Vertraut mit ETL-Prozessen, Datenmodellierung, statistischer Analyse und Prognosetechniken. Starke analytische Fähigkeiten, Problemlösungskompetenz und Fähigkeit, Daten in umsetzbare Geschäftserkenntnisse zu übersetzen.

Weitere Kenntnisse

TECHNICAL SKILLS

Data & Querying
 SQL (complex joins, CTEs, window functions)
 Python (Pandas, NumPy, Automation, Forecasting models)
 Excel (Power Query, Pivot Tables, Power Pivot)
 Google Sheets

Business Intelligence & Reporting
 Power BI (DAX, M, Power Query, Data Modeling, Dashboard automation)
 Looker (Interactive reporting & marketing dashboards)

Marketing & CRM Platforms
 Salesforce
 CRM-HubSpot

Generative AI
 ChatGPT
 Claude
 Copilot

Persönliche Daten

Sprache
  • Englisch (Muttersprache)
  • Deutsch (Gut)
Reisebereitschaft
Weltweit
Arbeitserlaubnis
  • Europäische Union
Profilaufrufe
389
Berufserfahrung
11 Jahre und 1 Monat (seit 02/2015)
Projektleitung
20 Jahre

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