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Manfred RitschelMR

Manfred Ritschel

Freelance Data Analyst & BI Consultant

€760/day
Erding, DE
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Manfred

I am a freelance Data Analyst and Business Intelligence Consultant, focusing on structured analysis of existing data sets and deriving robust decision-making foundations for companies.

I support specialist and management teams in gaining clarity from existing data: through clean data models, comprehensible analyses, and targeted reports instead of tool over-engineering.

My main areas of work are data analysis and reporting (Python, SQL, Power BI), process automation, and the development of stable ETL pipelines and API integrations. The goal is to reduce manual effort and measurably improve decision-making processes.

I work in a structured, independent, and fully remote manner. Projects are clearly defined, results-oriented, and designed for sustainable use by internal teams.

Available immediately · Remote · Hourly rate €95 · Daily rate €760
  • German

    Native or bilingual

  • English

    Conversational

Remote only
Primarily works remotely

Experience

  • Selbstständig
    Management Consultant & Data Analyst – Trading System MANE
    LOGISTICS AND SUPPLY CHAIN
    July 2022 - Today (3 years and 11 months)
    Erding, Germany
    • Development of a modular platform for international trading processes (purchasing, logistics, payment processing)
    • Conception of a stable database architecture with PostgreSQL for high data integrity
    • Development of forecasting models for delivery times & price developments (Python, AI algorithms)
    • Automation of recurring workflows to reduce manual work
    • Design of an API structure for future extensions & integration of external systems
    • Initial concepts for blockchain-based transaction verification
    Python Artificial Intelligence SQL PostgreSQL Business Intelligence
  • Selbstständig
    Data Analyst – Moodle API Evaluation
    EDUCATION AND E-LEARNING
    February 2025 - May 2025 (3 months)
    Erding, Germany
    • Development of a Python application for automated connection to the Moodle API (800+ authentications).
    • Storage, cleaning & segmentation of data in an SQL database.
    • Analysis of communication patterns, e.g., response times in forums.
    • Visualization with Metabase (heatmaps, time series, bar charts).
    • Derivation of concrete measures: shift planning, reminder mechanisms & service level objectives.
    Python SQL PostgreSQL Business Intelligence API
  • Selbstständig
    Data Engineer – Moodle Data Automation
    EDUCATION AND E-LEARNING
    July 2024 - December 2024 (5 months)
    Erding, Germany
    • Complete automation of recurring Moodle data exports via REST API.
    • Development of Python scripts for data querying, storage, and standardization.
    • Export to CSV/XLSX with automatic filing system.
    • Implementation of cron jobs & monitoring, including email notifications in case of errors.
    • Result: drastically reduced error rate and a system usable in the long term without my direct involvement.
    Python API Business Intelligence SQL ETL

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Education

  • Data Analyst (IHK Certificate)
    IHK Academy Munich and Upper Bavaria
    2025
    Fundierte Ausbildung in Data Analytics mit Fokus auf ETL-Prozesse, Datenmodellierung und Datenbankarbeit. Praxisorientierte Schwerpunkte in Python, SQL, Machine Learning, Workflow Control, Business Intelligence und visueller Datenanalyse mit Power BI & Metabase.
  • DataCraft Certificate – Data Analyst (2,400 UE)
    DataCraft GmbH, Munich
    2025
    Weiterbildung mit Schwerpunkt auf Python, SQL, Datenbanken, API-Integration, Business Intelligence, Power BI, Data Storytelling und Machine Learning. Inhalte: ETL-Prozesse, Datenmodellierung, Dashboarding, Statistik, agile Methoden.

Skill set

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