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Aruna WinklerAW

Aruna Winkler

Business Intelligence Developer - Power BI

€700/day
Berlin, DE
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Aruna

What do I offer?

  • Development according to Design Thinking
  • Creation of Power BI reports
  • Conception of semantic models
  • Design of Design Guidelines
  • Management of reports

What distinguishes me?


Design Thinking – true user-centricity
In the beginning, I consciously invest more time in requirements gathering. I want to understand:

What tasks does the user have? In what context do they work? What challenges currently exist?

Then, we develop together in short iterations to create a precisely fitting report.

Answers within 24 hours
Fast, predictable communication is essential. Lengthy projects cost time, slow down the business department, and often lead to dissatisfaction. I respond within 24 hours and consciously keep projects moving.

360-degree perspective
I consider the entire environment of a report: data collection, process logic, business definitions, field and KPI definitions, quality risks, and potential process weaknesses. This comprehensive view often leads to important insights and optimization opportunities early on.

Reliability
I work transparently, structured, and with clear agreements. My clients always know where the project stands, what steps are next, and what decisions are required.

Versatile perspectives
My background combines business, statistics, and IT. I work with SQL, Python, Power BI, Power Apps, and Power Automate – and consciously choose the technologies that make the most sense for the respective use case. The focus is always on the best possible solution, not on a tool.

Efficient templates
I have been working with templates since the beginning of my career. They enable a clear, brand-compliant design and significantly accelerate development. Through modularly structured components, I can iterate faster while ensuring high quality.
  • German

    Native or bilingual

  • English

    Fluent

  • Chinese

    Conversational

Remote only
Primarily works remotely

Experience

  • kc.art GmbH
    Business Intelligence Developer;
    AUTOMOBILE
    May 2024 - Today (2 years and 1 month)
    Berlin, Germany
    • Collection and analysis of reporting requirements according to Design Thinking principles to ensure user orientation.
    • Development of semantic models for merging heterogeneous data sources and creating a consistent data basis.
    • Creation of interactive Power BI reports for data-driven decision support in the automotive trade.
    • Setup and maintenance of Power BI workspaces as well as management of the reporting landscape for multiple clients.
    Microsoft Power BI Design Thinking Data Visualization Data Modeling ETL
  • Kreativstorm
    Business Analyst
    September 2023 - October 2023 (1 month)
    • Analysis of the internal and external corporate environment of a startup to derive strategic recommendations for action.
    • Creation of reports and visualizations to support business decisions.
    data-visualization Microsoft Excel Microsoft Powerpoint
  • Freier Mitarbeiter
    Business Process Analyst;
    October 2022 - August 2023 (10 months)
    • Recording and documentation of process requirements for 28 B2B business processes.
    • Development of standardized process descriptions to improve transparency and efficiency in operational collaboration.
    Atlassian Confluence Process Analysis Documentation

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Education

  • Applied Linguistics, MA
    National Sun-Yat Sen University (Taiwan)
    Nicht abgeschlossen - Kurse in Python (A+), Multivariate Statistik (A+), Wahrscheinlichkeitstheorie (A+) und Mathematische Ökonomie (A-)
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    Duale Hochschule Baden-Württemberg
    2022
    3 Jahre ein Tutorium in Statistik gegeben; Abschluss mit 1,3 und Bachelorarbeit mit 1,1

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