Iwona K.

Business Intelligence Developer

Iwona is an accomplished Business Intelligence Developer with over five years of experience turning complex data into clear, actionable insights. She specializes in Power BI, Tableau, SQL, and cloud technologies including SAP HANA, Azure, and Microsoft Fabric, delivering data-driven solutions for clients across the US and Europe.

At Cisco, Iwona developed scalable dashboards and automated ETL pipelines, enhancing operational efficiency and enabling smarter, data-informed decisions. During her tenure at Huawei, she optimized Power BI solutions for improved performance and contributed to Agile initiatives through timely and actionable analytics.

Recognized for her adaptability, analytical mindset, and strategic problem-solving, Iwona consistently bridges the gap between technical execution and business objectives, ensuring every solution drives measurable impact.

Main expertise

  • SQL
    SQL 5 years
  • DAX 5 years
  • Microsoft Power BI
    Microsoft Power BI 5 years

Other skills

  • VBA
    VBA 5 years
  • Python
    Python 2 years
  • Azure Data Factory
    Azure Data Factory 2 years
Iwona

Iwona K.

Poland

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Selected experience

Employment

  • MS BI Developer

    Cisco - 4 years 2 months

    • Collected, cleaned, and modeled data from diverse sources (Snowflake, SAP HANA, SQL Server, Teradata, APIs, flat files) to build scalable BI solutions.
    • Designed and delivered interactive dashboards in Power BI and Tableau to support decision-making across sales and internal operations.
    • Developed and maintained ETL pipelines using Azure Data Factory and Microsoft Fabric, ensuring reliable data flow and seamless integration.
    • Automated recurring reporting tasks with Power Automate, increasing efficiency and reducing manual effort.
    • Monitored BI reports, troubleshooted issues, and implemented updates based on evolving business requirements.

    Technologies:

    • Technologies:
    • Python Python
    • SQL SQL
    • Microsoft Power BI Microsoft Power BI
    • Azure Data Factory Azure Data Factory
    • Jira Jira
    • Snowflake Snowflake
    • Tableau Tableau
    • MS 365 Power Apps MS 365 Power Apps
    • Microsoft Fabric Microsoft Fabric
    • SAP S/4HANA SAP S/4HANA
    • DAX

  • Data Analyst / Power BI Developer

    Huawei R&D - 2 years

    • Collaborated with business clients to troubleshoot device issues and align software features with business requirements.
    • Designed and maintained Power BI dashboards and reports to track KPIs, monitor team performance, and support decision-making in an Agile environment.
    • Developed VBA macros and Excel-based tools to streamline task management and optimize team allocation across Testing and Development teams.
    • Analyzed customer feedback and diagnostic data to identify and resolve critical software crashes prior to global rollouts.
    • Tracked trends and anomalies in reported software issues to guide product improvements.
    • Conducted large-scale data analysis on beta-phase software to pinpoint performance bottlenecks and improve stability.

    Technologies:

    • Technologies:
    • SQL SQL
    • Microsoft Power BI Microsoft Power BI
    • Jira Jira
    • VBA VBA
    • DAX
    • Microsoft Excel Microsoft Excel

  • Insights Analyst

    Philip Morris International - 7 months

    • Designed and implemented research studies, analyzed results, and presented key findings to stakeholders.
    • Conducted large-scale data extraction and analysis focused on strategic priorities.
    • Synthesized insights from multiple studies to enhance consumer and market understanding.
    • Translated insights into actionable recommendations, strengthening product and market strategies.
    • Gathered and applied knowledge, learnings, and best practices from other markets to inform research and strategy.

    Technologies:

    • Technologies:
    • SQL SQL
    • VBA VBA
    • Microsoft Excel Microsoft Excel

Education

  • MSc.Spatial Information Systems

    Warsaw University of Technology · 2016 - 2017

  • BSc.Geodesy and Cartography

    Warsaw University of Technology · 2012 - 2016

  • BSc.Geodesy and Cartography

    Warsaw University of Technology · 2012 - 2016

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