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Diana HristovaDH

Diana Hristova

Supermalter

BI Developer / Analyst

On-demand
7 projects
Brussels, BE
8-15 years

Average response time: 1 hour

About Diana

More then nine years of experience in QlikView and QlikSense; QlikView Designer and Developer; Qlik Sense; NPrinting; QV Source; QlikView Deployment Framework; ETL; Knowledge in design of BI dashboards
  • Bulgarian

    Native or bilingual

  • English

    Fluent

  • French

    Fluent

Remote only
Primarily works remotely

Experience

  • European Commission
    Business Intelligence Analyst
    January 2018 - Today (8 years and 5 months)
  • BNP PARIBAS
    BI Consultant (Freelance)
    May 2017 - February 2018 (9 months)
    Brussels, Belgium
    Organisation Description: BNP Paribas Fortis, the no. 1 bank in Belgium, offers the market a comprehensive package of financial services for private and professional clients, wealthy individuals, corporate clients, public entities and financial institutions. Today, it is organised around 4 core activities: Retail & Private Banking, Corporate & Public Banking, Corporate & Investment Banking and Asset Management. The division Group Functions supports these core activities. Responsibilities:
    • Link between the business teams and the datawarehousing team
    • Participate in full development lifecycle from system design, development, testing to implementation following Agile Methodology
    • Ensure all Qlik development is in line with best practices, principals and standards defined by Banking Analytics team and complies with the spirit of the firm's overall data control standards
    • Developed Qlikview scripts to load the transformations and make enhancements to the user interface of the desktop application
    • Participated in the developing/enhancement of star schema dimensional data model
    • Experience in Qlikview Set Analysis
    • Created User Interface and prepared layouts for the system by using Qlikview
    • Split the huge tables into multiple QVDs, so that only the recent ones needed to be refreshed for data accuracy
    • Strong understanding in creating Dashboards for the required KPI's in Qlikview
    • Support Monthly "business as usual" tasks(Performed different tasks like repeat tasks, reload tasks and distribution tasks)
    • Responsible for Issues and changes management
    • Understand the various business requirements. Your functional analyses satisfy our business needs and our BI reference architecture
    • Work together with the development team
    • Define strategies for tests, performing them as required
    • Support the business during the User Acceptance Testing phase
  • BICS
    Qlikview developer (Freelance)
    November 2015 - May 2017 (1 year and 6 months)
    Brussels, Belgium
    Organisation description: BICS is a leading international communications enabler, one of the key global voice carriers and the leading provider of mobile data services worldwide. Role responsibilities:
    • Extracted the data from various data sources such as databases, Excel documents and CSV files, transforming the data into standard format and load the data so that it is available for analyzing and creating reports.
    • Develop BI System architecture in Big Data environment (Qlikview Direct Discovery , Jethro);
    • Strong understanding in creating Dashboards for the required KPI's in Qlikview.
    • Developed Qlikview scripts to load the transformations and make enhancements to the user interface of the desktop application.
    • Application processed tables with over 20 million records.
    • Eliminated synthetic keys using QVD concatenation and/or Qualify based on the nature of synthetic keys.
    • Created Dashboards style of reports using Qlikview components like List Box, Slider, Buttons, Charts and Bookmarks.
    • Involved in performance tuning of dashboards to improve the response time for the users accessing the documents via access point by reducing the size of the QVW
    • Created batch scripts to process the data periodically as per the business requirements.
    • Split the huge tables into multiple QVDs, so that only the recent ones needed to be refreshed for data accuracy.
    • Performed different tasks like repeat tasks, reload tasks and distribution tasks using the Qlikview Publisher.
    • Experience in scripting Qlikview Set Analysis.
    • Created User Interface and prepared layouts for the system by using Qlikview.
    • Participated in the developing/enhancement of star schema dimensional data model.

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Education

  • Master of Finance
    University of National and World Economy
    2014
    Master of International finance, International Finance
  • Bachelor of Science
    University of National and World Economy
    2014
    Bachelor of Science (BS), business Informatics

Skill set (30)

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