Artur Mielniczek

Artur mielniczek

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location of Artur MielniczekGdynia, Pomorskie, Poland
Phone number of Artur Mielniczek+91 xxxx xxxxx
Followers of Artur Mielniczek528 followers
  • Timeline

    Jan 2012 - Dec 2012

    Advisory Consultant

    Creo Consulting sp. z o. o.
    May 2013 - Apr 2014

    Data Analyst at Investment Service Team

    Franklin Templeton Investments
    Poznań
    Apr 2014 - May 2015

    Internship at Financial Accounting Advisory

    EY
    Nov 2015 - Sept 2017

    Data Analyst Graduate Management Program

    NIVEA Polska
    Oct 2017 - Jun 2021

    Analytics Engineer

    Allegro.pl
    Poznań, Woj. Wielkopolskie, Polska
    Jun 2021 - Sept 2023

    Senior Data Analyst

    Brainly
    Current Company
    Sept 2023 - now

    Data Engineer

    smartpatient
  • About me

    Data Engineer | AWS | Python | Building Scalable Data Pipelines

  • Education

    • Politechnika poznańska

      2017 - 2018
      Postgraduate studies data warehouses and data analysis
    • Uniwersytet ekonomiczny w poznaniu

      2013 - 2015
      Master's degree finance and accounting
    • Uniwersytet ekonomiczny w poznaniu

      2009 - 2013
      Bachelor's degree investment and corporate financial strategies
  • Experience

    • Creo consulting sp. z o. o.

      Jan 2012 - Dec 2012
      Advisory consultant

      - creating reports and market research- analysis of public procurement offers - tasks related with process of electricity sales cost optimization- creating business decision trees for business process- acquiring new customers

    • Franklin templeton investments

      May 2013 - Apr 2014

      • Maintaining and developing internal interactive reports • Managing portfolio request process and access database • Developing the database functionality• Cooperation with tech support to improve process and tools used • Communication with representatives of custodian Banks• Prepare and write- off procedures for processes• Participating in operation of establishing Mutual Funds- design of internal database with fund related information and files

      • Data Analyst at Investment Service Team

        Jan 2014 - Apr 2014
      • Internship at Global Trade Services

        May 2013 - Jan 2014
    • Ey

      Apr 2014 - May 2015
      Internship at financial accounting advisory

      • Preparation of financial statements of EY clients.• Consultations regarding the compliance of EY's accounting policies with the requirements of International Financial Reporting Standards.• Creating detailed descriptions for transactions in terms of their impact on financial results.

    • Nivea polska

      Nov 2015 - Sept 2017
      Data analyst graduate management program

      • Preparation of sales reports for the company's Management Board• Cooperation with the sales department in setting negotiation terms• Co-creating of dynamic sales planning tool• Establishment of the Business Review process with the sales department• Daily sales reporting • Product promotion planning• Customer analysys

    • Allegro.pl

      Oct 2017 - Jun 2021

      •Designed and implemented data models to support efficient analyticsand reporting•Managed and processed large-scale data using distributed dataprocessing frameworks with Apache Hadoop•Developed Tableau dashboards that visualize key performanceindicators•Utilised Apache Airflow to automate data ingestion and transformationprocesses with custom python DAG files • Collaborated with business stakeholders to understand their needsand translate them into data and reporting requirements• Developed and maintained forecasting models to predict business outcomes and trends• Prepared business data analysis to identify sales patters, build newmarkets and impact revenue

      • Analytics Engineer

        Aug 2019 - Jun 2021
      • Business Data Analyst

        Oct 2017 - Aug 2019
    • Brainly

      Jun 2021 - Sept 2023

      • Conducted in-depth data and funnel analysis to identify trends,patterns, and anomalies, leading to actionable insights for businessstakeholders• Designed data pipelines with Fivetran, DBT and pandas to preprocessand transform raw data into usable formats.• Led data analysis projects from conception to completion, managingtimelines, resources, and stakeholder expectations.• Coordinated Amplitude Analytics integration, including clickstream datatransfer to Snowflake from GCP• Designed, executed, and analyzed A/B tests to evaluate the impact ofchanges to products, marketing campaigns, or user experiences. Show less

      • Senior Data Analyst

        Feb 2022 - Sept 2023
      • Data Analyst

        Jun 2021 - Feb 2022
    • Smartpatient

      Sept 2023 - now
      Data engineer

      Develop and maintain data pipelines using AWS services such as S3, State Machines, Glue, and Athena to streamline data ingestion and processing. Manage and maintain a data lake on AWS S3, ensuring proper data organization, partitioning, and access controls to facilitate advanced analytics. Utilise DBT to transform raw data into meaningful insights, enabling data-driven decision-making and reporting for stakeholders. Create and optimise data models to support efficient storage, retrieval, and analysis of medical data, enhancing the overall data architecture. Show less

  • Licenses & Certifications