Rafał Kołakowski

Rafał Kołakowski Email and Phone Number

Data Solutions Architect / Business Intelligence Analyst / PYTHON / VBA / SQL / Cognos / Visual Cron
Rafał Kołakowski's Location
Warsaw, Mazowieckie, Poland, Poland
About Rafał Kołakowski

Data Solutions Architect / Business Intelligence Analyst / PYTHON / VBA / SQL / Cognos / Visual Cron

Rafał Kołakowski's Current Company Details

Data Solutions Architect / Business Intelligence Analyst / PYTHON / VBA / SQL / Cognos / Visual Cron
Rafał Kołakowski Work Experience Details
  • Nielseniq
    Solutions & Deployment Data Architect
    Nielseniq Nov 2019 - Mar 2024
    Warszawa, Woj. Mazowieckie, Polska
    As a Data Solutions Architect, I performed feasibility checks, built technical documentation for developers, and tested data converter applications. I worked on multiple projects, collaborating with teams worldwide, consistently delivering the best solutions for customers in a timely manner.- Design customized client data solutions to implement FMCG data into Azure Data Lake- Gather requirements, defining & designing new ETL processes- Conduct a feasibility study on the client's data- Indirect management of application and ETL developers- Define test cases, iterative testing of the delivered applicationTechnology: Python, SQL, Excel, Access, Visual Cron automation, MS Azure
  • Carlson Wagonlit Ecenter Polska
    Business Intelligence Analyst
    Carlson Wagonlit Ecenter Polska Mar 2018 - Oct 2019
    Warszawa, Woj. Mazowieckie, Polska
    As a Business Intelligence Analyst I supported a key client by facilitating the monitoring and optimization of business travel costs, as well as enforcing corporate travel policies.- Build, verify and automate deliveries like reports, dashboards, visualizations and summaries- Analyze data to uncover trends, patterns, and insights that can inform business decisions- Monitor key performance indicators (KPIs) and metrics to track the performance of client’s travel behaviorsTechnology: IBM Cognos, Cognos SQL, Excel, Access, VBA, Power BI
  • Carlson Wagonlit Ecenter Polska
    Data Analyst
    Carlson Wagonlit Ecenter Polska Nov 2016 - Feb 2018
    Warszawa, Woj. Mazowieckie, Polska
    As a Data Analyst my main task was to look for transactional errors and adjust the QC tool for better performance.- Analyze of transactional data, perform in-depth data analysis, build VBA macros for automationTechnology: Excel, Access, VBA, Oracle SQL Developer, CWT Glory
  • Carlson Wagonlit Travel
    Senior Program Management Support, Poland
    Carlson Wagonlit Travel Jan 2013 - Oct 2016
    Warszawa, Woj. Mazowieckie, Polska
    As a Project Management Support Specialist, I orchestrated daily workflow within the team, generated reports and summaries, conducted analysis, quality checks, and provided operational support to Key Account Managers.- Prepare periodic scheduled or ad-hoc settlements, including management fees, bulk transaction fees, commissions, and overrides returns.- Generate ad-hoc reports and settlements as requested by Senior Management or Program Managers.- Prepare business reviews for the clients- Cordinate CWT tools training for clients in collaboration with other departments.- Generate SLA and KPI reports for local and global clients based on requests or scheduled intervals.- Lead new client implementations and reimplementation efforts for existing clients.- Organize and coordinate day-to-day workflow within the team. - Manage smaller local and global clients, ensuring effective communication and satisfaction.- Prepare key communications, including external client CWT Newsletter.- Conduct analysis, quality checks, and ensure accuracy in all tasks.- Build or assist in building new report models on Access and Excel to enhance the capabilities of existing data models.
  • Carlson Wagonlit Travel
    Information Delivery Specialist, Emea
    Carlson Wagonlit Travel Apr 2008 - Dec 2012
    Warszawa, Woj. Mazowieckie, Polska
    - Execute and oversee the implementation and maintenance of client setups within the internal data quality tool Glory, specifically focusing on central and eastern Europe.- Provide support and actively manage the resolution of transactional errors by fostering collaboration with internal and external stakeholders.- Conduct thorough analysis of recurring errors to identify and address root causes, ensuring sustained operational improvements.- Perform comprehensive data analysis on existing datasets, aiming to enhance overall accuracy and operational efficiency.

Rafał Kołakowski Education Details

Frequently Asked Questions about Rafał Kołakowski

What is Rafał Kołakowski's role at the current company?

Rafał Kołakowski's current role is Data Solutions Architect / Business Intelligence Analyst / PYTHON / VBA / SQL / Cognos / Visual Cron.

What schools did Rafał Kołakowski attend?

Rafał Kołakowski attended Uniwersytet Warszawski, Wyższa Szkoła Turystyki I Języków Obcych W Warszawie, Zespół Szkół Nr 1 W Piasecznie.

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