Data Solutions Architect / Business Intelligence Analyst / PYTHON / VBA / SQL / Cognos / Visual Cron
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Solutions & Deployment Data ArchitectNielseniq Nov 2019 - Mar 2024Warszawa, Woj. Mazowieckie, PolskaAs 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 -
Business Intelligence AnalystCarlson Wagonlit Ecenter Polska Mar 2018 - Oct 2019Warszawa, Woj. Mazowieckie, PolskaAs 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
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Data AnalystCarlson Wagonlit Ecenter Polska Nov 2016 - Feb 2018Warszawa, Woj. Mazowieckie, PolskaAs 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
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Senior Program Management Support, PolandCarlson Wagonlit Travel Jan 2013 - Oct 2016Warszawa, Woj. Mazowieckie, PolskaAs 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. -
Information Delivery Specialist, EmeaCarlson Wagonlit Travel Apr 2008 - Dec 2012Warszawa, 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
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Ekonomiczna Analiza Danych W Programie Microsoft Excel I Języku Programowania Vba -
Zespół Szkół Nr 1 W Piasecznie10
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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