Sandra Rudowicz

Sandra Rudowicz is currently a Data Scientist at Qbiz. Sandra has previous experience working as a Junior Data Scientist and Data Analyst at Pairview Limited from September 2018 to January 2020.

Sandra's responsibilities at Pairview Limited included collaborating with stakeholders, clients and cross-functional teams to gather, transform, analyse and deliver business data analytics requirements. Sandra also developed automated and dynamic dashboards using Tableau, Power BI and MS Excel to track key performing metrics and risk indicators across multiply dimensions including regions, products, subcategories, categories and demographics.

Sandra consolidated, manipulated, summarized and aggregated data in databases, data warehouses and other repositories using SQL syntaxes. Sandra also identified the next product customers are likely to purchase based on historical transactional data, MBA. Sandra built regional and channel sales forecasts In Python to support budgeting and sales planning.

Sandra carried out extensive data analysis to understand the drivers of sales volume, revenue shift from retail to digital, decline in store sales and customer demographic changes. Sandra implemented machine learning algorithms such as Random Forest, Logistic Regression, Gradient Boosting, Neural Network to exploit large dataset, establish customer behavioural patterns and predict churn.

Sandra generated actionable insights using predictive modelling, customer segmentation, profiling analysis, exploratory analysis and data mining, presenting in well-designed Power Point presentation to stakeholders. Sandra also carried out competitor analysis using multiple techniques to understand client's performance, strengths and weaknesses versus competitors. Sandra interpreted and communicated actionable insights to both non-technical and technical audiences.

Sandra Rudowicz has an engineer's degree in management and production engineering from the West Pomeranian University of Technology in Szczecin.