Halyna Oros Email & Phone Number

Tallinn, Harjumaa, Estonia

Tallinn, Harjumaa, Estonia

- led set up of BI tooling, onboarded business users, developed company reporting and set up real time alerting;- developing company-wide KPI tree which helps to build focus on impact and allignment;- supporting product development by analysing product funnel and cycle time. Data insights and reporting allowed to optimize the business processes and reduce cycle time by 20%; - supporting marketing email campaign optimization. Conducted experiments resulting in 2 - 5% uplift in click through rates;- automating regulatory, compliance and financial reporting;

Tallinn, Harjumaa, Estonia

- supported engineering and product teams in strategic product development and identifying system/process improvements;- developed ETL and lead the technical implementation of tax reporting projects that brought close to 1.5% in annual cost savings;- lead operational team planning of a 3 analysts;

Tallinn, Harjumaa, Estonia

- took full ownership of the billing service data and BI reporting (ensured quality and accuracy of billing data, designed dashboards and developed data models in Looker, contributed in defining company-wide data definitions and financial DWH development);- developed actionable billing system KPI's and data reconciliations, reducing the rate of error and late sent invoices and 0.27% annual cost savings ;- implemented fiscalization system monitoring and alerting, resulting in monthly cost saving;- developed debt ageing reports and collection KPI's that improved the accuracy of debt provisions and was used to reduce company credit risk level;

Tallinn, Harjumaa, Estonia

- built from scratch ERP data parsing pipeline in Python that helped to set financial controls and reduce the accounting entries error rate; - automated the cost allocation process using Python and Google Sheet integrations, improving the accuracy of financial forecasts

Kiel, Schleswig-Holstein, Germany

- Data collection and validation;- Data cleaning and selection;- Graphical and statistical analysis;- Assistance in potential output (GDP) estimation.

Tallinn, Harjumaa, Estonia

- Targeted offers design: working with the business side on the customer value maximization and development of the new product offers;- Requirement analysis and development of the automated offers using the IBM Unica marketing managment tool;- Working with large volumes of customers’ data, various database objects in Teradata and SPSS

Irpen', Kyiv, Ukraine

- Helping out fellow senior stuff in collective working papers, independent researches;- Data gathering and processing;- Assistance in editing and publication of working papers and policy notes;- Statistical analysis, codding and assistance with writing up;

Master'S Degree, Quantitative Economics

Advanced Studies Program In International Economic Policy Research, International Economic Policy Research

Master'S Degree, Financial Managment