Ewa Pietka

• Transform complex raw datasets into structured, business-ready data and reports using SQL / HeidiSQL for Finance and business reporting. • Execute daily ETL processes, including data extraction, transformation, data structuring and server loading. • Develop and maintain reliable reporting solutions based on data from multiple source systems. • Translate complex business requirements into scalable reporting solutions, ensuring data accuracy, consistency and compliance. • Perform data validation, reconcilia

Designed and optimized SQL-based financial reports using HeidiSQL. Analyzed complex business requirements to support strategic reporting and decision-making. Improved internal processes by collaborating with IT, Finance, and Product Owners. Managed financial queries using EasyRedMine and Jira ticketing systems.

• Developed, tracked and monitored ~800 KPIs across key banking operations, improving process transparency, operational efficiency and regulatory reporting. • Designed and automated management dashboards and quarterly executive reporting using advanced MS Excel/VBA. • Conducted deep-dive business process analysis (BPR) to identify bottlenecks, compliance risks and automation opportunities. • Supported bank merger initiatives by analyzing legacy customer datasets, validating migration schemas and mitigating

• Extracted and consolidated critical telecom traffic and network data from multiple secure databases in a highly decentralized environment. • Delivered ~30 daily mission-critical compliance reports with 100% accuracy under strict deadlines for state courts, law enforcement and regulatory bodies. • Defined technical reporting requirements and data scope for implementation of the mandatory EU vehicle safety initiative (eCall).

- Gathered data and issued reports on all public roads in the country - Verified correctness of data collected from different sources - Produced reports and ad-hook analysis - Cooperated with regional authorities in the field of roads management

- Engaged in National Census project in Poland - Involved in a project to develop a set of metadata for a statistical database