Justina Kmiecik-Data Management & Governance Manager

Project, Strategic Consulting – building the Data Strategy and Data Governance Policy for the German branch, client (private bank Julius Bär, headquarters Zurich), March 2026 – present

• Design and negotiation of the data strategy with key stakeholders, including obtaining board sign-off (strategic consulting) – in this context, regulatory advice on data regulations in the EU and specifically for Germany. The data strategy includes: Data Lifecycle Management: data capture, data storage, data usage, data retention policy, data quality incident management
• Definition of milestones and technical feasibility for implementing TOM for the data strategy, data quality checks, metrics, and a metadata inventory to ensure the bank’s compliance with DORA, BCBS239, and MaRisk requirements.

Core project data change, client: (ING Bank, Frankfurt am Main), March – December 2025

• Concept development and solution design for new end-to-end processes including technical interfaces
• Definition of synchronization logic and data flows between legacy and target systems (decommissioning of legacy systems)
• Analysis and validation of data models
• Stakeholder communication with product owners, feature engineers, UX designers, and operational teams for decision-making
• Analytics and impact assessments, e.g. to assess downstream effects and regulatory requirements
• Documentation and comments on technical and business requirements to support implementation in agile squads

Project digitalization of a user group, client: (ING Bank, Frankfurt am Main), as Interim Product Owner, Jan 2025 – present

• Co-shaping key decisions on data architecture and process logic in the context of historized data and user login functionality
• Development of business solution concepts for migration to the target system, including system integration and data flows
• Support with analytics and impact analyses, especially regarding the ability to provide information to law enforcement authorities
• Active coordination with stakeholders from different squads to support decision-making and ensure regulatory requirements are met
• Creation of test scenarios for operational teams and backend systems in the area of API management using Postman and Bruno.

• Co-developed data governance frameworks, linking directly to strategic data management practices (BCBS-239 framework)
• Collected requirements, coordinated, created and presented data quality KPIs during bi-weekly Data Committee Meetings for senior management
• Defined data roles and coordinated vendor selection for data security and data retention
• Modernized BI with data lakes and DWH modeling, managed technical documentation and testing
• Led user acceptance testing and automated data processes with integration expertise in SWIFT and Xentis
• Developed ETL solutions and BI self-service tools using T-SQL (SSMS) and SAP BO

• Conducted detailed data quality checks and database management for Eurostat’s LUCAS 2015 project (Land Use and Land Cover Data)
• Ensured data accuracy and consistency within large-scale environmental datasets
• Managed data validation processes to support reliable reporting and analysis