Balázs G.-Data Governance & Data Engineering Leader
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Experience
Data Governance Lead
AndersenLab
- Assessed current data landscape and created to-be architecture for the Cloud Data Platform at OTP Bank Slovenia
- Prepared content for presentations, case studies and white papers supporting sales activities
- Produced data project estimations
- Assessment phase of Cloud Data Platform transformation for OTP Bank Slovenia
Technologies: Databricks, Ataccama, Collibra, Azure DevOps
Data Governance and QA Lead
Wizz Air Hungary
- Governed processes and policies and created a Data Quality framework for transformation to a new Modern Data Platform (Data Lakehouse in Databricks)
- Created the Data Governance strategy and drove its adoption; defined data domains and established forums for stewards and data owners
- Implemented Data Governance tooling (OpenMetadata, Ataccama, Databricks Unity Catalog)
- Supported governance efforts for GDPR, NIS 2 and the EU AI Act
- Led the Data Governance team (6 Data Governance experts, 2 QA engineers)
- Modern Data Platform transformation
- Master Data Management for Finance/Controlling and Airline Operations
- AI Governance
Technologies: OpenMetadata, Ataccama, Databricks, Azure DevOps
BI Developers Team Lead (Airline Operations)
Wizz Air Hungary
- Translated the informational needs of Airline Operations departments into BI projects
- Data Engineering and BI development in Databricks, MSSQL and PowerBI
- Provided guidance and architectural direction to the team (3 BI developers, 3 data engineers)
- Headcount forecast dashboards
- Ground Operations self-service data mart
- API/PNR messaging system
Technologies: Azure Synapse, Azure Data Factory, Databricks, PySpark, Python, MSSQL, SSRS, SSIS, MDS, Power BI, Azure DevOps
BI Expert
Allianz Technology SE
- Simplified reporting architecture (MicroStrategy)
- Automated deployment for database objects (Python, Jenkins)
- Re-architected the Fraud Analytics application backend, including data model and ETL (PL/SQL)
- Fraud Analytics (Business Rule Management System, Reporting)
Technologies: Oracle 12c (Exadata), MicroStrategy, Python, HTML, JavaScript, Jenkins, SVN
BI Consultant and Team Leader
Pactera Technology Hungary Kft.
- Initiated proposals and proofs of concept
- Built data integration solutions
- Directed and guided the team (4 members)
- Delivered ETL and BI development, translated business needs into technical solutions
- Brilliant Factory pegging reports (GE Oil & Gas)
- BI transformation — Crystal Reports to OBIEE (GE Oil & Gas)
- ODI remediation (Kering)
Technologies: Oracle Data Integrator, Oracle 11g, MSSQL, DB2, Python, SAP Crystal Reports, OBIEE 11g, SAP Business Objects, MicroStrategy, Tableau, SVN
Data Warehouse and Business Intelligence Developer
Eisys Kft.
- Designed banking data marts, developed ETLs and designed reports
- Gathered requirements together with business users
- CRM data mart (OTP Bank)
- Call-center operator performance metrics (OTP Bank)
- Credit risk data mart and reports (OTP Bank)
Technologies: PL/SQL, Oracle 10g/11g, OBIEE 10g/11g, Oracle Data Warehouse Builder, PL/SQL Developer, TOAD
Overnight Data Warehouse Support
Eisys Kft.
- Supervised overnight ETL loading
- Optimized SQL code
System Administrator Intern
Fortuna Manager Kft. (Óbuda-Újlak Group)
- Maintained hardware, software and network infrastructure
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Information Technology, Banking and Finance, Tourism, Insurance, Energy, and Fashion.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology, Business Intelligence, and Quality Assurance.
Summary
Data Governance and Data Engineering leader with 15+ years of experience across banking, aviation, insurance and manufacturing sectors. Specializes in building data governance frameworks, leading cross-functional teams, and delivering cloud data platform transformations (Azure, Databricks). Strong track record combining hands-on technical delivery with team leadership and stakeholder management.
Skills
- Commitment — Strong Dedication To High-Level Professional Work
- Systems Thinking — Applying A System-Level Approach For Effectiveness In Distributed, International Teams
- Communication — Strong Interpersonal Skills For Working Onsite With Clients And Translating Between Business Users And Developers
Languages
Education
Eötvös Loránd University
Master of Business Administration · Business Administration · Budapest, Hungary
Óbuda University, John von Neumann Faculty of Informatics
Engineering Information Technologist · Enterprise Resource Planning · Budapest, Hungary
Statistics
Experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Balázs is based in Budapest, Hungary.
Balázs speaks the following languages: Hungarian (Native), English (Advanced).
Balázs has at least 19 years of experience. During this time, Balázs has worked in at least 8 different roles and for 6 different companies. The average length of individual experience is 2 years and 4 months. Note that Balázs may not have shared all experience and actually has more experience.
Based on recent experience, Balázs would be well-suited for roles such as: Data Governance Lead, Data Governance and QA Lead, BI Developers Team Lead (Airline Operations).
Balázs's most recent position is Data Governance Lead at AndersenLab.
In recent years, Balázs has worked for AndersenLab and Wizz Air Hungary.
Balázs is most experienced in industries like Information Technology, Banking and Finance, and Tourism. Balázs also has some experience in Insurance, Energy, and Fashion.
Balázs is most experienced in business areas like Information Technology, Business Intelligence, and Quality Assurance.
Balázs has recently worked in industries like Tourism and Banking and Finance.
Balázs has recently worked in business areas like Information Technology, Business Intelligence, and Quality Assurance.
Balázs holds a Master in Business Administration from Eötvös Loránd University and a Bachelor in Enterprise Resource Planning from Óbuda University, John von Neumann Faculty of Informatics.
The availability of Balázs needs to be confirmed.
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Calculated based on our freelancers’ daily rates as of 6 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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