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Szabolcs Hegyi

Available to hire

I’m Szabolcs Hegyi, a professional data engineer with over 15+ years of experience in designing and implementing large-scale enterprise data warehouses and data analytic solutions.

About

I’m Szabolcs Hegyi, a professional data engineer with over 15+ years of experience in designing and implementing large-scale enterprise data warehouses and data analytic solutions. I support data integration and ETL / ELT developments using multiple technologies in both on-premise and cloud environments. I have a strong analytical mindset and attention to detail, and I’m especially skilled in root cause analysis, query performance tuning, code and cost optimization. I’m always aiming for the highest level of automation and code reuse, embracing the DRY principle. I’m a real problem-solver, a Swiss Army knife in all areas of data engineering.

  • 22 years' experience
  • Joined January 2026

Languages

  • EnglishAdvanced
  • GermanBeginner

Industry experience

  • Software & Internet
  • Financial Services
  • Professional Services
  • Transportation & Logistics

More experts in Budapest, Hungary

Work experience· 6 roles

Senior Data Engineer, Database Analyst · ExxonMobil Hungary Ltd.Jan 2025 – Present · 1 yr 11 mos

Supporting the Railway Modernization project to provide analytical insights into ExxonMobil’s North-American railway data. Responsibilities include database/ELT development in Snowflake with dbt Cloud, near real-time data pipelines via Debezium/Kafka, and query and cost optimization.

Data Engineer, Database Developer and Administrator · Societe Generale - ALD Automotive Hungary Ltd.Jan 2019 – Dec 2024 · 6 yrs

Database management and administration (user management, deployment automation, backup/restore, storage management, performance monitoring for MSSQL Server 2019 with T-SQL). ETL tasks for data integration from various sources (SSIS, Data Factory, PowerShell). Automation/workflow development with Webcon BPM. Code standardization and best practices, query optimization, mentoring team members.

Datawarehouse Consultant, Database Developer · Erste Bank Hungary Ltd.Jan 2014 – Dec 2018 · 5 yrs

Development and support of the existing DWH architecture (Oracle 11g R2 with PL/SQL and OWB). Development of business mappings and transformations for daily DWH loading (fact/dimension). Performance enhancements and BI integration (SSRS, Power BI; SAP BO/BODS; Webcon BPM).

Datawarehouse and ETL Developer · GE Money Bank Hungary Ltd.Jan 2010 – Dec 2013 · 4 yrs
Business Intelligence and Datawarehouse Consultant · DSS Consulting Ltd.Jan 2005 – Dec 2009 · 5 yrs
Business Intelligence and Datawarehouse Developer · GE Hungary Plc.Jan 2004 – Dec 2005 · 2 yrs

Education

Master of Computer Science · Technical University of Budapest1995 – 2001

Certifications and awards· 6

SnowPro Core Certification2030 – 2026
Databricks Certified Data Engineer Professional2030 – 2026
Databricks Certified Associate Developer for Apache Spark - Python2030 – 2026
Microsoft Certified Azure Data Engineer Associate (DP-203)2030 – 2026

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