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Hi, I’m Adi Neagu. I’m a seasoned IT professional with over 25 years of experience in data management, data integration, and business intelligence. I’ve led and contributed to complex data warehouse and big data initiatives, spanning database administration, data architecture, and automation. I enjoy solving tough data problems, designing scalable ELT/ETL pipelines, and optimizing cloud and on‑prem environments for performance and cost efficiency. In my roles, I’ve partnered with banks and enterprises to implement data lakes, migrate legacy systems to modern platforms like Oracle to BigQuery, and enable secure data sharing across organizations. I’m passionate about mentoring teammates, sharing best practices in ODI, Hadoop, and data governance, and helping teams turn data into actionable insights.…Hi, I’m Adi Neagu. I’m a seasoned IT professional with over 25 years of experience in data management, data integration, and business intelligence. I’ve led and contributed to complex data warehouse and big data initiatives, spanning database administration, data architecture, and automation. I enjoy solving tough data problems, designing scalable ELT/ETL pipelines, and optimizing cloud and on‑prem environments for performance and cost efficiency. In my roles, I’ve partnered with banks and enterprises to implement data lakes, migrate legacy systems to modern platforms like Oracle to BigQuery, and enable secure data sharing across organizations. I’m passionate about mentoring teammates, sharing best practices in ODI, Hadoop, and data governance, and helping teams turn data into actionable insights.

Adi Neagu

Data Scientist, Full Stack Developer, Back-End Developer, +1

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Hi, I’m Adi Neagu. I’m a seasoned IT professional with over 25 years of experience in data management, data integration, and business intelligence. I’ve led and contributed to complex data warehouse and big data initiatives, spanning database administration, data architecture, and automation. I enjoy solving tough data problems, designing scalable ELT/ETL pipelines, and optimizing cloud and on‑prem environments for performance and cost efficiency. In my roles, I’ve partnered with banks and enterprises to implement data lakes, migrate legacy systems to modern platforms like Oracle to BigQuery, and enable secure data sharing across organizations. I’m passionate about mentoring teammates, sharing best practices in ODI, Hadoop, and data governance, and helping teams turn data into actionable insights.…Hi, I’m Adi Neagu. I’m a seasoned IT professional with over 25 years of experience in data management, data integration, and business intelligence. I’ve led and contributed to complex data warehouse and big data initiatives, spanning database administration, data architecture, and automation. I enjoy solving tough data problems, designing scalable ELT/ETL pipelines, and optimizing cloud and on‑prem environments for performance and cost efficiency. In my roles, I’ve partnered with banks and enterprises to implement data lakes, migrate legacy systems to modern platforms like Oracle to BigQuery, and enable secure data sharing across organizations. I’m passionate about mentoring teammates, sharing best practices in ODI, Hadoop, and data governance, and helping teams turn data into actionable insights.

Available to hire

Hi, I’m Adi Neagu. I’m a seasoned IT professional with over 25 years of experience in data management, data integration, and business intelligence. I’ve led and contributed to complex data warehouse and big data initiatives, spanning database administration, data architecture, and automation. I enjoy solving tough data problems, designing scalable ELT/ETL pipelines, and optimizing cloud and on‑prem environments for performance and cost efficiency.

In my roles, I’ve partnered with banks and enterprises to implement data lakes, migrate legacy systems to modern platforms like Oracle to BigQuery, and enable secure data sharing across organizations. I’m passionate about mentoring teammates, sharing best practices in ODI, Hadoop, and data governance, and helping teams turn data into actionable insights.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Italian

Fluent

Romanian, Moldavian, Moldovan

Fluent

German

Advanced

Work Experience

Senior Data Engineer and Architect at ERSTE DIGITAL

February 1, 2023 - November 23, 2025

Lead engineer in a team managing a heterogeneous data ecosystem; migrating Oracle databases to Google BigQuery in GCP; designed end-to-end data migration, optimized storage formats and query execution, and built large-scale real-time and batch pipelines; implemented secure data sharing via Analytics Hub with row-level security.

Freelance Oracle Developer at AGRARMARKT AUSTRIA

January 31, 2023 - January 31, 2023

Oracle development for MFA 2023 adaptation: large-scale object changes, extensive PL/SQL usage, development of prints, evaluations, plausibility checks, and configuration apps using Oracle APEX.

ODI Solution Manager at ERSTE GROUP INTL. IT

January 31, 2022 - January 31, 2022

Responsible for the ODI solution within the division; defined standards and best practices; administration of Oracle Data Integrator environments; contributed to automation and deployment processes.

Big Data Engineer at ERSTE GROUP INTL. IT

January 31, 2022 - January 31, 2022

Designed and built a big data application to ingest and consolidate operational data from multiple sources (files, Oracle, Kafka). Used Sqoop, Hive, Avro, Parquet, Spark, Impala, and Oozie; defined architecture, CDC, partitioning, and access controls; implemented ETL pipelines with Oozie workflows.

Senior DWH Consultant at ERSTE GROUP INTL. IT

January 31, 2022 - January 31, 2022

Migrated legacy IBM DB2 mainframe data warehouse to Oracle; defined new integration patterns and ELT processes using ODI and SQL/PL-SQL; developed automation for deployment and data access controls.

Senior DWH Consultant at RAIF FEISEN BANK INTL.

February 28, 2014 - February 28, 2014

Contributed to Enterprise Data Warehouse framework; automated ODI artifact creation and access view layer objects using ODI Java SDK and a custom rule repository.

Senior DWH Consultant and Oracle DBA at BORSA ITALIANA

June 30, 2011 - June 30, 2011

Led the replacement of the legacy ETL with ODI; set up ODI infrastructure, migrated ETL, and developed custom ODI knowledge modules; focused on load optimization and performance tuning.

Datawarehouse Developer at BWIN A.G.

June 30, 2010 - June 30, 2010

Migrated MS SQL data warehouse to Oracle; tuned long-running procedures, developed ODI jobs, and contributed to data warehouse development.

Oracle DBA and DWH Developer at MTS S.P.A

June 30, 2009 - June 30, 2009

Administered Oracle databases for real-time data capture and OLAP reporting; designed physical schemas, performed performance tuning, and contributed to data warehouse design and ELT framework.

Oracle DBA and Application Developer at IVECTA S.R.L.

May 31, 2002 - May 31, 2002

Handled Oracle DB administration for multiple 24x7 databases; implemented RMAN backups, performance tuning, and monitoring. Developed web applications for performance monitoring and conducted SQL/PLSQL optimization.

Application Developer and Junior Oracle DBA at ROMTELCOM S.A.

January 31, 2000 - January 31, 2000

Involved in designing and developing a billing and customer management system using Oracle tools; responsibilities included database design, PL/SQL packages for pricing and assignments, and overall database tuning.