Claudiu N.

Claudiu N.

Senior Database Engineer

Braşov, Romania
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About Me

Claudiu is a Senior Database Engineer and ETL Developer with a solid background in databases, data warehousing, data engineering, BI, Linux, Big Data, and financial analysis. He is a strong Oracle-certified IT professional highly skilled in SQL and Oracle DB, ETL, design and tuning, strategic planning, database monitoring and growth, performance improvement, and process automation. Claudiu is currently engaged as a Database Consultant/Developer at NTT DATA, working on analytics and CRM tasks and also serving as a PL/SQL and Java developer.

Work history

UpStack
UpStack
Senior Database Engineer
2022 - Present (2 years)
Remote
  • Establishing user needs, monitoring user access, security, and performance, and managing parameters to provide fast responses to front-end users.

  • Providing high-level database development assistance in creating businesses applications.

  • Ensuring database optimization and implementing database design considering integrity, consistency, security, and privacy.

NTT DATA
NTT DATA
Database Consultant/Developer
2021 - Present (3 years)
Romania
  • Establishing strategic direction on analytics (Databases, Reporting, BI Cloud, Big Data) and CRM (Salesforce) tasks.

  • Working on multiple applications taken over from Volkswagen, monitoring planning and implementation, and reviewing all system documentation.

  • Serving as a PL/SQL and Java developer, working on system integration and back-end development.

Freelance
Freelance
Senior Database Engineer | Senior ETL Developer
2020 - 2022 (2 years)
Remote
  • Created multiple flows/workflows using multiple tools, technologies, and knowledge, including Informatica PowerCenter for the ETL Load -Python for the ETL Load -PL/SQL for developing stored procedures/functions inside databases, AWS, and Apache Airflow for the scheduling process.

  • Performed system integration and back-end development, handling multiple databases and performing ETL from different sources; developed load procedures and normalized databases, created links between DBs, and implemented cron-jobs for scheduling purposes.

  • Integrated complex manufacturer models in the client’s product and different configurations from the client's specifications.

IBM
IBM
Technical Team Lead | Infrastructure & BI Specialist
2016 - 2019 (3 years)
Brasov, Romania
  • Worked on functional requirement analysis, release management planning for the application, created proposals/offers, and designed technical & business solutions.

  • Created new scripts and applications for the operational teams to automate the daily processes; conducted analysis on business dataflows in Informatica ETL.

  • Developed SQL scripts for performance improvement and monitoring DB parameters and worked on SQL Administration, PL/SQL, running scripts.

Portfolio

Database Consultant/Developer - NTT DATA Romania
Database Consultant/Developer - NTT DATA Romania

NTT DATA supports clients' digital transformation through a large portfolio of consulting, applications, infrastructure, and business processes, IT modernization and managed services, and in-depth industry expertise and delivers measurable results that meet or exceed every expectation. Determined information system requirements and defined project objectives. Monitored planning and implementation for different Volkswagen applications. Technologies used: Oracle Databases, Linux/Shell Scripting, Networking, SAP BO/Information Designer Tool for Universes, MySQL, Java.

Education

ITIL Foundation Level V4
ITIL Foundation Level V4
PeopleCert
2019 - 2019
IBM Design Thinking Practitioner; Cognitive Practitioner; Automotive Industry Foundations; IBM Mentor; IBM Agile Explorer; Cloud Client Success Specialist Project Badge - Level 1
IBM Design Thinking Practitioner; Cognitive Practitioner; Automotive Industry Foundations; IBM Mentor; IBM Agile Explorer; Cloud Client Success Specialist Project Badge - Level 1
IBM
2017 - 2018 (1 year)
Master of Mobile und Internettechnologien in e-Business
Master of Mobile und Internettechnologien in e-Business
Transilvania University of Brasov - Romania
2017 - 2019 (2 years)
Oracle Database 11g: SQL Fundamentals; Oracle Database 11g: Program with PL/SQL; Oracle PL/SQL Developer Certified Associate
Oracle Database 11g: SQL Fundamentals; Oracle Database 11g: Program with PL/SQL; Oracle PL/SQL Developer Certified Associate
Oracle
2016 - 2017 (1 year)
Bachelor of Accounting & Informatics
Bachelor of Accounting & Informatics
Transilvania University of Brasov - Romania
2014 - 2017 (3 years)