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Alexandru M.

Data Engineer

505 dollar
Freelancer
14 ans
Bucarest, ROUMANIE
Business Analysis Java JIRA Microsoft SQL Server Oracle Python SSRS

Mon expérience

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XPO Logistics, Inc.January 2020 - Présent

Develop new ETL flows for sourcing data from companies source ERP to reporting layer.
Modify exiting ETL flows.
Develop a warehouse operation datalake, containing history of all sites operations,

Utilized Oracle SQL Developer, Oracle Golden Gate, MSSQL 2018,
Informatica, Google Big Query, Microsoft Power Platform
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Aera TechnologyJune 2016 - January 2020

• Develop and maintain ETL related processes
• Identify and propose new ways of improving current data digestions processes and architecture
• Act as an SME for internal company data ingestion process to Aera cloud platform

Utilized Java, Python, HDFS Storage, Columnar DB(Exasol),Kafka, SQL
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Aera TechnologyDecember 2014 - May 2016

- Design and build data models in columnar DB on Aera SAAS cloud platform
- Develop and optimize complex SQL queries for data processing
- Perform Data Analysis for complex use cases using SQL 
- Build data crawlers to extract data from new data sources using the internal Aera ETL and troubleshoot the issues faced during the data loading & processing to Aera cloud platform.

Utilized SQL, Python, Columnar DB(Actian Vector, Exasol)
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Hewlett-PackardApril 2011 - November 2014

> Manage HP EMEA Smart Portal Business Intelligence strategy.
> Develop ad-hoc web based reports.
> Develop business analytic like operational metrics, that Improve visibility into business metrics i.e. site traffic, behaviour, etc (Dashboards and Campaign reports)
> Support team leads (Publishing, email, Structure) in implementing new features within the framework of their tools
> Ensure all documentation is up to date and readily accessible

Utilized Microsoft SQL package(SQL Server, SSRS, SSIS, SSAS), Qlickview, Adobe Omniture
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CAMPIMay 2010 - January 2011

develop and implement management system tools and elements ensuring improved effectively of management meetings and sales process
- develop and implement data tools allowing for improved business process understanding
- perform field training of behavioral science to middle level management
- perform field observations and coaching to middle level management activities
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Raiffeisen BankApril 2009 - April 2010

Responsible with SME sector in the branch:
- Maintaining the business relations with the existing ones and drawn of new ones
- Negotiate and structure of the credit applications
- Responsible for the quality of services and products used by the SME clients.
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Raiffeisen Bank RomaniaAugust 2007 - March 2009

Creating and maintaining
- Reports and statistics about the relation of SME clients with the bank (in terms of gross profit, T/O, no. of operation)
- Daily/Weekly/Monthly reports about the sales force achievements, productivity; comparison between different regions;
- Ad-hoc reports and number based predictions about the business evolution

Mes compétences

Analysis methods and tools

JIRA

Big Data

Apache Kafka

Databases

Oracle, Microsoft SQL Server

Languages

Python, SQL, Java

Technologies

HDFS

Environment of Development

Oracle SQL Developer

Business Intelligence

Informatica, ETL, SQL Server Integration Services, SQL Server Reporting Services, SSRS, QlikView, Business Intelligence

Others

Business Analysis, Troubleshooting, Data processing

Mes études et formations

Automatic Control and Applied Informatics - Automation Engineer - University Politehnica of Bucharest2004 - 2009