Profileimage by Oleksandr Saiun SQL Developer, PL/SQL Developer, ETL Developer,  Data Engineer from Kyiv

Oleksandr Saiun

available

Last update: 30.09.2022

SQL Developer, PL/SQL Developer, ETL Developer, Data Engineer

Company: SoftEng
Graduation: not provided
Hourly-/Daily rates: show
Languages: English (Limited professional)

Attachments

CV_OLEKSANDR-SAIUN.pdf

Skills

I have been working in the IT industry for over 20 years.
Technical skills:
Technical concepts: BI, DWH, ETL
Database: Oracle, DB2, SQL Server, Sybase IQ
ETL: Informatica, IBM DataStage, MS SSIS, Unix
Languages: SQL, PL/SQL, T-SQL, Linux (Shell, Bash)
Reporting: Power BI
Cloud platforms: Azure, AWS
Version Control System: Git, TFS, Jira
Repository: GitHub

Project history

07/2020 - Present
DB Developer
SoftEng (Internet and Information Technology, 50-250 employees)

Jul 2020- Present SoftEng Location: Kyiv, Ukraine Job Position: DB Developer  ETL Converting Oracle large tables to flat files with Informatica. Responsibilities:  Analysis of Informatica mapping  Creating Oracle procedures in PL/SQL to unload data from Oracle database 19  Design of ETL workflows using Informatica for uploading Oracle data from DWH to flat file  ETL troubleshooting and performance optimization

09/2022 - 09/2022
DB Developer
DB Best Technologies

PROJECT 2
Client: DB Best Technologies
Location: Kyiv, Ukraine
Job Position : DB Developer
Project Description: Migrating data from different sources platform of AS / 400 (OS / 400)
and SQL Server 2008 into one DWH on SQL Server 2016 with preliminary cleaning, converting
data into data marts.




Databases:
* Platform of AS / 400, MS SQL Server

Tools:
* MS SQL Server
* SQL Server Integration Services (SSIS)
* Team Foundation Server (TFS)

Responsibilities:
* Migration and development of tables, stored procedures, functions, views using the ETL
tool MS SSIS.
* Creating ETL workflows
* Create procedures and functions to populate tables.

09/2022 - 09/2022
DB Developer
DB Best Technologies

PROJECT 1
Client: DB Best Technologies
Location: Kiev, Ukraine
Job Position : DB Developer
Project Description: Load flat files to DWH Sybase IQ using IBM DataStage Platform for
Data Integration

Databases:
* Sybase IQ

Tools:
* IBM DataStage


Responsibilities:
* Analysis of IBM DataStage mapping
* Design of ETL workflows using Talend to load data to DWH

09/2016 - 07/2020
DB Developer
DB Best Technologies

PROJECT 3
Client: DB Best Technologies
Location: Kyiv, Ukraine
Job Position : DB Developer
Project Description:
"HRB Block ETL Development" : upload Informatica logs, SSIS logs, txt files to Azure Blob
Storage

Responsibilities :
* Creating ETL workflows
* Upload logs to Azure Blob Storage with Azure Storage Explorer
* Tuning SQL Queries (Kusto Query Language) for Azure Monitor Logs
* ETL troubleshooting and performance optimization
* Scheduling tasks in the cloud and restarting the job
* Analysis of logs and finding out the reasons for stopping the job
* Monitoring Upload Azure blob, files, pipelines, queues, and tables


Databases:
* MS SQL Server
Tools, technologies:
* Azure Storage Explorer, Azure Blob Storage, Virtual Machine in Microsoft Azure

Local Availability

Only available in these countries: Ukraine
Ukraine, Kyiv, remote
Profileimage by Oleksandr Saiun SQL Developer, PL/SQL Developer, ETL Developer,  Data Engineer from Kyiv SQL Developer, PL/SQL Developer, ETL Developer, Data Engineer
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