Valentyn K.

UA

Remote job

Full time

Available now

Rating:

ETL / DWH / BI / Back-end / SQL / DB Developer

Data modelling, Designing DB schemes

SQL, PL/SQL, T-SQL, Server-side / Back-end

Oracle Database, MS SQL Server, MySQL, PostgreSQL

OOA / D / P, API, XML, JSON, HTML CSS

ERP, CRM, ETL, DWH (data warehouse), BI

Others: Git, Python, Java, C#, JavaScript,

Delphi, VBA

Talent Story

August 2014 - Present

ETL / DWH / BI / Back-end / SQL / DB Developer

Design for scalability and extensibility;

Data modelling, data mapping, designing databases schemes;

Development of innovative solutions for metadata management;

Prototyping and selecting frameworks, architectural and design decisions;

OOA/D/P, coding, testing, debugging, refactoring;

Code review, localization of problems and troubleshooting;

SQL
February 2014 - July 2014

Oracle PL/SQL Developer

Analysis and improving of ETL processes;

Bug fixing, improving and development of problematic SQL queries;

Analysis and improving code in PL/SQL, T-SQL, XML;

Tuning SQL queries; IT-Consulting; Developing BI reports;

June 2013 - December 2013

Web Back-end Developer

Development of JSON API and new server-side components / business logic for the trade portal including data modelling, data mapping, designing databases schemes, ETL routines, data marts, reporting and tuning SQL queries;

Code review, localization of problems and troubleshooting;

SQL JSON
October 2012 - May 2013

Oracle / Java Developer

April 2010 - September 2012

ETL / DWH / BI Architect

Research, architecture, data modelling, data mapping, designing databases schemes, prototyping, OOA/D/P, coding, testing, debugging, refactoring, implementation, maintenance and ad hoc queries, BI reporting, KPIs;

Education

1989 - 1993

Dnepropetrovsk College of Automatics and Telemechanics

Engineer's Degree, Electronic and electric devices of automation

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