You're seeing this page as if you were . The main menu is still yours, though. Exit from immersion
Tetiana OmelchenkoTO

Tetiana Omelchenko

Data Engineer, Data Analyst, DWH/BI

€650/day
Mönchengladbach, DE
8-15 years

Average response time: 1 hour

About Tetiana

  • Russian

    Native or bilingual

  • German

    Fluent

  • English

    Fluent

  • Spanish

    Basic

  • Ukrainian

    Native or bilingual

Remote only
Primarily works remotely

Experience

  • Diezel&Co GmbH (Project at Deutsche Bank),
    DB/BI Developer Analyst
    BANKING AND INSURANCE
    February 2020 - December 2025 (5 years and 10 months)
    Frankfurt, Germany
    SQL Server,
    • • Requirements Management & Solution Design: Coordination with specialized departments to record requirements and direct implementation into new, useful application functions
    • • Backend Development: Development of three new modules of the applications using complex stored procedures and functions in MS SQL Server
    • • ETL Management: Conception and implementation of data integration pipelines for security-critical data.
    • • BI Reporting: Creation of Tableau dashboards and Ad-Hoc reports for management of Deutsche Bank security departments, leading to faster decisions based on clear data.
    • • Performance Engineering & System Stability: Optimization of databases for 40% faster queries and ensuring a system availability of 99.9% through effective planning.
    • • Interdisciplinary Release Management: Cooperation with various departments for the preparation of software releases for a smooth launch of new functions.
  • Team International,
    Business Systems Analyst / Data Engineer
    May 2019 - November 2019 (6 months)
    Kharkiv, Kharkiv Oblast, Ukraine
    MS SQL Server, SSRS
    • • Reporting & Data Analysis: Development and maintenance of over 50 complex reports using SSRS (SQL Server Reporting Services) to provide business-critical data for various departments.
    • • Technical Implementation: Creation of the underlying logic using complex stored procedures and functions in MS SQL Server to ensure precise and high-performance data preparation for reporting.
  • VisiQuate Inc.
    Senior Data Analyst / BI-Developer
    October 2014 - May 2019 (4 years and 7 months)
    Kharkiv, Kharkiv Oblast, Ukraine
    MicroStrategy, Power BI, SSIS, MS SQL Server, DB2
    • • End-to-End BI: Management and development of over 10 projects in the healthcare sector from start to finish, including monitoring of deadlines and quality.
    • • Dashboard Design: Construction of over 25 dashboards with MicroStrategy to present important insights for management of hospitals.
    • • Data Governance & Security Management: Management of user access (ACL) and security policies for over 100 users in compliance with strict data protection standards. Performance Engineering & Cube Optimization: Improvement of data cubes, resulting in 30% faster queries and a better user experience.

Recommendations

Be the first to recommend Tetiana

Help this freelancer shine by sharing your experience working together.

These freelancer profiles also match your criteria

AgathaA

Agatha Frydrych

Backend Java Software Engineer

4.7

(3)

2

BaptisteB

Baptiste Duhen

Fullstack developer

4.6

(4)

5

AmedA

Amed Hamou

Senior Lead Developer

4

(2)

7

AudreyA

Audrey Champion

Web developer

4.3

(3)

4

Education

  • Advanced Training - Cloud & Data Engineering with
    AWS & Databricks
    Advanced Training - Cloud & Data Engineering with
  • Bachelor – Business Informatics
    Kharkiv National University of Economics
    1997
    Bachelor – Business Informatics

Categories