Data engineer

JURIJ USENKO

Senior Data Engineer | BI/DWH (Teradata)

Prague, Czech Republic | yurka_usenko@yahoo.com | +420 725 867 624 | LinkedIn: www.linkedin.com/in/yuriyusenko/

PROFESSIONAL SUMMARY

Senior data engineer and BI/DWH specialist with 20+ years in enterprise data projects across banking, telecommunications, automotive, and airline sectors. Repeated success as BI Technical Lead, ETL Lead, Solution Architect, and Senior DWH Developer delivering migrations, performance tuning, and business-ready analytics. Extensive hands-on experience with Teradata/Vantage and SQL, strong data modeling, governance, quality focus, and stakeholder-facing delivery in agile environments (Scrum/Kanban).

CORE SKILLS

Databases: Teradata/Vantage, Oracle, MS SQL Server, DB2 ETL/ELT: Informatica PowerCenter, SSIS, BTEQ, FastLoad, MultiLoad, TPT Modeling & Governance: SAP PowerDesigner, data modeling (3NF/dimensional), lineage, DQ controls, MDM Analytics & Reporting: Power BI (certified), SSRS, QlikView, SAP BO, Excel, Crystal Reports Cloud & Scripting: Azure Synapse/ADLS/Delta Lake, Python (scripting) Delivery: Performance tuning, documentation, CI-friendly standards, Agile (Scrum/Kanban), JIRA

EXPERIENCE

Teradata - Prague

Senior Data Engineer

Apr 2020 – Jun 2025

• Optimized complex Teradata SQL and workloads on large datasets to improve query performance and operational stability.

• Designed and implemented ETL/ELT pipelines (Informatica, SSIS, BTEQ/TPT) and data models on Teradata Vantage with a strong focus on data quality and governance.

• Delivered BI assets (Power BI, SSRS) and comprehensive technical documentation; collaborated across global teams and mentored colleagues.

• Drove mentor initiative across junior developers;

Vodafone (IBM) - Prague

Business Data Analyst / Data Processing Analyst

Jan 2020 – Mar 2020

• Supported Teradata DWH (v16.20); built new BI extensions and performed end-to-end data-flow analysis and development.

• Executed data modeling (SAP PowerDesigner) and ETL development/tuning with Informatica; monitored daily workflows and produced documentation.

• Lead with impact: Improve ETL process execution time 20-30% and reduced resource consuming 10-12% Sberbank EU - Austria

Project Delivery Manager / BI Team Lead

Aug 2019 – Dec 2019

• Assessed existing DWH landscape; established development standards and practices, improving delivery quality for a 5–10 person BI team.

• Show ownership: Drove management initiative across three teams; delivered 10 days ahead of schedule.

• Lead with impact: Improve delivery process 10-12%

KBC Group (ČSOB SK) - Bratislava

DWH Architect / Business Analyst / Teradata SME

Jun 2019 – Sep 2019

• Designed a new DWH extension and data flows; partnered with stakeholders on requirements; delivered with Informatica, BTEQ, and SAP PowerDesigner.

Bank of Ireland (NCL) - Dublin

Optimization Team Lead / Senior Data Engineer

Oct 2018 – Apr 2019

• Led optimization for Teradata EDW (v15.10) in a managed-service setup; drove performance tuning and service stability.

• Drove mentor initiative across junior developers;

Société Générale Bank - Prague

DWH Optimization Technical Lead

Feb 2017 – Oct 2018

• Led migration from Oracle/DB2 to Teradata 15.10; standardized tooling (Fastload, TPT, BTEQ) and defined data models with PowerDesigner.

Teradata - Prague (EMEA)

Project Manager / Technical Support Delivery

Feb 2012 – Nov 2017

• Managed customer support across 10 countries with an international team of 25+; met SLAs/KPIs and coordinated cross-functional delivery.

• Provided DWH support and optimization; delivered internal data-integration projects on MS SQL Server (SSIS/SSRS).

SELECTED EARLIER PROJECTS (condensed)

• Fortum Generation AB (2013–2014): Mapped QlikView solution to new DWH; delivered reporting extensions and data migration (Oracle, DB2).

• Teradata (2008–2012): Senior PS Consultant / DWH Dev / ETL Lead — delivered churn analysis and multi-source DWH migrations for major telecoms and banks (Kyivstar, Uralsvjazinform, Megafon, VTB24, Sberbank Russia, UniCredit, ČSOB, A1 Telekom). • Hudson Global Resources (2005-2007): Back-end Programmer for web applications (C#, SQL Server), administrator, and developer for MS SharePoint Service

EDUCATION

B.Sc., Computer Science — Kiev IT University | 2001

CERTIFICATIONS

Microsoft Power BI Data Analyst — Microsoft (Jul 2025) Teradata Data Engineering Professional — Teradata (May 2025) Teradata Vantage Certified Associate 2.3 — Teradata (Nov 2023) Teradata Master Certified — Teradata (Jan 2009) Brainbench: MS SQL Server 2012 Programming (2013), MS SQL Server 2014 Programming (2015), Reporting Services (2016)

SELECTED TRAINING

Azure Data Fundamentals & Synapse Analytics; Delta Lake & ADLS; Teradata Vantage Data Engineering curriculum; Power BI model design & DAX (2024).

ADDITIONAL

Languages: Russian (fluent), Czech (fluent), English (B2+) Citizenship & Work Authorization: Czech Republic (EU) Interests: