Martin Lysik

Bis 2015, Teradata DWH Consultant at Lidl Germany, Teradata

Prague, Tschechische Republik

Fähigkeiten und Kenntnisse

Teradata
DWH
SQL
Logical Design
Physical Design
Access Layer Design
Performance Tuning

Werdegang

Berufserfahrung von Martin Lysik

  • Bis heute 5 Jahre und 9 Monate, seit Okt. 2018

    Teradata DWH Consultant for Analytics Data Mart at Lidl Germany

    Teradata

    Creation of new Data Mart supporting evaluation of executed promotions by providing KPIs with complex logic based on large tables from DWH. • Design and implementation of core layer, implementation of initialization logic and daily updates • Design and implementation of access layer consumed by new set of Microstrategy reports • Optimization of database tasks performed against large tables in DWH Technologies: Teradata 15.10, Microstrategy, Jira

  • 6 Monate, Apr. 2018 - Sep. 2018

    Tech Lead for Dual Synchronization at Lidl Germany

    Teradata

    Synchronization of core database layer to secondary Teradata machine. • Working on this project with 2 colleagues, acting as a tech lead of this team • Initial analysis, preparation of solution design and description of defined design patterns • Implementation of synchronization workflow and equality evaluation mechanism Technologies: Teradata 15.10, Teradata Data Mover, ActiveBatch

  • 1 Jahr und 3 Monate, Jan. 2017 - März 2018

    Teradata DWH Support Lead at Lidl Germany

    Teradata

    I have led DHW Support team, supporting operation of data warehouse and development teams with their projects. • Analyzing issues with loading processes, incorrect data shown in reports, performance issues • Assisting other teams with solution design • Design and implementation of synchronization process for production environment to secondary database machine within dual environment Technologies: Teradata 14.10, Teradata Data Mover, Microstrategy, ActiveBatch

  • 1 Jahr und 7 Monate, Juni 2015 - Dez. 2016

    Teradata DWH Consultant / Team Leader at Lidl Germany

    Teradata

    I was leading a small (3-7) offshore team of Teradata GDC Consultants • Analyzing business requirements, preparation of solution designs, effort estimation • Responsible for delivery on time and in expected quality Technologies: Teradata 14.10/15.10, Microstrategy, ActiveBatch

  • 10 Monate, Aug. 2014 - Mai 2015

    Teradata DWH Consultant at Lidl Germany

    Teradata

    I have worked in team responsible for maintenance and extension of Enterprise Data Warehouse at Lidl Germany • Physical design and implementation of core and access layer • Integration of data from new sources, implementation of ETL jobs in BTEQ • Performance tuning of existing transformations or reports SQL Technologies: Teradata 14.0, Microstrategy, ActiveBatch

  • 2 Jahre und 2 Monate, Mai 2012 - Juni 2014

    BI Technical Team Leader

    Indra

    Leading small team of DWH consultants at Telefonica Czech Republic. • Preparation of technical parts of offers, high level design description, effort estimation • Preparation of Solution Architecture documentation • Guidance and Support of team members Technologies: Teradata 13.10, Teradata Temporal, Informatica Power Center 9.1.

  • 1 Jahr und 3 Monate, März 2011 - Mai 2012

    BI Developer/Analyst

    Indra

    Development within Enterprise Data Warehouse project at Telefonica Czech Republic. • Design and implementation of database model extensions • Integration of new data sources to DWH, preparation of ETL processes • Implementation of stored procedures and data correction scripts Technologies: Teradata 12/13.10, Informatica Power Center 8.6.1

  • 2 Jahre und 3 Monate, Jan. 2009 - März 2011

    Analyst/Programmer

    H.P.L. Systems

    Implementation of backend/frontend of information systems and various logical modules. * Design and implementation of changes in database on MS SQL 2008, development of stored procedures and functions, optimization, administration tasks * Design and implementation of application logic and frontend functionality in ASP.NET (C# or VB)

Ausbildung von Martin Lysik

  • 15 Jahre und 1 Monat, Sep. 2004 - Sep. 2019

    Software systems

    Charles University in Prague, Faculty of Mathematics and Physics

Sprachen

  • Englisch

    Fließend

  • Deutsch

    Grundlagen

  • Slovak

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