Ivan Kazhadub

Bis 2020, Lead Software Architect, Wirecard AG
Kirchheim, Germany

Fähigkeiten und Kenntnisse

Java
Big Data
Business Intelligence
ETL
Apache Kafka
Apache Solr
Hbase
Pentaho
Apache Hadoop
J2EE
UML
HTML
HTML5
SQL
JavaScript
XML
Android
golden gate for hadoop
jQuery
Apache Maven

Werdegang

Berufserfahrung von Ivan Kazhadub

  • Current 5 years and 9 months, since Sep 2020

    Business Data Expert

    Commerzbank AG
  • 1 year and 5 months, Apr 2019 - Aug 2020

    Lead Software Architect

    Wirecard AG

    1. Data Lake Design und Implementierung 2. Technische Forschung und Implementierung des POC. 3. Design und Spezifikationsdokument der Produktionsanwendungen 4. Advanced Analytics 5. Java-Implementierung von Tasks, die nicht mit anderen Tools implementiert werden können. 6. MDM-Verteilung 7. Team- und Entwicklungsprozess etablieren 8. Beratung für interne Kunden 9. Roadmap Erstellung

  • 3 years and 5 months, Dec 2015 - Apr 2019

    Senior Softwareentwickler (ETL/BigData/Java)

    Wirecard AG

    Für folgende Aufgaben bin ich verantwortlich: 1. Integration von Apache Solr. 2. Data Lake Design und Implementierung (Hbase, Kafka, Spark) 3. Sammeln verschiedener Daten in verschiedenen Formaten aus verschiedenen Quellen und Bereitstellen in einem leicht analysierbaren Format für BI-Tools. 4. Technische Forschung und Implementierung von POC 5. Java Implementierung von Aufgaben, die nicht mit anderen Tools implementiert werden können. 6. MDM Design und Implementierung.

  • 3 months, Sep 2015 - Nov 2015

    Lead Java/BigData Developer

    Godel Technologies

    Project: Austrian railways. Google BigQuery based project for collecting and analyses information coming from different systems. Responsibilities: team/tech lead, structure design, common components development. Environment: Goggle BigQuery, Java, Maven

  • 1 year and 2 months, Jul 2014 - Aug 2015

    Senior Java/Hadoop Developer

    IBA Group

    Project: . Megafon Scoring Service. Senior Java/Hadoop developer Scoring Service project for one of the largest Russian’s providers of mobile communications. This is an application for analysis and calculation of the big data collected by the mobile provider and as a result some scoring number is provided to the customers. It is based on Hadoop (CDH 4.x.x) infrastructure. The application core is based on the MapReduce pattern. The access to the service is provided by SOAP protocol.

  • 3 months, May 2014 - Jul 2014

    Senior/Architect Java Developer

    IBA Group

    Project: New Business Online (nBOL) project. It is new face for old Swing client. Responsibilities: structure design, common components development. Environment: JSF, Primefaces, EJB, Jasperreports, Maven, Oracle, PLSQL, jQuery

  • 2 years and 1 month, May 2012 - May 2014

    Senior/Architect Java Developer

    IBA Group

    Project:. New Business Online (nBOL) project. The project includes both client and server parts for Corporate and Investment Banking of Standard Bank of South Africa, which is one of the biggest banks in Republic of South Africa. Responsibilities: Development and implementation server-side and client-side java application. Integration of reporting process. Implementation of EJB backend and frontend services. Performance improvement. Working on-side: 3 times.

  • 3 years and 1 month, May 2010 - May 2013

    Senior/Architect Android Developer

    Freiberuflich

    7 different projects to European customers. All available features of Android platform were involved.

  • 4 months, Feb 2012 - May 2012

    Senior Java/Web Developer

    Qulix Systems

    Project: Leshoz. It is a complex documentation circulation system; a web application connected to Alfresco repository, intended for workflow automation: documentation circulation, assignment handling and auditing. Responsibilities: Developing DAL, report’s templates, user interface. Environment: JSF, Primefaces, EJB, Jasperreports, Servlets, Maven, Oracle, PLSQL, jQuery

  • 9 months, May 2011 - Jan 2012

    Java/Web Developer

    Qulix Systems

    Project: Document management system. It is a complex documentation circulation system; a web application connected to Alfresco repository, intended for workflow automation: documentation circulation, assignment handling and auditing. Responsibilities: Developing product UI and program logic. Environment: SmartGWT, GWT, Spring, Java EE, Maven, Jasperreports, Alfresco, JBoss

  • 4 months, Feb 2011 - May 2011

    Java/Web Developer

    Qulix Systems

    Project: Electronic digital signature. These are three applets for generation keys, making digital signature and verifying it. Responsibilities: Developing Applets and algorithms of singing and verifying. Environment: Swing, JCE, JCA, Ant, Applet.

  • 1 year and 7 months, Aug 2009 - Feb 2011

    Java/Web Developer

    Qulix Systems

    Project: Intouch. These are electronic archive for insurance company. Responsibilities Developed UI and API for communication with Alfresco repository. Environment: , GWT, Spring, Log4j, Alfresco, Maven

  • 1 year and 9 months, Dec 2007 - Aug 2009

    Junior Java Developer

    Lightideas

    Project: Tender.Pro. Electronic trading platform for different equipment http://www.tender.pro/. Responsibilities: Developed servlets, DB layer on Hibenate. Project :Accounting system for dealer commodity circulation. Responsibilities: Developed user GUI, extended server API.

Ausbildung von Ivan Kazhadub

  • 1 year and 9 months, Sep 2011 - May 2013

    Motion recognition process

    Belarussian State University of Informatics and Radioelectronics

  • 4 years and 11 months, Sep 2006 - Jul 2011

    Systems and Networks department

    Belarusian State University of Informatics and Radioelectronics

Sprachen

  • Russian

    C2 (Verhandlungssicher / Muttersprachlich)

  • English

    C1 (Fließend)

  • German

    B1-B2 (Gute Kenntnisse)

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