Christian R.
Data Engineer ETL (Talend Studio)
Experience
Aug 2023 - Present
2 years 3 monthsLeipzig, Germany
Data Engineer ETL (Talend Studio)
DB Fernverkehr AG
- Debugging and fixing issues in a new ETL pipeline
- Designing and implementing an automated comparison to detect deviations
- Designing and implementing data model management (Postgres) with Liquibase
- Designing and implementing a release pipeline in GitLab
- Onboarding of additional colleagues
- Requirements analysis, documentation, and implementation of new features in the ETL pipeline
Aug 2022 - May 2023
10 monthsSabbatical
Jul 2021 - Jul 2022
1 year 1 monthHamburg, Germany
IT Business Analyst
Aquila Capital Holding GmbH
- Requirements analysis
- Data integration of enterprise applications into the DWH
- Data maintenance and provisioning in the DWH reporting schemas
- Data transformation and reporting
- User support for asset and fund management application
Apr 2020 - Mar 2021
1 yearHamburg, Germany
IT Business Analyst
Payone GmbH
Card-based transaction processing at gas stations
- Requirements analysis
- POS processes
- Card terminals (Ingenico, CCV)
- Authorization hosts (IFSF)
- Communication with customers as well as internal and external service providers
- Process documentation
- Creation of requirement specifications
- Organization of workshops
- Onboarding of additional colleagues
- Coordination of business analysis in the project
Sep 2018 - Mar 2020
1 year 7 monthsIT Consultant
Payone GmbH
- Requirements analysis
- POS processes
- Card terminals (Ingenico, CCV)
- Authorization hosts (IFSF)
- Communication with customers and internal and external service providers
- Creation of requirement specifications
- Workshop organization
Apr 2018 - Jul 2018
4 monthsIT Consultant
Payone GmbH
- Java Backend (Spring Boot)
- Data Modeling
Jun 2016 - Aug 2018
2 years 3 monthsIT Consultant
Consorsbank
- Automated Tests (HP Performance Center)
- Test Tool Development (Java)
- Data Anonymization (Ab Initio)
- Test Data Generation (Talend Studio)
Aug 2015 - Jun 2016
11 monthsIT Consultant
Deutsche Telekom AG
- Further Development of an ESB Configuration Client (Java)
May 2015 - Jul 2015
3 monthsIT Consultant
Deutsche Postbank AG
- Java Backend Development (Application, Database)
- Data Model Design
- Interface Integration (REST, CSV)
- Continuous Integration (Jenkins)
Jan 2015 - Mar 2020
5 years 3 monthsIT Consultant
Syngenio AG
Client Projects During This Time
Jan 2015 - Mar 2018
3 years 3 monthsIT Consultant
FIL Fondsbank
- Requirements analysis
- Implementation of processes in Talend Studio
- Extension of a Java client (e.g., access permissions, LDAP, new use cases)
- Automated GUI tests (Maveryx)
- Application Management
Feb 2014 - Nov 2014
10 monthsHamburg, Germany
Head of Development
Sohomint GmbH
- Coordination of the development team
- Requirements analysis and communication with other teams
Apr 2013 - Jan 2014
10 monthsHamburg, Germany
Java developer for web applications
Sohomint GmbH
- Development and enhancement of backend processes
- Technical support for the SEO area
- Analysis, planning and implementation of backend requirements
- Sales statistics
- Introduction of the VTiger CRM system
- New customer acquisition
Oct 2012 - Mar 2013
6 monthsOldenburg, Germany
Lead Developer
Praxis für Endokrinologie und Diabetologie Oldenburg
- Replacement of legacy software with a new Java web application
- Design and implementation of the new system architecture and data model
- Maintenance of the test system for user feedback
Mar 2012 - Sep 2012
7 monthsHamburg, Germany
Java developer
The Quality Group Business Engineers GmbH
- Further development of the backend in e-gaming
- Further development of the Product Suite LCM (Legal Contract Management)
Dec 2011 - Feb 2012
3 monthsHamburg, Germany
Java Web Application Developer
Sohomint GmbH
- API development for interface integration
- Replacing Excel spreadsheets with new backend processes
Sep 2009 - Nov 2011
2 years 3 monthsBremen, Germany
IT Consultant
inconso AG
- Further development and maintenance of inconsoWMS S as part of client projects
- inconsoWMS S client program
- EDI, implementation of SAP iDoc, EDIFACT, and custom interfaces
- MDT, implementation of dialog-based processes for operational warehouse staff
Languages
German
NativeEnglish
AdvancedEducation
Sep 2005 - Feb 2009
Fachhochschule OOW
B.Sc. · Business Informatics · Wilhelmshaven, Germany
Oct 1997 - Jun 2004
Gymnasium Osterholz-Scharmbeck
Osterholz-Scharmbeck, Germany
Certifications & licenses
Certified Professional For Software Architecture
Professional Scrum Master 1 (PSM I)
PRINCE2 Foundation
Certified Professional For Requirements Engeneering
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