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Software Engineering / Architecture

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  • 55130 Mainz
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  • 03.09.2018


Senior software developer / systems architect with a broad range of skills to "get things done". Bilingual German/English and always interested to work in multi-lingual environments.
SQL, Oracle, ORMs, No-SQL, CouchDB, BI, iOS, Mac OS X

Ich biete

Projekt‐ & Berufserfahrung

Senior Developer / Architect
Internal, Mainz
12/2011 – 4/2012 (5 Monate)

12/2011 – 4/2012


Development of iOS applications using CouchCocoa, TouchDB, and CorePlot. Details are available on request.
Platform: iOS
Technologies: Objective-C, Cocoa, CoreData, CouchCocoa, TouchDB, CorePlot

Architect / Technical Lead
Deutsche Bank, Eschborn
3/2011 – 11/2011 (9 Monate)

3/2011 – 11/2011


Architect of a prototype capacity management engine for a large German bank, consisting of a No-SQL data store for the performance data and an analyzer cluster to perform capacity management tasks (analysis, planning, modeling). The scale of the eventual system is set to be 40,000 monitored servers. Analysis will be executed partially on demand and partially in a daily batch process.
CouchDB was chosen as a database back-end for the prototype after evaluating the following No-SQL competitors: Cassandra, MongoDB, and Riak.
In addition to the technical role for the back-end, GUI design based on iPad mock-ups was provided and a prototype iPad application was developed.
Platform: Linux, Mac OS X, iOSTechnologies: Python, CouchDB, eCAP tools, RPyC, GUI design, Cocoa, CorePlot

Deutsche Bank, Eschborn
1/2010 – 3/2011 (1 Jahr, 3 Monate)

1/2010 – 3/2011


Architect of a reporting engine driving the global capacity management project of a large German bank. The reporting engine produces PDF reports of capacity management data with various chart types and tabular data. Its functionality is exposed as a SOA webservice, accessed from the AquaLogic BPM suite (now Oracle BPM).
The reports consist of multi-page PDFs covering a range of applications and services across approximately 40,000 servers. This included various report types, for example global or regional reports, and reports per data center or business unit.
Platform: Linux, Mac OS XTechnologies: Oracle, Python, SQLAlchemy, Matplotlib, ReportLab

Technical Consultant / Architect
Deutsche Bank, Eschborn
1/2009 – 12/2009 (1 Jahr)

1/2009 – 12/2009


Technical consultant for a global process in a large German bank. Activities included development of the data model (Oracle), import of data from various legacy systems using Python and SQLAlchemy (ETL tasks), and implementation of a reporting system.
In the later stages of the project, consultancy regarding Oracle queries was provided for the rest of development team.
Platform: Linux, Mac OS XTechnologies: Oracle, Python, SQLAlchemy, Java

iOS App Store, Mainz
8/2008 – 12/2008 (5 Monate)
Consumer Software

8/2008 – 12/2008


Co-author of the iPhone application Slam it!, first released on the Apple App Store in November 2008. While it lead to an actual App Store release, this project was primarily aiming at executing a complete release cycle with a non-trivial application and to use it as a showcase development effort.
Platform: iOSTechnologies: Cocoa, Objective-C, Xcode

Senior Developer
DEPFA Bank / HRE, Eschborn
6/2006 – 12/2008 (2 Jahre, 7 Monate)

6/2006 – 12/2008


Improvement of the development environment of a German bank. The development environment consisted mainly of Summit C++ applications managed by an RCS source code repository and a custom in-house release management system.
In the course of this project, the RCS repository was converted to subversion and the Trac wiki and issue management system was deployed. To improve code quality, test driven development was introduced, along with static code analysis.
Training was provided for the development team in these technologies and concepts and as a best practice showcase project, a C++ database access library (Solaris/Sybase) was developed.
In addition, the role included release management.
Platform: SolarisTechnologies: Version control systems, C++, Python, Sybase.

DEPFA Bank, Eschborn
3/2006 – 6/2006 (4 Monate)

3/2006 – 6/2006


Migration of a legal reporting application from Oracle to Sybase for a German bank.
A significant code base of a legal reporting system interfacing the Summit trading system to the SAMBA legal reporting software written in Oracle/OCI and OTL/OCI was converted to Sybase. This project was performed on a very tight schedule due to regulatory requirements.
Platform: Solaris, Mac OS XTechnologies: C++, OTL, ODBC, Sybase, Solaris.

Senior Developer
West-LB, Düsseldorf
10/2004 – 12/2004 (3 Monate)

10/2004 – 12/2004


Tuning and refining of a database application for Basel/II legal reporting. Data from two input sources is merged, validated, and pre-processed in an Oracle application and subsequently used to create legal reports.
Technologies: Oracle, PL/SQL.

Architect / Lead Developer
CERN, Geneva
5/2004 – 1/2009 (4 Jahre, 9 Monate)
Hochschulen und Forschungseinrichtungen

5/2004 – 1/2009


Core designer for the COOL project1 Conditions Objects for LHC2 which provides a common conditions database API for the LHC experiments. COOL is a cross-platform API and library, designed for a large technical user base, who includes it in their analysis software to access the conditions data during event processing. Since event processing performance is critical (due to the large data volume) high performance and high levels of concurrency of the library are essential.
The introduction of test driven design to the project has helped reach these goals with a comparatively small team, while achieving quick turn-around and maintaining very good code quality. The concepts employed in the COOL project have subsequently been adopted by other CERN projects with great success.
Platform: Linux, Mac OS XTechnologies: C++, Oracle, MySQL, Sqlite, Python.


Jahr: 2001
Ort: Mainz


SQL, Oracle, No-SQL, CouchDB (recent CouchConf attendee), Software Architecture / Patterns, OO Design, Data Modeling, Object Relational Mappers, iOS, Mac OS X, (iOS 5, Lion & iCloud ready, WWDC '11 attendee)

Über mich

I'm a senior software developer / systems architect with a broad range of skills to "get things done", bilingual German/English and always interested to work in multi-lingual environments.

In recent years my main are of work has been the back-end, typically database driven, but I've always stayed up-to-date on the front-end side, both on the web as well as iOS and Mac OSX. I've maintained several iOS and OS X projects "on the side", some to solve an actual personal computing need, some to learn new technologies.

I'm comfortable with things deeply technical but I understand and enjoy good (UI) design just as much.

Persönliche Daten

  • Englisch (Fließend)
  • Französisch (Grundkenntnisse)
  • Spanisch (Grundkenntnisse)
  • Europäische Union
  • Schweiz
23 Jahre und 10 Monate (seit 01/1998)
6 Jahre


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