Software-engineer

6/2009 – 12/2013

Design, development and maintenance of several key Information Systems within T-Mobile:
NAC - Number and Card management:
System for managing MSISDNs and IMSI/ICC’s for T-Mobile. Keeps track of all lifecycle events for IMSI’s and MSISDN’s. Automates the card ordering logistics process. Provisions cards in the t-Mobile network. Interacts with the main workflow system (Tibco). Keeps track of all porting requests, etc.. Takes care of encrypting sensitive data, ..
SNA (Servicenumber Application):
System to keep track of:
- all ported numbers (which MSISDN is at which networkoperator),
- Which operator owns which numberranges
- Routing codes
- Tariff information for servicenumbers
- Daily interfacing with COIN
Instantlink:
Mediation system between the workflow and the physical network elements.
FRA database:
Huge database which stores all mobile traffic from t-mobile for a period of 1 year. Used for Legal Interception.
Cashback:
Reconciliation of CDR traffic for billing purposes
ISA:
System to send bulk SMS messages to customers.
Skills/Technology used:
- Database modeling, design and maintenance (performance monitoring …)
- PL/SQL and SQL programming
- Frontend development with Oracle Forms/Designer
- UNIX scripting bash and ksh
- XML, XSD, XPath, wsdl
- Java (Spring, JPA(Hibernate), ActiveMQ, XML, ADF…)
- Perl
- gpg/pgp
- Weblogic, Jetty
- TCL and expect
- C/C++
- BST programming (Instantlink)
- ..

Tools:
- Toad
- Eclipse
- Visual Source Safe
- Sqlldr
- gcc, Visual C++
- Enterprise Architect (Sparx)
- ..

11/1997 – 4/2007

Software Entwicklung, Testen und Support

Qualifikationen:
C/C++/ Java/ ORACLE

11/1997 – 3/2007

Software engineer. Sowohl Client- alsauch Server. C C++ JAVA
Datenbank ORACLE : PL/SQL .

Qualifikationen:
Commitment