Bernd H.-Graduate Mathematician
Check rate
Experience
Deutsche Bahn
- Migration of the platform to X systems
- Analysis of changes related to TCP/IP communication
- Handling error tickets
- Installation and configuration of Xypro Security 1 attack detection
- Setting up an SNMP.v3 connection to send alert traps to Netcool (Tivoli)
- Installation and configuration of the RemoteAnalyst software
- Migration of master data and timetable data
- Setting up and monitoring MQ pipelines to external partners
Miele AG
- Development of a streaming process that forwards incoming orders to warehouse management and production
Bank-Verlag
- Authorization of card transactions, with a focus on high availability and massive parallelism
- Card transactions without CVM (Cardholder Verification Method)
- Design and implementation of MasterCard MoneySend transactions
- Project lead for separating the switching centers and splitting the authorization center into 2 separate applications for different groups of banks
- Development of financial transactions with authentication based on mobile apps (CDCVM)
- Design and development of database archiving and cleanup programs
- Design and development of a limit method for foreign currencies
- Design and development of reservations for Visa debit cards, Girocard AppPayment and Girocard ApplePay
- Working with APIs: MasterCard, Visa, Deutsche Kreditwirtschaft
- Data migration for retail and cooperative banks
- Coding unit tests and handling error tickets
Six Payment Systems
- Calculation of Swiss stock market indices and STOXX indices, with a focus on high availability and massive parallelism
- Development of an interface (API) to Reuters Data Feed
- DevOps: application maintenance and monitoring
- Data migration for STOXX/Six
Ingenico Payment Systems
- Scoring and rating card transactions in real time
- Design, development, installation and configuration of an application for online payments with credit or debit cards
- Focus on high availability and massive parallelism
- Transaction data historization (slowly changing dimensions)
- Interfaces to SironAML (Anti-Money Laundering) and PayPal API
- Incorporating external rating information into the scoring algorithm
- SQL statement performance analysis and optimization
- Development of web services for database requests via SOAP API
- Reporting on direct debits, matching them with the original transaction and introducing the SEPA CAMT format
- Migration of DTS packages to SSIS
- Fraud detection: real-time delivery to the Actimize interface
- Coding unit tests and specialized Java clients for performance testing
- Building an MSSQL cube for statistical analysis and fraud tracking
Kugler Consulting
- Maintenance of the warehouse management application
- Porting the user interface to a web-based GUI
- Replacing embedded PL/SQL statements with JDBC access
Commerzbank AG
- Connecting external securities trading platforms (Global Trading Pool, proprietary trading)
- Migration of Dresdner Bank applications
- Development of interface programs between Summit, Murex and the Global Trading Pool
- Design and implementation of shell scripts for program control
- Data migration between Dresdner Bank and Commerzbank
EDS-Itellium
- Functional enhancements to Karstadt/Quelle's warehouse logistics
- Introduction of multi-tenancy in warehouse management
Mannesmann
- Redesign of computer connections via TCP/IP sockets
- Development and implementation of new programs
FirstData International
- Online authorization of card transactions at ATMs and POS terminals (GANS)
- Migration of the application to Itanium
T-Systems International
- Installation and configuration of a BEA WebLogic cluster for the Electronic Health Card
- Installation and configuration of the Real Time Information Director (RTID)
- Fail-safe configuration via Parallel TCP/IP
- Coaching and configuration management
- System administration
T-Systems International
- Installation and configuration of the middleware infrastructure (CORBA and Tuxedo) for a highly available distributed application
- Storage and printing of monthly invoices in PDF format
- Porting and maintenance of application programs for interprocess communication under NonStop OSS
- System administration
Tengelmann
- Design, development and implementation of a Pathway server class for online access to an Oracle database
ING-Bank
- Installation and configuration of MQ-Series on NonStop
- Porting of a Unix-based middleware application to NonStop
- Maintenance and further development of processes with MQ interface
Dresdner-Bank
- Porting of core banking from z/OS to NonStop
- Selection of master data from DB2
- Creation and initial loading of the SQL/MP database
AGES
- System analysis of a billing process for truck tolls
- Application design
Deutsche Bank
- Porting of a home banking application
- Development of the connection between the EAI server (Solaris) and the backend system (Tandem) via MQ-Series
- Development of user identification using SecurityCard
- Development of a WAP application for stock trading via mobile phone
Deutsche Telekom
- Migration of an information system to NonStop (Europe’s largest online database, 15 TB)
- Optimization of database access for OLTP and batch processes
- Design, development, and implementation of a connection between IBM and NonStop via MQ-Series
Dresdener Bank
- Design, development, and implementation of an OLE server for client PCs to access NonStop using CORBA
- Development of interfaces to access the UDS database on BS2000 computers
Deutsche Bank
- Further development of a home banking application
- Development and implementation of a connection between IBM and NonStop via MQ-Series
- Development and implementation of OLTP servers
Deutsche Bahn
- Design, development and implementation of the ticket sales and billing system (KURS’90)
Daimler Benz
- Analysis and high-level design of a spare parts warehouse for passenger cars and trucks
- Statistical analysis of sales data
- Development of interface programs for communication between host and process computers
Lagerdata
- Design, development and implementation of an automated high-bay warehouse
- Development of interface programs for communication between host and process computers
Freie Universität Berlin
- Development of mathematical algorithms
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Banking and Finance, Transportation, Education, Information Technology, Telecommunication, and Healthcare.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology, Product Development, Finance, Sales, Business Intelligence, and Project Management.
Skills
Software Development In C/C++, Java, Cobol
Good Knowledge Of All Common Programming Languages
Design And Development Of Client/Server Applications
Operating Systems (Nonstop-Kernel, Guardian, Oss)
Databases (Nonstop Sql, Oracle, Db2)
Middleware (Mq-Series, Corba)
Disaster/Recovery (Rdf)
Project Management
Development Of Software Programs For Guardian, Oss, Ibm Hosts And Unix In Cobol, C/C++ And Java
Development Of Database Applications (Nonstop-Sql, Db2, Idms, Oracle)
Creating Tables, Queries, Reports And Macros
System Software Installation And Configuration
Problem Analysis, Project Planning And Coordination
Configuration Management
Software And System Testing
Devops
Java
C/C++
C#
Cobol
Pl/I
Tal
Screen Cobol
Fortran
Pascal
Html, Dhtml, Dom, Xhtml
Xml / Xsl
Shell Scripts
Perl
Tacl
Tandem Nonstop Sql
Sql/Mx
Oracle
Db2
Informix
Access
Odbc
Jdbc
Microsoft Sql Server
Transact-Sql
Pl/Sql
Uds/Utm
Kordoba
Sybase
Nonstop-Kernel (Guardian And Oss)
Unix (Solaris, Hp-Ux, Aix, Linux)
Mvs
Zos
Cics
Windows Nt / 2000 / Xp / 7 / 10
Bs2000
Ethernet (Ieee 802.1-3)
Tcp/Ip
Ftp
Nfs
X.400
Ipx/Spx
Netbeui
Ibm Token Ring
Snax
Smtp
Mq-Series
Ibm Websphere
Corba
Tectonic
Tuxedo
.Net
Visual Studio
Etk (Pc Cross-Compiler For Nonstop)
Eclipse
Rational Rose
Jbuilder
Bea Weblogicserver
Jboss
Dsm/Scm
Rdf (Remote Database Facility)
Dataloader (Etl Tool For Nonstop)
Ms Office
Pvcs
Vaadin
Visualsourcesafe
Visual Inspect
Summit
Murex
Cvs
Clearquest
Xpediter
Sironaml
Actimize
Uc4
Xypro
Uml
Zle
Stored Procedures
Embedded Sql
Multithreading
Unit Tests
Scrum
Kanban
Ci/Cd
Tdd (Test Driven Development)
Languages
Education
Freie Universität Berlin
Graduate Mathematician · Mathematics · Berlin, Germany
Statistics
Experience
Global experience
Expertise
Qualifications
Frequently asked questions
Have questions? Find more information here.
Bernd is based in Verbandsgemeinde Diez, Germany and can operate in on-site, hybrid, and remote work models.
Bernd speaks the following languages: German (Native), English (Advanced).
Bernd has at least 44 years of experience. During this time, Bernd has worked and for 21 different companies. The average length of individual experience is 2 years and 10 months. Note that Bernd may not have shared all experience and actually has more experience.
In recent years, Bernd has worked for Deutsche Bahn and Bank-Verlag.
Bernd is most experienced in industries like Banking and Finance, Transportation, and Education. Bernd also has some experience in Information Technology, Telecommunication, and Healthcare.
Bernd is most experienced in business areas like Information Technology, Product Development, and Finance. Bernd also has some experience in Sales, Business Intelligence, and Project Management.
Bernd has recently worked in industries like Banking and Finance and Transportation.
Bernd has recently worked in business areas like Information Technology, Product Development, and Project Management.
Bernd holds a Master in Mathematics from Freie Universität Berlin.
Bernd is immediately available for suitable projects.
Daily rate distribution
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Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 29 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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