Bernd Höhler - Diploma in Mathematics

Q: Where is Bernd based?

Bernd is based in Verbandsgemeinde Diez, Germany and can operate in on-site , hybrid , and remote work models.

Q: What languages does Bernd speak?

Bernd speaks the following languages: German (Native), English (Advanced) .

Q: How many years of experience does Bernd have?

Bernd has at least 43 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.

Q: What companies has Bernd worked for in recent years?

In recent years, Bernd has worked for Deutsche Bahn , Miele AG , and Bank-Verlag .

Q: Which industries is Bernd most experienced in?

Bernd is most experienced in industries like Banking and Finance , Transportation and Logistics , and Education . Bernd also has some experience in Information Technology (IT) , Telecommunication , and Healthcare .

Q: Which business areas is Bernd most experienced in?

Bernd is most experienced in business areas like Information Technology (IT) , Product Development , and Finance . Bernd also has some experience in Sales , Business Intelligence , and Project Management .

Q: Which industries has Bernd worked in recently?

Bernd has recently worked in industries like Banking and Finance , Transportation and Logistics , and Manufacturing .

Q: Which business areas has Bernd worked in recently?

Bernd has recently worked in business areas like Information Technology (IT) , Product Development , and Project Management .

Q: What is Bernd's education?

Bernd holds a Master in Mathematics from Freie Universität Berlin .

Recommended expert

Verbandsgemeinde Diez, Germany

Experience

Oct 2023 - Present

2 years 5 months

Frankfurt, Germany

Deutsche Bahn

Migration of the platform to X systems
Analysis of changes regarding TCP/IP communication
Handling error tickets
Installation and configuration of a Xypro Security 1 intrusion detection system
Setting up an SNMP v3 connection to send alert traps to Netcool (Tivoli)
Installation and configuration of the RemoteAnalyst software
Import of master data, schedule data
Setting up and monitoring MQ pipelines to external partners

Jan 2021 - Jul 2021

7 months

Bielefeld, Germany

Miele AG

Implementation of a streaming process that forwards incoming orders to warehouse management and production

Mar 2018 - Dec 2022

4 years 10 months

Cologne, Germany

Bank-Verlag

Authorization of card transactions with focus on high availability and massive parallelism
Card transactions without CVM (Cardholder Verification Method)
Design and implementation of MasterCard MoneySend transactions
Project management for node separation and splitting the authorization center into two separate applications for different banking groups
Implementation of financial transactions with authentication based on mobile apps (CDCVM)
Design and development of archiving and cleanup programs for databases
Design and development of a limit procedure for foreign currencies
Design and development of reservations for Visa debit cards, Girocard AppPayment, and Girocard ApplePay
Working with APIs: MasterCard, Visa, German banking industry
Data migration for private and cooperative banks
Coding unit tests and handling error tickets

Oct 2016 - Mar 2018

1 year 6 months

Zürich, Switzerland

Six Payment Systems

Calculation of Swiss stock indices and STOXX indices with focus on high availability and massive parallelism
Development of an interface (API) to Reuters data feed
DevOps: maintenance and monitoring of applications
Data migration for STOXX/Six

Mar 2012 - Aug 2016

4 years 6 months

Ratingen, Germany

Ingenico Payment Systems

Scoring and rating of card transactions in real time
Design, development, installation, and configuration of an online payment application for credit or EC cards
Focus on high availability and massive parallelism
Historical tracking of transaction data (slowly changing dimensions)
Interfaces to SironAML (anti-money laundering) and PayPal API
Integration of external rating information into the scoring algorithm
Performance analysis and optimization of SQL statements
Development of web services for database requests via SOAP API
Reporting for chargebacks, matching with original transactions, and introduction of the SEPA CAMT format
Migration of DTS packages to SSIS
Fraud detection: feeding data to Actimize interface in real time
Coding unit tests and specialized Java clients for performance testing
Building an MSSQL cube for statistical analysis and fraud tracking

Jul 2011 - Dec 2011

6 months

Murrhardt, Germany

Kugler Consulting

Maintenance of the warehouse management application (inventory management)
Porting the user interface to a web-based GUI
Replacing embedded PL/SQL statements with JDBC calls

Jul 2009 - Jun 2011

2 years

Frankfurt, Germany

Commerzbank AG

Integration of 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

Aug 2008 - Mar 2009

8 months

Nuremberg, Germany

EDS-Itellium

Functional extension of Karstadt/Quelle's warehouse logistics
Introduction of multi-tenancy in warehouse management

Jan 2008 - Jul 2008

7 months

Mülheim, Germany

Mannesmann

Redesign of computer interconnections via TCP/IP sockets
Development and implementation of new programs

Apr 2007 - Dec 2007

9 months

Bad Vilbel, Germany

FirstData International

Online authorization of card transactions at ATMs and POS terminals (GANS)
Migration of the application to Itanium

Sep 2005 - Mar 2007

1 year 7 months

Berlin, Germany

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)
Fault-tolerant configuration via Parallel TCP/IP
Coaching and configuration management
System administration

Aug 2004 - Aug 2005

1 year 1 month

Darmstadt, Germany

T-Systems International

Installation and configuration of the middleware infrastructure (CORBA and Tuxedo) for a high-availability distributed application
Archiving and printing of monthly invoices in PDF format
Porting and maintenance of application programs for interprocess communication on NonStop OSS
System administration

Jan 2004 - Aug 2004

8 months

Wiesbaden, Germany

Tengelmann

Design, development, and implementation of a Pathway server class for online access to an Oracle database

Jun 2003 - Dec 2003

7 months

Brussels, Belgium

ING-Bank

Installation and configuration of MQ-Series on NonStop
Porting a Unix-based middleware application to NonStop
Maintenance and further development of processes with an MQ interface

Oct 2002 - Jun 2003

9 months

Frankfurt, Germany

Dresdner-Bank

Porting core banking from z/OS to NonStop
Selection of master data from DB2
Creation and initial loading of the SQL/MP database

Jul 2001 - Oct 2002

1 year 4 months

Düsseldorf, Germany

AGES

System analysis of a truck toll billing process
Application design

Apr 1999 - Jul 2001

2 years 4 months

Eschborn, Germany

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 a SecurityCard
Development of a WAP application for stock trading via mobile phone

Oct 1997 - Apr 1999

1 year 7 months

Darmstadt, Germany

Deutsche Telekom

Migration of an information system to NonStop (Europe's largest online database, 15 TB)
Optimization of database accesses for OLTP and batch processes
Design, development, and implementation of a connection between IBM and NonStop via MQ-Series

Oct 1996 - Sep 1997

1 year

Frankfurt, Germany

Dresdener Bank

Design, development, and implementation of an OLE server for client PCs to access NonStop via CORBA
Development of interfaces for accessing a UDS database on BS2000 systems

Jul 1995 - Oct 1996

1 year 4 months

Eschborn, Germany

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

Oct 1987 - Jun 1995

7 years 9 months

Frankfurt, Germany

Deutsche Bahn

Design, development and implementation of the sales and billing system for ticket sales (KURS’90)

Jul 1986 - Sep 1987

1 year 3 months

Wörth am Rhein, Germany

Daimler Benz

Analysis and rough design of a parts warehouse for cars and trucks
Statistical analysis of sales data
Development of interface programs for communication between host and process computers

Jul 1985 - Jun 1986

1 year

Montabaur, Germany

Lagerdata

Design, development and implementation of an automated high-bay warehouse
Development of interface programs for communication between host and process computers

Jul 1981 - Jun 1985

4 years

Berlin, Germany

Freie Universität Berlin

Development of mathematical algorithms

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Banking and Finance (19 years), Transportation (12 years), Education (4 years), Information Technology (3 years), Telecommunication (2 years), and Healthcare (1.5 years).

Banking and Finance

Transportation

Education

Information Technology

Telecommunication

Healthcare

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Information Technology (38.5 years), Product Development (8.5 years), Finance (7.5 years), Sales (7.5 years), Business Intelligence (5.5 years), and Project Management (5 years).

Information Technology

Product Development

Finance

Sales

Business Intelligence

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 On Guardian, Oss, Ibm Hosts, And Unix In Cobol, C/c++, And Java
Implementation Of Database Applications (Nonstop Sql, Db2, Idms, Oracle)
Creating Tables, Queries, Reports, And Macro Programming
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
Microsoft 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 Weblogic Server
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

German

Native

English

Advanced

Education

Jul 1981 - Jun 1985

Freie Universität Berlin

Diploma in Mathematics · Mathematics · Berlin, Germany

Profile

Created

February 2026

Need a freelancer? Find your match in seconds.

Try FRATCH GPT

Frequently asked questions

Do you have questions? Here you can find further information.

Where is Bernd based?

Bernd is based in Verbandsgemeinde Diez, Germany and can operate in on-site, hybrid, and remote work models.

What languages does Bernd speak?

Bernd speaks the following languages: German (Native), English (Advanced).

How many years of experience does Bernd have?

Bernd has at least 43 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.

What companies has Bernd worked for in recent years?

In recent years, Bernd has worked for Deutsche Bahn, Miele AG, and Bank-Verlag.

Which industries is Bernd most experienced in?

Bernd is most experienced in industries like Banking and Finance, Transportation and Logistics, and Education. Bernd also has some experience in Information Technology (IT), Telecommunication, and Healthcare.

Which business areas is Bernd most experienced in?

Bernd is most experienced in business areas like Information Technology (IT), Product Development, and Finance. Bernd also has some experience in Sales, Business Intelligence, and Project Management.

Which industries has Bernd worked in recently?

Bernd has recently worked in industries like Banking and Finance, Transportation and Logistics, and Manufacturing.

Which business areas has Bernd worked in recently?

Bernd has recently worked in business areas like Information Technology (IT), Product Development, and Project Management.

What is Bernd's education?

Bernd holds a Master in Mathematics from Freie Universität Berlin.

What is the availability of Bernd?

Bernd is immediately available for suitable projects.

What is the rate of Bernd?

Bernd's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.