Ralf Scholler - Senior Consultant / Developer

Q: Where is Ralf based?

Ralf is based in Michelbach, Germany and can operate in on-site , hybrid , and remote work models.

Q: What languages does Ralf speak?

Ralf speaks the following languages: German (Native), English (Intermediate) .

Q: How many years of experience does Ralf have?

Ralf has at least 37 years of experience. During this time, Ralf has worked in at least 16 different roles and for 29 different companies . The average length of individual experience is 1 year and 2 months . Note that Ralf may not have shared all experience and actually has more experience.

Q: What is Ralf's latest experience?

Ralf's most recent position is Senior Consultant / Developer at Überall Lokal .

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

In recent years, Ralf has worked for Überall Lokal , Government Agency / Public Sector , and Allianz Global Investors .

Q: Which industries is Ralf most experienced in?

Ralf is most experienced in industries like Information Technology (IT) , Telecommunication , and Government and Public Administration . Ralf also has some experience in Retail , Transportation and Logistics , and Banking and Finance .

Q: Which business areas is Ralf most experienced in?

Ralf is most experienced in business areas like Information Technology (IT) , Product Development , and Project Management . Ralf also has some experience in Research and Development (R&D) , Business Intelligence , and Quality Assurance (QA) .

Q: Which industries has Ralf worked in recently?

Ralf has recently worked in industries like Government and Public Administration , Information Technology (IT) , and Banking and Finance .

Q: Which business areas has Ralf worked in recently?

Ralf has recently worked in business areas like Information Technology (IT) , Business Intelligence , and Quality Assurance (QA) .

Recommended expert

Michelbach, Germany

Experience

Apr 2024 - Jul 2025

1 year 4 months

Senior Consultant / Developer

Überall Lokal

Developed a marketplace for local merchants
Technologies: Java, ORACLE, Ingres, REST, Spring Boot, Angular, nginx.

Nov 2021 - Mar 2024

2 years 5 months

Business Analysis, Test Analysis, Product Owner, Development/Test Team Lead

Government Agency / Public Sector

Project support for a large strategic initiative to implement a financial system
Participated in writing the functional specification and requirements documentation
Performed business analysis, test analysis, product ownership and led the development/test team
Technologies: Elster/Ginster/XML, Confluence, Scrum, JIRA, UML, use case diagrams, activity diagrams.

Nov 2020 - Mar 2021

5 months

Consultant

Allianz Global Investors

Advised on meeting BaFin requirements
Analyzed the business managed applications that did not comply with BaFin's KAIT requirements
Developed proposals on how to fulfill the KAIT requirements.

Apr 2020 - Oct 2020

7 months

Consultant

R&V Insurance

Set up a documentation platform for on-premise cloud
Analyzed the cloud documentation
Developed a concept for a documentation platform for training, documentation, and knowledge sharing
Implemented the documentation platform using Confluence
Technologies: Confluence, JIRA.

May 2019 - Feb 2020

10 months

Software Developer, Project Manager, Business/Requirements Engineer

DVAG Deutsche Vermögensberatung

Analyzed, designed, and implemented software for data cleanup in the DVAG cloud environment
Analyzed, designed, and implemented software to migrate DVAG cloud data from ORACLE to Microsoft Azure
Organized and prepared the DVAG cloud migration to Microsoft Azure
Technologies: Java, JUnit, Mockito, Oracle, JIRA.

Jan 2019 - Apr 2019

4 months

Software Developer

Helaba Invest

Development of software for financial accounting.
Technologies: Java, JUnit, Mockito, Xentis, Final, Doxis, Oracle, JIRA, CI/CD.

Dec 2018 - Jan 2019

2 months

Software Developer

Porting a web application from AngularJS to Angular 7 / TypeScript.
Migrating the server to Spring Boot to access a MySQL database via a REST interface.
Technologies: Angular 7, TypeScript, REST, Java, JUnit, Mockito, JSON, MySQL, JDBC, IntelliJ, Git.

Jun 2018 - Oct 2018

5 months

Project Manager, Business/Requirements Engineer

Deutsche Bank

Development of new software for managing public funding programs.
Established and initially led the design and implementation.
Conducted functional requirements analysis and oversaw the phased implementation by an Indian supplier.
Led a project to create essential prerequisites for the new development.
Developed a configurable test data generator in Java and ORACLE for a migration project.
Technologies: Java, JUnit, Mockito, ORACLE, IntelliJ, Git, Maven, Microservices.

Jan 2016 - Oct 2017

1 year 10 months

Germany

Component Owner, Project Manager, Business/Requirements Engineer

City of Munich

Responsible for the life-cycle management of several IT software systems as a Product Owner.
Served as liaison between the IT department, divisions, and vendors.
Requirement gathering, planning, design, and identification of optimization opportunities.
Quality management, configuration management, release management, and architecture support.
Handled escalations and conflicts as a mediator.
Migrated applications and databases from legacy servers to a virtualized environment, including technical design and execution of the database migration.
Technologies: ORACLE, PL/SQL, Architecture.

Jul 2015 - Oct 2015

4 months

Java Developer

Postbank

Migrated and enhanced a web application from Apache Struts to the Apache Wicket framework.
Developed reusable modules such as account display panels.
Developed CSS classes for a consistent look (web usability).
Technologies: Java, JSP, JavaScript, jQuery, Struts, Apache Wicket, JUnit, Mockito, HTTP, Eclipse, IntelliJ, Maven, SVN, HTML, CSS, HP ALM, Git.

Jun 2014 - Mar 2015

10 months

Java Developer

ING DIBA

Migration of an internal bank CRM application from Apache Struts to the Apache Wicket framework.
Ensured parallel operation of Struts and Wicket interfaces during the migration.
Contributed to IT concepts for new developments and coordinated with business departments.
Developed reusable modules and CSS classes for web usability.
Technologies: Java, JSP, Struts, Apache Wicket, JUnit, Mockito, HTTP, Eclipse, IntelliJ, Maven, SVN, HTML, CSS, Jenkins.

Nov 2012 - Nov 2013

1 year 1 month

Germany

Developer

AKDB

Developed Java software for a central information system for state population registers.
Developed IT concepts for re-engineering the architecture.
Created user stories for the business logic.
Technologies: Java, JUnit, HTTP, JBoss, Hibernate, JDBC, Eclipse, Maven, SVN, HTML, CSS, OSCI, Scrum, PL/SQL, Architecture, Jenkins, Test Automation, CI/CD.

Apr 2011 - Jun 2012

1 year 3 months

Developer

1und1

Developed a web client for mobile devices based on the Java Wicket framework.
Developed reusable modules and CSS classes to standardize web usability.
Technologies: Java, JUnit, JMockit, Wicket, REST, XML, JAXB, JSON, HTTP, Tomcat, Eclipse, IntelliJ, Selenium, Maven, SVN, Git, HTML, CSS, Spring, Scrum, Test Automation.

Nov 2010 - Dec 2010

2 months

Consultant

CBS (Click & Buy)

Created an RFP for a CRM system using requirements engineering.

Aug 2008 - Nov 2009

1 year 4 months

Consultant

E-Plus

Managed the design and implementation of porting a Win32-based registration and activation system to a web service-based system.
Managed the design and implementation of a web service-based dealer interface for customer registration and activation.
Analyzed existing business processes.
Methods: Requirements Engineering, Project Management.

Jan 2007 - Apr 2008

1 year 4 months

Germany

Consultant

Loyalty Partner

Design and development of a monitoring application to oversee interfaces between subsystems like Siebel Hospitality, Loyalty Systems and CRM.
Created a customization guide for the Loyalty Bonus System (LMS) by analyzing a Struts/Hibernate/Spring-based Java EE application.
Designed and developed a C application to initialize and load an Oracle database with one billion records using real data.
Methods: Requirements Engineering.

Oct 2005 - Dec 2006

1 year 3 months

Project Architect

Adidas

Integrated the miadidas environment into the Adidas U.S. eCommerce platform, including user data synchronization.
Developed a data model for miadidas to support new features and existing supply chain applications.
Project architect for the Online Catalog project to optimize customer interaction based on Interwoven Teamsite and Mediabin.
Documented architecture descriptions in UML using the ARIS toolset.
Technologies: Requirements Engineering, Java, JDBC, Oracle, project management.

Jan 2003 - Dec 2005

3 years

Germany

Project Architect, Senior Consultant

Solvatis Consult GmbH & Co. KG

Architect in the miadidas project and the Mercury ITG project to consolidate data models.
Senior logistics consultant for DHL: conducted a study on the use of the Easylog software and developed an analysis application for data sets.
Senior telecommunications consultant: responsible for product management, development, and marketing of the EBPP (electronic bill presentment and payment) product.
Designed and managed system extensions for telecom companies and billers.
Project management for application changes at Talkline.

Jan 2002 - Dec 2003

2 years

United States

Strategy and Concept Developer

Developed strategies and concepts for using the internet in U.S. healthcare.

Jan 2000 - Dec 2002

3 years

United States

Lead Consultant and Architect

PCS One Lancaster

Consulted on migrating user data from the BSCS system to AMDOCS.
Analyzed the BSCS environment and designed and developed solutions to correct invalid data.
Designed and developed an application to migrate user data from AMDOCS to BSCS for prepaid and postpaid customers.
Technologies: Requirements Engineering.

Jan 2000 - Dec 2000

1 year

Greece

Lead Consultant and Architect

Cosmote

Led the migration of a customized BSCS system to a new standard version.
Managed all involved vendors and reported to the board.
Successfully carried out the migration with no impact on revenue or reputation.

Jan 1999 - Dec 2000

2 years

Turkey

Lead Consultant

Turkcell

Analyzed and evaluated billing processes to increase throughput.

Jan 1999 - Dec 2000

2 years

Italy

Lead Consultant and Architect

Wind

Analyzed and designed a Best Option Plan system to determine the optimal rate for customers.
Analyzed and assessed business processes to optimize the billing environment.
Supported management in setting up a local software development team for analysis, design, testing, and deployment.
Methods: Requirement Engineering.

Jan 1999 - Dec 1999

1 year

Israel

Lead Consultant

Orange

Analyzed and evaluated invoice generation processes to improve throughput.

Jan 1995 - Dec 1998

4 years

Malaysia

Lead Consultant and Architect

Binariang

Designed and implemented an interconnect settlement system to support scenarios like equal access.
Solution Architect for extending the GSM system to include fixed line, information, and entertainment services.
Developed an online front end for the ordering process and a duplex interface to BSCS.
Designed an enterprise data model.
Methods: Requirement Engineering.

Jan 1995 - Dec 1998

4 years

Indonesia

Lead Consultant and Architect

Excelcom

Requirements analysis and specification of changes for the BSCS billing system.
Design and implementation of a subsystem to process incoming payment flows from banks.
Design and implementation of a prepaid application for communication with the BSCS system, including supplier management.

Jan 1995 - Dec 1998

4 years

Germany

Lead Consultant and Architect

LHS

Analysis and development of a prototype for a CORBA-based prepaid backend system in Java and C++.
Achieved new throughput benchmarks in tests at Excelcom Indo in Jakarta.
Technologies: Java, C, JDBC, ORACLE.

Jan 1994 - Dec 1995

2 years

Italy

Lead Consultant

Omnitel

Lead consultant for BSCS integration and customization.

Jan 1994 - Dec 1994

1 year

France

Consultant

France Telecom

Integration of the BSCS rating engine into the existing billing system.
Design and implementation of the changes, as well as training of the partner's staff.

Jan 1994 - Dec 1994

1 year

Russian Federation

Lead Consultant

US West

Lead consultant for BSCS integration and customization.

Jan 1992 - Dec 1994

3 years

Germany

Application Developer and Architect

LHS

Responsible for the design and development of the BSCS rating engine.

Jan 1984 - Dec 1992

9 years

Germany

Mathematician / Software Analyst

Dr. Jens Grumann Datenkommunikation GmbH

Selection of mathematical methods for the semi-automatic analysis of software applications.
Development of an application for the semi-automatic documentation of existing COBOL applications as part of an EU-funded project.
Collaboration with leading European universities.

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 Information Technology (19.5 years), Telecommunication (14.5 years), Government and Administration (5 years), Retail (4 years), Banking and Finance (3 years), and Transportation (3 years).

Information Technology

Telecommunication

Government and Administration

Retail

Banking and Finance

Transportation

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 (36 years), Product Development (24.5 years), Project Management (9 years), Research and Development (9 years), Business Intelligence (5.5 years), and Quality Assurance (3.5 years).

Information Technology

Product Development

Project Management

Research and Development

Business Intelligence

Quality Assurance

Skills

Artificial Intelligence

Pytorch
Jupyter Notebook
Pycharm
Langchain

Programming Languages

Java
Javascript
Typescript
C / C++
Java Server Pages
Html, Html5, Dhtml
Xml
Css
Java Script
Basic
Fortran
Cobol
Assembly
Vba
Angularjs
Angular

Databases

Oracle, 7.x To 9.1
Database Design
Database Administration
Sql Programming
Embedded Sql
Microsoft Access
Microsoft Sql Server
Mysql

Web Technologies & Tools

Docker
Kubernetes
Microservices
Continuous Integration / Continuous Development, Cicd, Ci/cd
Test-driven Development
Test Automation
Teamcity
Jfrog Artifactory
Apache Wicket
Swing
Jaxb, Json
Junit, Mockito, Hamcrest
Http
Rest
Rest Apis
Restful Web Services Using Spring
Hibernate
Jdbc
Jquery
Corba
Spring Boot

Operating Systems

Unix, Linux And Derivatives
Microsoft Windows
Windows Server
Macos

Miscellaneous

Apache Web Server
Apache Archiva
Tomcat Jsp Server
Jboss
Macromedia Flash
Adobe Photoshop
Eclipse
Intellij Idea
Selenium
Testng
Maven
Svn
Git
Bitbucket
Atlassian
Oop
Agile Development
Microsoft Excel Xlt
Hp Alm
Jira
Confluence
Artifactory
Jenkins
Jenkins Pipeline
Veracode
Sonarcube
Spring Boot
Soap Ui & Postman
Agile
Scrum

Languages

German

Native

English

Intermediate

Education

Dipl. Math. · Mathematics

Certifications & licenses

ITIL Foundation Certificate

Profile

Created

August 2025

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Frequently asked questions

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

Where is Ralf based?

Ralf is based in Michelbach, Germany and can operate in on-site, hybrid, and remote work models.

What languages does Ralf speak?

Ralf speaks the following languages: German (Native), English (Intermediate).

How many years of experience does Ralf have?

Ralf has at least 37 years of experience. During this time, Ralf has worked in at least 16 different roles and for 29 different companies. The average length of individual experience is 1 year and 2 months. Note that Ralf may not have shared all experience and actually has more experience.

What roles would Ralf be best suited for?

Based on recent experience, Ralf would be well-suited for roles such as: Senior Consultant / Developer, Business Analysis, Test Analysis, Product Owner, Development/Test Team Lead, Consultant.

What is Ralf's latest experience?

Ralf's most recent position is Senior Consultant / Developer at Überall Lokal.

What companies has Ralf worked for in recent years?

In recent years, Ralf has worked for Überall Lokal, Government Agency / Public Sector, and Allianz Global Investors.

Which industries is Ralf most experienced in?

Ralf is most experienced in industries like Information Technology (IT), Telecommunication, and Government and Public Administration. Ralf also has some experience in Retail, Transportation and Logistics, and Banking and Finance.

Which business areas is Ralf most experienced in?

Ralf is most experienced in business areas like Information Technology (IT), Product Development, and Project Management. Ralf also has some experience in Research and Development (R&D), Business Intelligence, and Quality Assurance (QA).

Which industries has Ralf worked in recently?

Ralf has recently worked in industries like Government and Public Administration, Information Technology (IT), and Banking and Finance.

Which business areas has Ralf worked in recently?

Ralf has recently worked in business areas like Information Technology (IT), Business Intelligence, and Quality Assurance (QA).

What is Ralf's education?

Ralf holds a Master in Mathematics.

Does Ralf have any certificates?

Ralf has 1 certificate: ITIL Foundation Certificate.

What is the availability of Ralf?

Ralf is immediately available full-time for suitable projects.

What is the rate of Ralf?

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