Christian Stellwag - Senior Java Developer

Q: Where is Christian based?

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

Q: What languages does Christian speak?

Christian speaks the following languages: German (Native), English (Advanced), French (Intermediate) .

Q: How many years of experience does Christian have?

Christian has at least 30 years of experience. During this time, Christian has worked in at least 3 different roles and for 4 different companies . The average length of individual experience is 8 years and 7 months . Note that Christian may not have shared all experience and actually has more experience.

Q: What is Christian's latest experience?

Christian's most recent position is Senior Java Developer at Freelance .

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

In recent years, Christian has worked for Freelance .

Q: Which industries is Christian most experienced in?

Christian is most experienced in industries like Information Technology , Banking and Finance , and Government and Administration . Christian also has some experience in Manufacturing .

Q: Which business areas is Christian most experienced in?

Christian is most experienced in business areas like Information Technology , Product Development , and Project Management . Christian also has some experience in Marketing .

Q: Which industries has Christian worked in recently?

Christian has recently worked in industries like Banking and Finance , Information Technology , and Government and Administration .

Q: Which business areas has Christian worked in recently?

Christian has recently worked in business areas like Information Technology .

Recommended expert

Munich, Germany

Experience

Mar 2007 - Present

19 years 1 month

Senior Java Developer

Freelance

Numerous projects as a Senior Java Developer or Team Lead in the technical domain, banking sector, public sector, etc. Please ask for a detailed project list. My contact: office(at)stellwag.it

Jan 2001 - Mar 2007

6 years 3 months

Senior Java Developer

EM-SOFTWARE

Development and support of Java applications for internal and external clients

Apr 1996 - Jan 2001

4 years 10 months

Application Developer

Computer 2000 / TechData

Application development and project responsibility for article management, service/returns, CRM and warranty management
Operation, support and further development of in-house software projects
Communication with stakeholders and users
Software development in Java and Gupta 4GL
Optimization of database schemas and access

Aug 1995 - Feb 1996

7 months

Product Marketing

Siemens Matsushita

Product marketing tasks for electronic products

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Information Technology, Banking and Finance, Government and Administration, and Manufacturing.

Information Technology

Banking and Finance

Government and Administration

Manufacturing

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology, Product Development, Project Management, and Marketing.

Information Technology

Product Development

Project Management

Marketing

Summary

As an experienced software developer, I am dedicated to the team and help drive the project to success. Always focused on goals and efficiency in execution, I value quality, sustainability, team spirit, and transparency. I bring both technical and interpersonal expertise to contribute to the company's success.

Skills

Programming Languages: Java 1..25 (Streams, Lambdas, Annotations, Generics), Bash
Methodologies: Object-oriented Software Development, Cloud Native, Tdd, Mdd, Ddd, Dsl, Ci/cd, Devops
Frameworks: Spring, Spring Boot, Quarkus, Eclipse Microprofile, Eclipse Rcp, Junit, Testng, Jmockit, Mockito, Surefire, Failsafe, Maven, Git, Svn, Jee, Jpa, Hibernate
Products, Tools: Intellij, Eclipse, Jenkins, Jira, Confluence
Dbms: Oracle, Microsoft Sql Server, Postgresql, Ibm Db2, H2, Informix, Mysql
Technologies: Osgi, Xml, Rest, Encoding, Tls 1.2, Cryptography, Docker, Cloud Technologies
Operating Systems: Linux, Windows

Languages

German

Native

English

Advanced

French

Intermediate

Education

TUM

Advanced Studies in Labor and Business Sciences · Munich, Germany

Technical University of Munich

Diploma · Technical Physics · Munich, Germany · 1.8

Statistics

Experience

Total positions 4

Experience in Information Technology 30 y

Avg length 7 y 7 m

Longest experience 19 y

Expertise

Recent roles Senior Java Developer, Application Developer, Product Marketing

Main industries Information Technology, Banking and Finance, Government and Administration

Main business areas Information Technology, Product Development, Project Management

Profile

Created

March 2026

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Frequently asked questions

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

Where is Christian based?

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

What languages does Christian speak?

Christian speaks the following languages: German (Native), English (Advanced), French (Intermediate).

How many years of experience does Christian have?

Christian has at least 30 years of experience. During this time, Christian has worked in at least 3 different roles and for 4 different companies. The average length of individual experience is 8 years and 7 months. Note that Christian may not have shared all experience and actually has more experience.

What roles would Christian be best suited for?

Based on recent experience, Christian would be well-suited for roles such as: Senior Java Developer, Application Developer, Product Marketing.

What is Christian's latest experience?

Christian's most recent position is Senior Java Developer at Freelance.

What companies has Christian worked for in recent years?

In recent years, Christian has worked for Freelance.

Which industries is Christian most experienced in?

Christian is most experienced in industries like Information Technology, Banking and Finance, and Government and Administration. Christian also has some experience in Manufacturing.

Which business areas is Christian most experienced in?

Christian is most experienced in business areas like Information Technology, Product Development, and Project Management. Christian also has some experience in Marketing.

Which industries has Christian worked in recently?

Christian has recently worked in industries like Banking and Finance, Information Technology, and Government and Administration.

Which business areas has Christian worked in recently?

Christian has recently worked in business areas like Information Technology.

What is Christian's education?

Christian attended TUM for Advanced Studies in Labor and Business Sciences.

What is the availability of Christian?

Christian will be available full-time from April 2026.

What is the rate of Christian?

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