About Johanna
French
Native or bilingual
German
Native or bilingual
Experience
- IT-Beratung Kuhlmann GmbHJava/Fullstack/Database DeveloperAugust 2010 - Today (15 years and 10 months)Hamelin, GermanyAs a manager, project leader, and software developer, I carry out software development projects for my clients.Business management, project management, management, design, conception, and software development.Java (incl. Fullstack), J2EE, GWT, JSP, JSF, Eclipse, Tomcat, Hibernate, JDBC, OSGiCryptography and authenticationMySQL/MariaDB and Oracle databases, SQLWindows, Linux, Mac OS XCVS, SVN/Subversion, Git, ConceptDraw Project
- Softzoll GmbH & Co KGJava/GWT DeveloperFebruary 2014 - November 2025 (11 years and 9 months)Berlin, GermanyCreation of a Web application for the administration, configuration, and monitoring of data exchange between large companies, designed in Java/GWT with access to MySQL/MariaDB databases.Java, J2EE, Google Web-Toolkit GWT, Javascript, MySQL/MariaDB, JDBC, MS-Office export via Apache PdfBox/POI, cryptography with AES, RSA, SHA2, Keystores, Strong authentication with OTP and TOTP, Server-Sent-Events
- Deutsche Telekom AGDeveloperTELECOMMUNICATIONSJanuary 2023 - April 2023 (4 months)Darmstadt, GermanyProject in the field of evaluation, processing, and visualization of data.Groovy, Gradle, Grails, PostgreSQL, Oracle, Metabase, Datatables, PlantUML
Recommendations
Be the first to recommend Johanna
Help this freelancer shine by sharing your experience working together.
These freelancer profiles also match your criteria
Agatha Frydrych
Backend Java Software Engineer
4.7
(3)
2
Baptiste Duhen
Fullstack developer
4.6
(4)
5
Amed Hamou
Senior Lead Developer
4
(2)
7
Audrey Champion
Web developer
4.3
(3)
4