Freelancer profile translated to English.

Description

Experienced Senior Software Developer and IT Consultant with many years of project experience in the development of complex enterprise systems. Focus on Java-based full-stack applications, microservice architectures, and stable backend solutions in regulated environments.

Very experienced in banking and insurance projects, from requirements analysis through architecture & implementation to maintenance and further development of productive systems. High degree of independence, quick familiarization, and secure communication with business departments.

Industry field of expertise

Languages

German
Native or bilingual
English
Fluent

Workplace preferences

Can work on-site

Braunschweig (up to 50km)

ivv GmbH
Policy management system for administration and creation of offers/applications for composite insurance
BANKING AND INSURANCE
July 2019 - December 2025 (6 years and 5 months)
30 Hanover, Germany
Conception, development, and maintenance of a web application as a policy management system based on a JEE backend and a Vaadin-based UI
Conception and development of interfaces
Database connectivity
Conception and development of unit and integration tests
Conceptual coordination with the client
Setup of the CI/CD infrastructure
Technologies and methods
JEE, Jakarta EE, Vaadin, EJB, Innovator, Hibernate, SQL, Maven,
Selenium, Arquillian, Mockito, JUnit, Log4j, OOA, OOD, Kanban,
JavaScript, HTML, CSS, Jenkins, IntelliJ, Git, GitLab, Subversion,
Jira, Confluence, DB2, WebLogic, Kubernetes, Docker
JakartaEE Vaadin Gitlab CI/CD JPA/Hibernate Selenium
Deutsche Bank
Policy management systems for internal and external sales and administration
BANKING AND INSURANCE
April 2016 - December 2018 (2 years and 8 months)
65760 Eschborn, Germany
Consulting, conception, and development
Conception, development, and maintenance of a web application for the front office (branches) based on Apache Wicket and Struts
Redevelopment of this web application based on Angular
Conception, development, and maintenance of a desktop application for the middle office based on Eclipse RCP/OSGi
Conception, development, and maintenance of microservices in a backend system based on a microservice architecture
Development and deployment of RESTful and JMS services
Database connectivity
Conception and development of unit tests and integration tests
Conceptual coordination with the client
Technologies and methods
Java, Wicket, OSGi, Eclipse RCP, SWT, Microservices, REST,
JMS, SOA, Spring Boot, Spring Data, Spring MVC, Spring
Integration, Hibernate, JAXB, SQL, Oracle DB, SoapUI, Git,
GitFlow, Maven, Mockito, JUnit, Log4j, OOA, OOD, Scrum,
JavaScript, Angular, TypeScript, Kubernetes, Artifactory,
TeamCity, Jenkins, Subversion, HP ALM, Jira
Spring Framework Angular Microservices Kubernetes OSGi
Deutsche Verrechnungsstelle
Backend development for web portals for managing invoices and customers
BANKING AND INSURANCE
January 2016 - March 2016 (2 months)
Frankfurt, Germany
Conception, development, and maintenance of microservices in a backend system based on a microservice architecture
Development and deployment of RESTful services
Database connectivity
Conception and development of unit tests and integration tests
Conceptual coordination with the client

Technologies and methods
Java, Microservices, REST, SOA, Spring Boot, Spring Data, Spring
MVC, Spring Integration, MongoDB, Git, GitFlow, Maven, Mockito,
JUnit, Log4j, OOA, OOD, Kanban, JavaScript, AngularJS
Microservices Spring Framework CI/CD Angular MongoDB