Senior Software Engineer

6/2023 – 12/2024

• Re-design and implementation of invitation ow with 100% rely on Keycloak by wrapping the invitation business logic in SPIs
• Altering of consumer-subscription ow in KONG Gateway and its inhouse-developed connector
• Design and implementation of a new spring service for retrieving API-Status based on analytics processed by Kafka Pipelines
• Integration of customer external request-converter in API consumption using the adapter design pattern
• Discovery and Implementation required changes to support Google apigee
• Driving Discoveries for Integration of SOAP APIs
• Reducing tech debt: mainly in three technologies: Spring Boot, Keycloak, and Kong Gateway
• On-call agent + 3rd level support
• Member in the hiring-team for engineering-positions

API-Entwickler, Docker, Java (allg.), Kubernetes, Mysql, Postgresql, Spring Framework

6/2022 – 5/2023

• Decoupling features from main platform (OPUS) and wrap them in Spring Boot microservices
• Optimization and design of the messaging queues and related infrastructure using Ansible, Karaf, Camel Routes and ActiveMQ
• Development of features in OPUS-CORE (backend and frontend)
• Feuerwehrmann for production incidents

Ansible, Datenbankentwicklung, Docker, Graphql, Java (allg.), Mysql, SQL

2/2018 – 5/2022

• Design and implementation of the different ows in backend and frontend
• Design and maintenance of the data layer (MySQL DB)
• Integrated different Siemens interfaces and APIs into the web application (REST and SOAP)
• Administration and maintenance of production infrastructure
• Led the handover process to IT department for further development

Datenanalyse, Datenbankentwicklung, Datenbankadministrator, Java (allg.)