**Conception and Implemention of the new Merchant Configuration Service:**- FastAPI, MongoDB- Replaces legacy sytem- Dockerized scalable service- Very adaptive without additional deployments – e.g. add new pages/fields on UI- Contains database migration endpoints (legacy SQL to new structure in MongoDB)- Full automated integration test coverage- Asynchronous recursive aggregation pipelines- Built in permission handling- Integrated with “Change Audit Service”… Show more **Conception and Implemention of the new Merchant Configuration Service:**- FastAPI, MongoDB- Replaces legacy sytem- Dockerized scalable service- Very adaptive without additional deployments – e.g. add new pages/fields on UI- Contains database migration endpoints (legacy SQL to new structure in MongoDB)- Full automated integration test coverage- Asynchronous recursive aggregation pipelines- Built in permission handling- Integrated with “Change Audit Service” in order to track all changes made by specific users or to specific merchants, allowing flexible queries**Developing Payment Processing systems** Show less

**Fields of work:**- Creation and maintenance of micro services-- "Merchant Configuration" Service (FastAPI, MongoDB)-- "Change Audit" Service (FastAPI, MongoDB)-- "Buffer" Service (FastAPI, Redis)- Lead Developer for Merchant Dashboard (Django, MariaDB, Apache Druid)- Integration of Payment Processing Systems- Planning and leading integration of architectural changes- Dockerizing Services- Release Manager- Reworking legacy Systems - Detecting and… Show more **Fields of work:**- Creation and maintenance of micro services-- "Merchant Configuration" Service (FastAPI, MongoDB)-- "Change Audit" Service (FastAPI, MongoDB)-- "Buffer" Service (FastAPI, Redis)- Lead Developer for Merchant Dashboard (Django, MariaDB, Apache Druid)- Integration of Payment Processing Systems- Planning and leading integration of architectural changes- Dockerizing Services- Release Manager- Reworking legacy Systems - Detecting and removing vulnerabilities, Improving performance, Scaling the System to handle drastically increased load- Integrating Keycloak- Managing cronjobs on production systems- Guidance for less experienced Developers- Creating Integration Tests- Organizing high load Test environments for FE developers- Creation and Maintenance/Adaptation of Data pipelines**Technology:**- Python (FastAPI, Django), Perl- Docker- MariaDB, MongoDB (local and Atlas), Apache Druid, Redis- Keycloak- Reblaze, Greylog, Nomad, Rundeck- Git (GitLab, Github)- Debian Linux (e.g. Stretch, Buster, Bookworm)**Methodology:**- Agile: Scrum, Kanban Show less

Java, Kotlin, Mobile App Development, Test automation, Release Management, Microservices

Medical Image Processing, C, C++, GUI, Documentation, Unit tests, Research, Product release and version management

Medical Image Processing, C, C++, GUI, Documentation, Unit tests, Research