Participation in the platform architecture unit within the Enterprise Architecture as part of a strategic cloud transformation program focusing on hybrid cloud architectures, DORA compliance, and cloud sovereignty.

Technical contribution to the securing and modernization of the IT landscape of the former FinTech startup Lenico as part of its integration into the infrastructure of ING-DiBa AG.

• Migration of complex, containerized business applications into globally scalable cloud landing zones based on Microsoft Azure.
• Development of automated security reporting pipelines to meet bank-specific compliance and regulatory requirements (e.g., BAIT, DORA).
• Design and implementation of security-related automation processes along the DevSecOps principle.
• Close collaboration with security, compliance, and infrastructure teams to ensure governance requirements in the cloud environment.
• 24/7 operation of microservices on AKS.

Design and operation of a central observability platform to monitor over 2,000 endpoints ? based on ELK Stack, Grafana, Prometheus, and OpsGenie.

• Development of a scalable logging and monitoring solution with Prometheus, Apache Kafka, Grafana, and integration with the central data lake
• Introduction of self-service functionalities via CI/CD pipelines to reduce manual operational efforts
• Significant improvement in error visibility and reduction of mean time to detection (MTTD)
• Optimization of SLA reporting to increase transparency for end customers
• Close collaboration with IT service management and departments in the areas of network, security, and governance

Responsible for the stable, compliant operation of central banking systems in a highly regulated environment ? as part of an application management outsourcing mandate.

• Operation and continuous optimization of business-critical core banking processes, including intra-day and end-of-day processing as well as SEPA/SWIFT transactions
• Planning and execution of technical migrations in strict compliance with regulatory requirements, including the migration of central core banking components from RHEL 7 to RHEL 8
• Automation of recurring operational tasks to increase efficiency and reduce errors
• Handling incidents and conducting technical analyses as part of 2nd and 3rd level support
• Close collaboration with compliance, security, and specialist departments to ensure smooth and audit-compliant operations

Operation and continuous optimization of customer-specific web and database systems in the e-health and e-commerce sectors ? focusing on performance, scalability, and automated deployments according to ITIL standards in a practiced DevOps culture.

• Technical support and continuous optimization of database-driven web applications with a focus on performance, scalability, and operational security
• Managed hosting and application management for individual customer applications according to ITIL standards
• Operation of standard and custom software based on common web technologies (e.g., TYPO3, Apache/NGINX, Varnish) and database systems (MySQL/MariaDB/Galera Cluster)
• Development of automated CI/CD pipelines with Jenkins and GitLab to increase deployment efficiency
• Implementation of performance tuning measures, including caching strategies (e.g., Redis, Varnish, HTTP caching)
• Working in the DevOps team as 2nd-level support for customer solutions in incident and problem management
• Planning, execution, and testing of operationally relevant changes (including deployments of custom and standard software)