Migration and modernization of legacy applications from JBoss to Spring/Quarkus. Implementing Jenkins pipeline steps in Groovy for CI/CD automation using Jenkins pipelines, Docker, Helm, and Kubernetes on OpenShift. Source control and collaboration with Bitbucket/GitHub. Integration of Azure-managed databases for scalable, environment-specific deployments. Infrastructure orchestration and release automation aligned with cloud-native best practices.

Designed and built a secure document request system using Java, Spring, Angular, and MinIO, allowing bank employees to send clients unique, expiring upload links. Uploaded files were scanned with ClamAV, encrypted, and stored with metadata in MinIO. The backend integrated with PostgreSQL for data persistence and used OAuth2 for authentication. Deployed on OpenShift (Kubernetes) with monitoring via Prometheus and Grafana, and logged all activity to Elasticsearch for compliance auditing.

Developed a C#/.NET desktop application to improve user experience and usability. Built internal tools using Python, Java/Spring, and Angular to simplify the design process and support daily operations. Designed and implemented a Warehouse Management System integrated with the desktop app to handle high-volume inventory transactions, utilizing optimized MSSQL queries and caching strategies for efficient backend performance. Established a structured data organization and sharing system to enhance collaboration and resource management across.

Contained ransomware and viruses outbreak by isolating affected systems, halting network traffic, and cleanup and recovery, preventing further spread and data loss.