
Aymen M.
DevOps and Cloud Engineer Docker, CI CD, Kubernetes, Cloud
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Freelance • 1 yr
Software Engineer / Web Developer - Medical Practice Management Platform
Apr 2026 - Present • 5 mos
Designed and developed a full-stack medical practice management platform for a client. Built the backend with Java 21, Spring Boot, Spring Security, REST APIs, Spring Data JPA, PostgreSQL, and Flyway. Developed a React and TypeScript frontend for patient records, appointments, consultations, prescriptions, billing, documents, and reporting. Implemented JWT authentication, role-based access control, audit logs, PDF generation, secure document handling, and automated tests. Containerized the application with Docker Compose and integrated AI-assisted clinical features through the API.
DevOps Engineer / DevSecOps Engineer
Jan 2026 - Aug 2026 • 7 mos
Worked on the modernization of a legacy enterprise application by migrating workloads from Linux VMs to Kubernetes. Containerized Java/Tomcat applications and Cassandra services with Docker, designed Kubernetes deployments using Helm, StatefulSets, Services, Ingress, ConfigMaps, Secrets, probes, HPA, RBAC, NetworkPolicies, and persistent storage. Built CI/CD pipelines with Jenkins, integrated Trivy security scanning and Harbor registry, and implemented GitOps deployments using Argo CD. Set up observability with Prometheus, Grafana, Alertmanager, JMX Exporter, Cassandra Exporter, and ServiceMonitors. Integrated HashiCorp Vault and External Secrets for secure secrets management. Also developed an AI-assisted incident remediation workflow using n8n, Prometheus/Alertmanager, a local LLM, and automated RCA/remediation logic for Tomcat and Cassandra incidents, including health checks, command safety controls, Slack/Jira notifications, and post-remediation validation.