John Flionis
Platform & Security Engineer · SRE
Builds and scales cloud platforms for containerised microservices. Production experience with AI services handling millions of requests a day, fintech products and applied security research.
- Moved production workloads from local deployments to managed Kubernetes in the cloud
- Introduced infrastructure as code and GitOps for automated cluster provisioning
- MSc in Electrical & Computer Engineering with a thesis in web application cybersecurity
Skill sheet
John Flionis
- Cloud & infrastructure as code
- AWS, EKS, Terraform, migrations from local deployments to managed Kubernetes
- Kubernetes delivery
- Helm, Kustomize, Argo CD, GitOps workflows, CI/CD pipelines
- Reliability
- SRE practice, incident response, performance analysis, production troubleshooting
- Observability
- Prometheus, Grafana, Elastic Stack, log management
- Security
- Information security, web application security, intrusion detection research with machine learning
- Data & tooling
- PostgreSQL, Redis, RabbitMQ, Python automation
- Sectors
- AI and machine-learning services, fintech, applied research in 5G security and health data
- Education
- BSc and MSc in Electrical & Computer Engineering, thesis in web application cybersecurity

