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I'm Kostas Demiris, a DevOps and cloud automation engineer specializing in Kubernetes, Terraform, Ansible, and AWS. I design scalable, secure infrastructure, implement GitOps workflows with Argo CD, and build reliable CI/CD pipelines across hybrid cloud environments. Since April 2024 I've been training on a custom dataset for detection/classification, doing synthetic data creation, and real-time object detection with YOLO and OpenCV. I enjoy turning complex engineering challenges into practical, well-documented automation and collaborating with teams to ship robust solutions.…I'm Kostas Demiris, a DevOps and cloud automation engineer specializing in Kubernetes, Terraform, Ansible, and AWS. I design scalable, secure infrastructure, implement GitOps workflows with Argo CD, and build reliable CI/CD pipelines across hybrid cloud environments. Since April 2024 I've been training on a custom dataset for detection/classification, doing synthetic data creation, and real-time object detection with YOLO and OpenCV. I enjoy turning complex engineering challenges into practical, well-documented automation and collaborating with teams to ship robust solutions.

Kostas Demiris

DevOps Developer, Cloud Developer, Data Scientist, +2

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I'm Kostas Demiris, a DevOps and cloud automation engineer specializing in Kubernetes, Terraform, Ansible, and AWS. I design scalable, secure infrastructure, implement GitOps workflows with Argo CD, and build reliable CI/CD pipelines across hybrid cloud environments. Since April 2024 I've been training on a custom dataset for detection/classification, doing synthetic data creation, and real-time object detection with YOLO and OpenCV. I enjoy turning complex engineering challenges into practical, well-documented automation and collaborating with teams to ship robust solutions.…I'm Kostas Demiris, a DevOps and cloud automation engineer specializing in Kubernetes, Terraform, Ansible, and AWS. I design scalable, secure infrastructure, implement GitOps workflows with Argo CD, and build reliable CI/CD pipelines across hybrid cloud environments. Since April 2024 I've been training on a custom dataset for detection/classification, doing synthetic data creation, and real-time object detection with YOLO and OpenCV. I enjoy turning complex engineering challenges into practical, well-documented automation and collaborating with teams to ship robust solutions.

Available to hire

I’m Kostas Demiris, a DevOps and cloud automation engineer specializing in Kubernetes, Terraform, Ansible, and AWS. I design scalable, secure infrastructure, implement GitOps workflows with Argo CD, and build reliable CI/CD pipelines across hybrid cloud environments.

Since April 2024 I’ve been training on a custom dataset for detection/classification, doing synthetic data creation, and real-time object detection with YOLO and OpenCV. I enjoy turning complex engineering challenges into practical, well-documented automation and collaborating with teams to ship robust solutions.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

English

Fluent

Work Experience

Senior Cloud Automation Engineer at Omilia.com

September 1, 2019 - May 1, 2022

Designed auto-scaling on Kubernetes clusters, implemented GitOps with Argo CD, and managed multi-tenant Kubernetes clusters on AWS/Azure using Terraform, Ansible, and Packer. Built and maintained CI/CD pipelines with GitLab Runners; implemented secret management with External Secrets Operator and Vault/AWS Secrets Manager; led monitoring with Prometheus and Grafana; supported DR planning and security automation; contributed to load testing and proactive alerting.

DevOps / QA Automation Engineer at Shoox.com

June 1, 2013 - December 1, 2015

Implemented QA automation workflows; performed load testing with Locust on AWS; created and managed on-demand Selenium Grid on Docker; automated CI/CD with Fabric, Ansible, and Docker; automated AWS resource provisioning with Ansible; mentored two QA engineers; contributed to Kubernetes deployments and monitoring.

Disaster Recovery Specialist at Shoox.com

January 1, 2015 - March 1, 2017

Led DR planning with VPC implementation, CloudFormation/Terraform infrastructure modeling, and warm standby DR strategy; managed RDS versioning and lifecycle policies, Route 53 failover, and RDS failover automation via CloudWatch, boto, and AWS CLI; drove cost optimization through spot instances and DR testing in QA/Production.

DevOps / QA Automation Engineer / AWS Solutions Architect at Shoox.com

April 1, 2017 - Present

Standardized monitoring with Prometheus/Grafana; managed Kubernetes/Swarm deployments with Bash; implemented Terraform/AWS IaC; built dockerized CI/CD pipelines; automated deployment and provisioning of AWS resources using Ansible; guided code reviews and mentored engineers.