Kareem Mostafa

Senior Sre Devops Engineer @flaschenpost SE

Berlin, DE

Stack:Python, Typescript, Kubernetes, Helm, Kustomize, Crossplane, Backstage, Terraform, Scalr, Az DevOps, GitHub Actions, ArgoCD, Datadog, Redis, HashiCorp Vault, Nginx, Cloudflare, Multi-Cloud (AWS, Azure)# Highlights:• Contribute to Cross plane & Backstage - Self Developer Portal project• Automate CI/CD pipelines in Python, Bash scripts, and Terraform modules increasing structure and deployment efficiency• Design, implement, and Plan CI/CD pipelines on Azure DevOps, GitHub Actions, and Jenkins platforms• Define deployment strategies for various edge use cases such as canary, blue/green strategies on ArgoCD• Implement DevSecOps best practices including code linting (Megalinter.io) & container security checks• Migrate FlaschenpostSE Webshop App service from a monolithic architecture to a microservices-based App to AKS• Manage & configure Spot.IO by migrating on-demand AKS nodes to spot-based nodes to optimize costs on AKS, thereby reducing cloud expenses while maintaining performance• Develop & maintain cloud-based microservices on Kubernetes, Helm, Kustomize ensuring scalability and fault tolerance• Manage multi-cloud environments (AWS, Azure), leveraging Terraform, Scalr, & HashiCorp Vault as infrastructure-as-code (IaC) and secrets management• Design, create, and define monitors, logs, and alert definitions for each of Datadog, Grafana, Prometheus, & ELK, and integrate PagerDuty for on-call management• Lead incident management duty and root cause analysis, collaborate with teams via Jira to resolve issues efficiently• Define caching strategies & implement Cloudflare rules to optimize performance• Collaborate with development teams on defining application best practices for scalable, fault-tolerant, and secure application development• Document infrastructure, migration projects, and microservices architectures to ensure knowledge sharing and maintainability• Collaborate with the developers on code reviews and project strategy definition

Arab Academy for Science, Technology and Maritime Transport

Bachelor’s Degree, Computer Science

Technische Universität Berlin

Master’s Degree, Informatik