Usman RamzanWriting on cloud infrastructure, platform engineering, and fractional CTO work.https://usmanramzan.com/Agentic engineering in production starts with boundarieshttps://usmanramzan.com/writing/agentic-engineering-production-boundaries/https://usmanramzan.com/writing/agentic-engineering-production-boundaries/A practical way to decide where an agent belongs, which tools it can use, what needs approval, and how to evaluate the whole workflow.Fri, 09 Oct 2026 00:00:00 GMTMigrating forty apps from AWS EKS to OCI OKE without downtimehttps://usmanramzan.com/writing/aws-to-oci-forty-apps/https://usmanramzan.com/writing/aws-to-oci-forty-apps/How we moved about forty applications and twenty databases from AWS EKS to OCI OKE across ten teams, and what the migration actually cost in planning.Tue, 14 Jul 2026 00:00:00 GMTWhat fractional CTO work actually looks like: four companies, four very different problemshttps://usmanramzan.com/writing/fractional-cto-four-companies/https://usmanramzan.com/writing/fractional-cto-four-companies/Four fractional CTO engagements: healthcare SOC 2 readiness, a travel-sector AI assistant, manufacturing GDPR remediation, and media operations on AWS EKS.Wed, 20 May 2026 00:00:00 GMT