Erwan Simon, cloud and data consultant. Writing about data and cloud engineering: what works in production, what doesn't, and why.https://erwan-simon-blog.vercel.app/https://erwan-simon-blog.vercel.app/blog/did-platform-engineering-kill-devops/https://erwan-simon-blog.vercel.app/blog/did-platform-engineering-kill-devops/Job boards are full of platform engineers, and DevOps engineers seem to be vanishing. Did platform engineering replace DevOps, or did it just duplicate it?Mon, 21 Sep 2026 00:00:00 GMTplatform-engineeringdevopshttps://erwan-simon-blog.vercel.app/blog/how-to-test-amazon-emr-serverless-jobs-locally-using-docker/https://erwan-simon-blog.vercel.app/blog/how-to-test-amazon-emr-serverless-jobs-locally-using-docker/Learn how to test your Amazon EMR Serverless jobs locally using Docker to ensure seamless development and debugging.Tue, 21 Jan 2025 00:00:00 GMTawsdatahttps://erwan-simon-blog.vercel.app/blog/should-you-use-aws-glue-crawlers/https://erwan-simon-blog.vercel.app/blog/should-you-use-aws-glue-crawlers/Using AWS Glue crawlers when building a Datalake in AWS seems a good idea, yet, in most cases, I don't advise it. Here's why.Thu, 16 Nov 2023 00:00:00 GMTawsdatahttps://erwan-simon-blog.vercel.app/blog/should-your-platform-abstract-everything/https://erwan-simon-blog.vercel.app/blog/should-your-platform-abstract-everything/Abstracting everything in your platform is a tempting kind of elegance, but every case you absorb makes it harder to operate and slower to evolve. The real elegance is a platform you can still maintain in three years.Wed, 30 Sep 2026 00:00:00 GMTplatform-engineeringdevops