A Senior Data Developer at Shopify typically has 4-6 years of experience in one or more of the following areas:  Working with the internals of a distributed compute engine (Spark, Presto, DBT, or FlinkBeam) Query optimization, resource allocation and management, and data lake performance (Presto, SQL) Cloud infrastructure (Google Cloud, Kubernetes, Terraform) Security products and methods (Apache Ranger, Apache Knox, OAuth, IAM, Kerberos) Deploying and scaling ML solutions using open-source frameworks (MLFlow, TFX, H2O, etc