Freelance Data Engineer

Key Responsibilities • Design, build, and maintain production-grade data pipelines across our Snowflake cloud data warehouse • Support ingestion, transformation, and modeling of data from a variety of sources, including digital marketing and advertising platforms, web and analytics tools, CDP-related data flows, partner-provided datasets, and third-party enrichment providers • Build and maintain scalable ELT workflows to support analytics, segmentation, and activation use cases • Support CDP enablement and integration, including preparing data for audience creation, supporting identity inputs and enrichment workflows, and engineering activation-ready outputs for downstream CDPs and marketing platforms • Support secure data collaboration and governed data sharing patterns where needed • Implement and maintain data governance, security, and access controls • Optimize Snowflake performance, cost, and reliability • Troubleshoot pipeline, ingestion, and transformation issues • Document data pipelines, platform patterns, and engineering standards Required / Preferred Experience • Strong hands-on experience with Snowflake as a primary data warehouse • Advanced SQL skills for data engineering use cases • Experience working in AWS-based data environments • Experience building and operating production data pipelines • Experience supporting CDP-related data flows (audience readiness, identity, activation) • Comfortable operating in a lean, high-ownership contract role Nice to Have • Experience supporting CDPs or customer data platforms • Experience with secure data sharing or privacy-safe collaboration • Experience supporting media activation pipelines • Experience with marketing, advertising, and analytics data from an engineering perspective