This full-time Software Engineer, Big Data role at Cognitiv focuses on building and scaling high-performance data systems for an AI-driven advertising platform. The position involves designing large-scale data ingestion and warehousing pipelines, optimizing complex SQL and Spark queries for distributed datasets, and evolving the data platform to support machine learning initiatives. The role requires collaboration with Data Science and Product teams to ensure system reliability across billions of events. This opportunity offers a hybrid work arrangement based in Bellevue with three days in-office and two days remote, alongside a collaborative culture that emphasizes innovation, career growth, and comprehensive benefits including equity and unlimited PTO.