Thumbtack is seeking a Staff Data Platform Engineer to design, build, and maintain scalable data infrastructure that supports analytics and machine learning. Key responsibilities include developing data pipelines, improving data quality, and collaborating with cross-functional teams to enable data-driven decision making. Candidates should have extensive experience in large-scale data systems, proficiency with technologies such as Hadoop, Spark, and SQL, and a strong background in software engineering practices. This is a full-time role based in San Francisco, offering an opportunity to impact Thumbtack's data platform at scale.