Instacart is seeking a Staff Software Engineer for the Enterprise Fulfillment Platform team to design and build scalable fulfillment systems that optimize grocery delivery. The role involves leading complex projects, collaborating with cross-functional teams, and driving architectural decisions to improve system reliability and performance. Candidates should have extensive experience in software engineering, strong problem-solving skills, and proficiency in relevant technologies. This is a full-time position based in the San Francisco Bay Area with flexible remote work options.