DoorDash is seeking a Senior Software Engineer to join their Performance Platform team within the Developer Platform organization. This role focuses on building foundational tools and capabilities that enhance the performance characteristics of systems across DoorDash. The position involves developing developer tools, frameworks, and libraries that help identify and address performance, scalability, and efficiency limitations. The ideal candidate will have 5+ years of backend platform experience and expertise in OOP languages. They'll work closely with cross-functional teams to deliver impactful initiatives while mentoring junior members. The role offers competitive compensation ranging from $130,600 to $285,000 USD based on level and location, plus equity opportunities. DoorDash provides comprehensive benefits including healthcare, 401(k) matching, and parental leave. The company's mission to empower local economies drives their fast-paced, iterative approach to development, making this an excellent opportunity for engineers who want to make a significant impact while growing with a leading technology company.