DoorDash Backend Software Engineers in Sunnyvale develop core services for our delivery platform. You will design and implement RESTful APIs handling peak traffic surges. Optimize PostgreSQL databases for order matching efficiency. Collaborate on microservices for merchant integrations. Tackle daily challenges like latency reduction in rider dispatch systems. Candidates need a BS in Computer Science or equivalent. Bring 4+ years in backend development. Proficiency in Java, Go, or Python essential. Experience with AWS and Docker required. Master distributed systems and API design. Demonstrate strong problem-solving. Thriving, innovative culture. Competitive compensation.