SDE IV Backend / Distributed Systems (AWS) Seattle, WA (SEA44) 9-Month Contract | Senior-Level Candidates Only We are seeking a Senior SDE (Level IV) with deep expertise in event-driven distributed systems on AWS and strong ownership of data lifecycle services for customer/lead data. Must Have:3+ years building production-grade backend systems Strong hands-on experience with AWS EventBridge, Lambda, SQS, Step Functions Experience designing event-driven workflows (orchestration, retries, failur