5–7+ years in a similar domain (loans, lending, servicing, insurance, collections) —need someone who already knows what "delinquency" means and how payment workflows break. Python and SQL fluency — Core to everything they do AWS hands-on experience — OpenSearch/Elastic AWS services — Kubernetes/EKS, ECS, Lambda, API Gateway, DynamoDB, RDS Cloud-based microservices and integration layers GraphQL & APIs GraphQL, VPC, S3, CloudFront, EC2, SNS, SQS, Kinesis, ActiveMQ Backend microservices integration MuleSoft — API integrations, orchestration, and data transformations.