The ideal candidate will have strong experience in Java/Spring Boot, React/TypeScript, AWS, Kafka, SQL, and observability and a proven ability to design, build, secure, and operate scalable full-stack systems in production . AWS experience shipping production workloads with ECS, EC2 autoscaling, VPC, subnets, security groups, NACLs, S3, RDS/Aurora Postgres, DynamoDB awareness, SQS/SNS, CloudWatch, and Splunk.