Cloud Infrastructure & Architecture (AWS) Compute & Containerization: Docker containerization and orchestration using Amazon ECS (specifically on Fargate). Serverless & Orchestration: Deep knowledge of AWS Lambda for handling WebSocket events/callbacks and AWS Step Functions for business workflow orchestration. Networking: API Gateway (REST and WebSockets) and Application Load Balancer (ALB) for internal routing. Database Management: Experience with relational databases (Amazon Aurora PostgreSQL) and document databases (Amazon DocumentDB). Messaging & Event-Driven Architecture: AWS SNS (pub/sub), SQS (queuing), and SES (email notifications). Security & Identity Authentication/SSO: Proven expertise in integrating Single Sign-On solutions. Must have hands-on experience with both Keycloak and Microsoft Entra ID (Azure AD),
including enabling Azure SSO for enterprise applications (such as Intelligencia AI or similar tools for Merck HealthCare employees) to navigate dual-implementation environments. Cloud Security: AWS IAM for role/permission management and AWS Secrets Manager for credential security. DevOps & Infrastructure as Code (IaC) CI/CD: Proficiency with Azure DevOps, specifically managing source code in Azure Repos and automating builds/deployments via Azure Pipelines. Infrastructure Automation: Solid capability in writing AWS CloudFormation templates and Shell scripts. Observability: Application and infrastructure monitoring, logging, and alarming using Amazon CloudWatch.