DE analyzing and translating software system requirements using Customer Information Control System (CICS), Common Business-Oriented Language (COBOL), Job Control language (JCL), and Virtual Storage Access Method (VSAM); developing system specifications, creating workflow diagrams, and designing next generation corporate action systems, using Draw.io or Microsoft Visio, and Confluence; creating contract first approach based RESTful APIs using swagger; and performing production rollout of high-scale systems using AWS cloud services and REST API. DE supporting enterprise-level initiatives for mainframe modernization to Cloud technologies using AWS cloud services, including AWS Lambda, Simple Storage Service (S3), DynamoDB, autoscaling, and EC2; building pipelines for Continuous Integration and Continuous Delivery/Deployment (CI/CD) using terraform and segments; validating RESTful APIs using Postman or Insomnia; per-forming functional automated testing using Cucumber or Jest; and providing technical support to a product portfolio using ServiceNow.