Frontend: React, Micro Frontends, JavaScript, TypeScript, HTML, CSS, Tailwind, AJAX, Spring MVC, J2EE, Portlets
Backend: Nodejs, Go, Java
API & Integration: GraphQL, REST APIs, Web Services, Microservices
Cloud: AWS
CI/CD: Github actions, Jenkins, BuildKite, Bamboo
COTS Product: Oracle ASAP, Liferay, Pivotal Cloud Foundry, APIGEE/AXWAY for authorization
Databases: Dynamo DB, Postgres, Redis, Couchbase, MongoDB, SQL, PL/SQL, Oracle-12c