7 years); Experience with API Development & Protocols: RESTful APIs, GraphQL, gRPC, OpenAPI/Swagger, WebSocket, Server-Sent Events (SSE), Protocol Buffers, JSON Web Tokens (JWT), OAuth 2.0, and SAML 2.0. (7 years); Experience with the following Databases & Data Stores: Oracle Database (version 12c or higher), PostgreSQL, MongoDB (version 4.4 or higher), Cassandra, Redis (version 6 or higher), Elasticsearch (version 6 or higher), and Neo4j.