performance tuning for high-volume integrations, including batching, pagination, payload optimisation, parallel processing and appropriate use of asynchronous patterns. • Implement secure integration patterns using OAuth2, certificates, keys, PGP encryption, secure FTP, allow-listed connectivity and OIC connectivity agents where required. • Support environment configuration, migration between environments, deployment sequencing and release … orchestration. • Strong technical knowledge of REST, SOAP, XML, JSON, XSLT, XPath, schemas, payload mapping and interface validation. • Experience with secure integration design, including OAuth2, certificates, secure file transfer, encryption, connectivity agents and controlled access to integration endpoints. • Experience implementing technical and business error-handling frameworks, including logging, notification, retry, replay ...