June 2025: Delivered MACsec configuration capabilities for Direct Link Gateways in IBM/networking-node-sdk, enabling secure MACsec feature management and CAK lifecycle. Implemented set, update, and unset operations for MACsec, plus management of connectivity association keys (CAKs) to bolster direct link security. Code changes are tracked in a single change with commit 6d935e95b86d219749fc761aa2c291fe418ba57c (feat: direct link macsec changes (#196)). Overall impact: strengthened security posture for direct connectivity, improved policy enforcement, and streamlined MACsec feature management within the Node SDK. Technologies/skills demonstrated: Node.js SDK development, MACsec API integration, CAK lifecycle management, secure connectivity design, Git-based change tracking and review.

April 2025 — IBM/networking-go-sdk - Key features delivered: Integration tests for Log Retention and Opportunistic Onion Setting to validate behavior across multiple scenarios. - Major bugs fixed: Release 0.51.4 with bug fixes and comprehensive testing improvements. - Overall impact: Improved reliability and confidence in production deployments; faster feedback and higher quality releases. - Technologies/skills demonstrated: Go, integration testing, test automation, release engineering, version management, and CI stability.