Developed and delivered the Vibe Audiences integration for the segmentio/action-destinations repository, enabling secure audience data synchronization with batching and robust authentication. Focused on end-to-end functionality, the work included implementing audience management features and comprehensive test coverage to ensure operational readiness. Additionally, created detailed user-facing documentation in segmentio/segment-docs, outlining prerequisites, mapping Engage audiences to Vibe, and step-by-step configuration guidance. Emphasized secure handling of personal data and optimized throughput for customer onboarding. Utilized JavaScript and TypeScript for full stack development, API integration, and testing, resulting in a streamlined onboarding flow that supports efficient customer adoption and reduces support needs.