During January 2025, Szechi Wang focused on backend development in the medusajs/medusa repository, addressing reliability issues in the event-driven architecture. Wang delivered a targeted bug fix for the Event Bus Redis startup sequence, resolving a race condition where event processing could begin before all subscribers were fully loaded. By implementing explicit autorun control for the event-bus-redis worker in Node.js and TypeScript, Wang ensured that event processing starts only after the application is fully initialized. This approach improved startup determinism and event ordering, enhancing the reliability of the event pipeline. The work demonstrated depth in diagnosing and resolving complex startup sequencing issues.