During October 2024, Visor Telle developed comprehensive documentation for transaction isolation levels in the apache/pulsar-site repository, focusing on READ_COMMITTED and READ_UNCOMMITTED modes. By standardizing guidance across multiple versioned files, Visor improved consistency and discoverability for Pulsar developers. The work included a practical Java code example demonstrating how to configure READ_UNCOMMITTED, pairing clear explanations of isolation behavior with actionable implementation steps. Using Markdown and Java, Visor addressed common onboarding challenges and reduced the risk of misconfiguration. This contribution showcased strong documentation skills and domain knowledge of Pulsar transactions, delivering depth and clarity to the project’s developer-facing resources.