Over a two-month period, contributed to backend and full stack development across the NousResearch/hermes-agent and moltbot/moltbot repositories, focusing on security, reliability, and maintainability. Enhanced API security in hermes-agent by implementing robust HTTP security headers and updating automated tests to ensure compliance. In moltbot, introduced dynamic WhatsApp authentication directory resolution based on active profiles, improving authentication flexibility. Addressed a critical bug in the Telegram message cache by enforcing messageId typing as a string, preventing cache corruption and lookup errors. Leveraged TypeScript, Node.js, and Python to deliver targeted improvements, emphasizing code health, strong typing, and measurable business value throughout the work.