The Chief Technology Officer leads engineering, infrastructure, security, architecture, technical hiring, and distributed team operations. Responsibilities include modernizing a PHP monolith, scaling AWS-based high-traffic systems, managing databases and event-driven services, maintaining PCI DSS and SOC 2 compliance, improving reliability and security, overseeing technical roadmaps, and communicating technology strategy and tradeoffs to executives and business partners. The role is hands-on and requires continued involvement in architecture, performance optimization, incident response, and code when needed.