Open English seeks a hands-on CTO / Platform Architect to lead the greenfield buildout of a unified, AI-native learning platform. You will own the technical vision, define the stack, and consolidate legacy systems into one scalable ecosystem for Open English Adult, Open English Junior and Open Mundo.Reporting to the CEO, you will hire senior engineers, establish an agentic engineering culture, and drive architecture decisions that balance speed with security and quality in a fast-moving startup#J-*****-Ljbffr