• Deliver production software across our TypeScript/React frontend and Python/FastAPI backend — whether writing code directly or steering AI tools to generate it • Build responsive web applications for diverse learners across desktop and mobile • Design and implement scalable APIs to support our learning platform • Develop real-time features for interactive lessons, conversation practice, and learner-coach communication • Integrate Large Language Models for content classification, skill assessment, learner feedback, and personalization • Build information extraction systems to analyze learner responses • Implement AI-powered features for conversation practice and multilingual support • Write clean, well-tested code — and apply the same rigor when reviewing AI-generated output • Actively use and refine AI-assisted development workflows to improve your own productivity • Collaborate with product managers, designers, and education specialists • Contribute to A/B testing frameworks and learning experience optimization