Senior AI / NLP Engineer

At PREP, we are on a mission to revolutionize how millions of learners master English and Chinese. We believe in the power of AI to create hyper-personalized and deeply effective learning experiences. We are looking for a visionary AI Engineer to join our world-class team and build the core intelligence that powers our platform, helping students conquer high-stakes exams like IELTS, TOEIC, and HSK.
This is not just another AI job. This is a chance to see your work directly impact learners' lives, helping them achieve their academic and professional dreams.
What You Will Do:
Architect and Develop Advanced NLP Models: Pioneer cutting-edge solutions for a range of educational applications, including:
Automated Scoring & Feedback: Design systems for instant and accurate scoring of essays, pronunciation, grammar, and vocabulary.
Intelligent Learning Assistants: Build sophisticated AI tutors and conversational agents that can understand student queries, provide contextual explanations, and guide them through their learning journey.
Robust Speech Technologies: Implement and fine-tune state-of-the-art Speech-to-Text (STT) and Text-to-Speech (TTS) models to create immersive practice environments.
Pioneer our AI Conversation Partner: Build the core AI for a virtual speaking partner, designed specifically to help users build real-world communication skills through interactive, realistic dialogues with instant coaching.
Research & Implementation: Stay at the forefront of AI research, experimenting with and applying the latest techniques (e.g., Transformers, Large Language Models) to solve unique challenges in language education.
Collaborate and Ship: Work closely with product managers, software engineers, and language experts to integrate your AI models into our products, ensuring they are scalable, efficient, and deliver tangible value to our users.