Senior AI Engineer

Job Description
This is not just another AI job. This is a chance to see your work directly impact learners&039; lives, helping them achieve their academic and professional dreams.
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.
What You Will Do:

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.
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.
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 (S2T) and Text- to- Speech (T2S) models to create immersive practice environments.
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.

Hard Skills Requirements

Strong analytical and problem- solving skills.
Experience in model serving (using RayServe, Triton, TorchServe, etc.) and service integration and deployment is an advantage.
At least 2 years of experience in the field of Natural Language Processing (NLP).
Significant experience with Large Language Models (LLM) is a major advantage.
Proficient use of Git, Docker.
Proficient in applying AI to research and problem solving
Expertise in building, analyzing data, training, and optimizing NLP models.
Experience with data organization systems: Database (Postgres, MySQL), Cache (Redis), Queue (RabbitMQ, Kafka) is an advantage.
Ability to comprehend technical documents, scientific articles, and stay up- to- date with the State of The Art (SOTA).
Bachelor&039;s or Master&039;s degree in Computer Science or related fields.
Proficient in programming languages, especially Python (knowledge of C/C++ is an advantage), and capable of using frameworks such as Tensorflow, Keras, PyTorch.

Soft Skills Requirements

Good communication skills, proactive, flexible at work, collaborative, and friendly within the team.
Fluency in English and Chinese is an advantage.
Careful in work and considerate of customers.
High enthusiasm and responsibility.

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Cập nhật gần nhất lúc: 2026-01-22 15:05:02