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&039; 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.
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.
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.
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.
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.
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.
Hard Skills Requirements:
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.
Proficient in applying AI to research and problem solving
At least 2 years of experience in the field of Natural Language Processing (NLP).
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.
Experience in model serving (using RayServe, Triton, TorchServe, etc.) and service integration and deployment is an advantage.
Significant experience with Large Language Models (LLM) is a major advantage.
Proficient use of Git, Docker.
Strong analytical and problem- solving skills.
Ability to comprehend technical documents, scientific articles, and stay up- to- date with the State of The Art (SOTA).
Soft Skills Requirements:
High enthusiasm and responsibility.
Careful in work and considerate of customers.
Good communication skills, proactive, flexible at work, collaborative, and friendly within the team.
Fluency in English and Chinese is an advantage.
Benefits:
KPI bonus based on work results and company revenue (2- 4 million/month), paid in monthly salary.
Flexible working hours, a youthful and dynamic work environment.
Salary increases based on performance and contribution.
Health insurance, team building activities, annual vacations.
Salary: Up to 40 million VND.
Location: 34 Lang Ha Ward, Dong Da District, Ha Noi City.
Hours: From Monday to Friday (40 hours/Week)