NLP Engineer (Pre-Senior / Senior)

We are seeking a highly skilled AI Engineer to join our dynamic team. The successful candidate will play a critical role in developing and implementing cutting- edge Natural Language Processing (NLP) techniques to power our AI- driven language learning products. You will work on a variety of applications, including but not limited to:

And more innovative AI- powered education tools
Automated essay scoring
AI- based learning assistants
Pronunciation, grammar, and lexical scoring
Conversational AI systems
Personalized adaptive learning systems

Key Responsibilities:

Collaborate with cross- functional teams including product managers, linguists, and engineers to align AI capabilities with learning goals
Fine- tune Large Language Models (LLMs) for specialized tasks
Design, implement, and optimize NLP pipelines for real- world language learning applications
Contribute to the evaluation and continuous improvement of model performance using both automated and human- in- the- loop methods
Develop agentic systems that support multi- step reasoning, task decomposition, and interactive learning
Utilize Model Context Protocol (MCP) and other LLM orchestration frameworks to build structured, context- aware AI experiences

Hard Skills Requirements:

Proficient use of Git, Docker.
Hands- on experience with building or integrating Agentic AI workflows using tool- augmented agents or function- calling
Bachelor&039;s or Master&039;s degree in Computer Science or related fields.
Solid understanding of LLM fine- tuning, prompt engineering, and low- rank adaptation techniques (LoRA, QLoRA, etc.)
At least 3 years of experience in the field of Natural Language Processing (NLP).
Experience in model serving (using RayServe, Triton, TorchServe, etc.) and service integration and deployment is an advantage.
Ability to comprehend technical documents, scientific articles, and stay up- to- date with the State of The Art (SOTA).
Significant experience with Large Language Models (LLM) is a major advantage.
Proficient in programming languages, especially Python (knowledge of C/C++ is an advantage), and capable of using frameworks such as Tensorflow, Keras, PyTorch.
Expertise in building, analyzing data, training, and optimizing NLP models.
Strong analytical and problem- solving skills.
Experience with data organization systems: Database (Postgres, MySQL), Cache (Redis), Queue (RabbitMQ, Kafka) is an advantage.

Soft Skills Requirements:

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

Salary: Up to 50 million VND.
Flexible working hours, a youthful and dynamic work environment.
KPI bonus based on work results and company revenue (2- 4 million/month), paid in monthly salary.
Salary increases based on performance and contribution.
Health insurance, team building activities, annual vacations.
Note:
By submitting a CV/Resume, along with the information provided by the applicant, and any exchanges during the interview process with Prep (if applicable), the applicant AGREES to Prep&039;s Privacy Policy and the handling of personal data, which is established and issued in accordance with Decree No. 13/2023/NĐ- CP on personal data protection. Additionally, the applicant agrees to allow Prep to collect and store the information provided for the following purposes:
× Collecting personal data and selecting candidates for interviews;
× Contacting and notifying the applicant;
× Assessing the applicant&039;s suitability to select the appropriate candidate for the company&039;s current position

Cập nhật gần nhất lúc: 2026-01-20 17:30:03