Trexquant Investment

AI Engineer (CHINA)

Beijing
Level
Mid

Not stated in the posting: salary, work type, visa.

Open. First seen 3 October 2026.

About the role

We are seeking an AI Engineer to join our team. The successful candidate will play a critical role in developing, optimizing, and deploying advanced AI workflows and tools. The role offers a unique opportunity to work on cutting-edge technologies that directly impact our investment strategies.

  • Design and implement systems incorporating large language models (LLMs), vector databases, and other artificial intelligence tools for a variety of quant research applications, including literature review, data search, and code generation.
  • Deploy, monitor, and enhance AI systems, ensuring that solutions are scalable.
  • Partner with portfolio quant researchers to develop AI tools that address specific market opportunities and challenges.
  • Stay abreast of the latest AI developments, contributing to internal thought leadership and pushing the envelope of what can be achieved.
  • Deploy AI models in production environments, ensuring seamless integration with existing infrastructure and real-time market data feeds.
  • Identify potential risks related to AI and ensure appropriate safeguards are in place, especially with regard to model bias and robustness

Requirements

  • Minimum 2 years of hands-on experience working with LLMs, AI or deep learning in a high-performance environment
  • Experience working with large-scale datasets and deploying machine learning models in production
  • Knowledge of modern NLP techniques and frameworks (e.g., tokenizers, transformers, embedding models.)
  • Familiarity with machine learning platforms and tools (e.g., PyTorch, HuggingFace, OpenAI)
  • Strong understanding of algorithmic trading and financial data is a plus
  • Excellent problem-solving abilities, with the capacity to translate complex business requirements into innovative technical solutions

Benefits

  • Competitive salary plus bonus based on performance
  • Collaborative, casual, and friendly work environment

What this role asks for

Particular to this role

Deep Learning · Hugging Face · NLP · Vector Databases

Rare in Trexquant Investment's other 15 open postings.

Standard for data science / ML roles

LLM · Machine Learning · PyTorch

Common in data science / ML postings at any company.

Compared with Trexquant Investment's other open jobs.

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