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Shopee

Senior Algorithm Engineer Recommendation System (Customer Service Chatbot)

Shopee
Vietnam
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Job Description

Job Description:

  • Design and develop core components of the chatbot's intent recommendation and to-agent smart system, with emphasis on user behavior sequence modeling and causal inference to enhance recommendation accuracy and relevance with consideration of agent cost.
  • Modeling user's CS behavior based on user profiles and historical interaction data in Shopee's e-commerce customer service ecosystem to accurately infer user's true intent.
  • Collaborate with product managers, operations specialists, and backend engineers to ensure seamless integration and successful deployment chatbot recommendation systems.
  • Stay up to date with advancements in recommendation technologies-including generative recommendation, retrieval-augmented generation (RAG), supervised fine-tuning (SFT) - and apply them to improve the chatbot's core capabilities.

Requirements:

  • Master's degree or above in Computer Science, Artificial Intelligence, or a related discipline.
  • Solid experience with the architecture and optimization of end-to-end recommendation systems, including retrieval, coarse ranking, fine ranking, and hybrid ranking stages.
  • Familiarity with mainstream recommendation models (e.g., FM, DIN, DIEN, MMoE, SIM) as well as LLM-based generative recommendation models (e.g., HSTU, NoteLLM).
  • Proficient in Python and experienced with deep learning frameworks such as PyTorch or TensorFlow.
  • Strong analytical and problem-solving abilities, with a passion for building intelligent, user-centric products.
  • Experience in training and fine-tuning large language models using techniques such as supervised fine-tuning (SFT) or reinforcement learning (RL).
  • Prior experience developing or optimizing algorithms for large-scale recommendation, search, or advertising systems.
  • Experience in chatbot algorithm development is a strong plus.

More Info

Job Type:
Permanent Job
Industry:
Internet/E-commerce
Function:
Artificial Intelligence
Employment Type:
Full time

About Company

Shopee

Shopee Pte. Ltd. is a Singaporean multinational technology company that specialises in e-commerce. The company was launched in Singapore in 2015, before it expanded abroad. As of 2021, Shopee is considered the largest e-commerce platform in Southeast Asia with 343 million monthly visitors.

Job ID: 124737413

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Last Updated: 01-04-2026 05:37:45 PM
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