Algorithm Engineer, TikTok E-Commerce (Conversational AI)

TikTok
Seattle
Workplace: OnsiteFull timeFunction: Data Science & Machine LearningExperience: 5+ yearsEducation: bachelorsSkills: []

Build AI-driven conversational customer service systems for TikTok’s global e-commerce platform. Apply LLM post-training techniques (instruction tuning, RLHF, continual learning) and construct benchmark datasets to improve dialogue quality with minimal labeled data. Develop multilingual support and translation, automate dispute resolution and policy-adaptive responses, and define evaluation metrics using A/B testing. Optimize efficiency through compression, quantization, inference optimization, and scalable deployment.

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FursaFursa
TikTok
TikTok
1 month ago

Algorithm Engineer, TikTok E-Commerce (Conversational AI)

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Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 21 hours agoStatus: Live

Job Summary

Build AI-driven conversational customer service systems for TikTok’s global e-commerce platform. Apply LLM post-training techniques (instruction tuning, RLHF, continual learning) and construct benchmark datasets to improve dialogue quality with minimal labeled data. Develop multilingual support and translation, automate dispute resolution and policy-adaptive responses, and define evaluation metrics using A/B testing. Optimize efficiency through compression, quantization, inference optimization, and scalable deployment.
Location: Seattle
Workplace: Onsite
Employment Type: Full time
Job Function: Data Science & Machine Learning
Seniority: Mid level

Key Responsibilities

  • •Design and implement an AI conversational customer service agent for e-commerce inquiries, complaints, refunds, disputes, and logistical issues.
  • •Apply LLM post-training strategies to improve customer support responses and reduce errors and hallucinations.
  • •Develop automated dispute resolution and policy-adaptive AI that verifies transaction details and supports platform compliance.
  • •Build multilingual customer support and translation models for real-time cross-language interactions.
  • •Optimize model compression, quantization, and inference techniques to run at scale with low latency and high reliability.

Key Requirements

  • •Bachelor’s degree (or above) in computer science, computer engineering, statistics, applied mathematics, data science, or a related field.
  • •At least 5 years of work experience in a related field.
  • •Experience fine-tuning, distillation, or reinforcement learning of large language models for conversational AI.
  • •Proficiency in multilingual NLP, machine translation, and cross-lingual dialogue modeling.
  • •Strong foundation in building AI models for conversational customer support scenarios.
Experience:5+ years
Education:Bachelor's in computer science, computer engineering, statistics, applied mathematics, data science or other related disciplines
Tech Stack:Large Language Models (LLMs)NLPInstruction tuningRLHFContinual learningReinforcement learningFine-tuningDistillationMachine translationMultilingual NLPCross-lingual dialogue modelingRetrieval augmented generationMixture of expertsSparse attentionInference time scalingModel compressionQuantizationA/B testingEdge AIInference optimization

Company Brief

TikTok
Short-form video platform that lets users create, share, and discover entertainment content through algorithmic recommendations. It also offers advertising and creator tools for brands, influencers, and businesses.
Industry: Digital Media
Company Size: Enterprise (1,001+ employees)
Growth: Scaleup
Headquarters: Singapore, Singapore
Founded: 2016
WebsiteLinkedIn