9 hours ago

Senior Algorithm Engineer, TikTok E-Commerce (Conversational AI)

✓ Verified Job

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

Source: Company careers pageValidated by: Fursa AI

Last checked: 9 hours agoStatus: Live

Job Summary

Build and optimize AI-powered conversational customer service for TikTok’s global e-commerce platform. Design LLM post-training approaches (including instruction tuning and RLHF) with data-efficient learning, construct benchmark datasets for disputes and multi-turn complaints, and develop multilingual support. Improve response quality with evaluation metrics and A/B testing, enable automated dispute resolution and policy-adaptive responses, and optimize model efficiency (compression, quantization, low-latency inference) for 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-driven conversational customer service agent for e-commerce inquiries, complaints, refunds, dispute resolutions, and logistics.
•Apply LLM post-training methods to enhance customer interaction quality, reducing errors and irrelevant or hallucinatory responses.
•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 deployment for scale using compression, quantization, and efficient/low-latency inference, including edge AI deployment.

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 related fields.
•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 ability to apply LLM post-training techniques to optimize conversational customer support responses.

Experience:5+ yearsE-commerceConversational AILarge language modelsNLPMultilingual AI

Education:Bachelor's

Tech Stack:Large Language Models (LLMs)NLPInstruction tuningReinforcement learning from human feedback (RLHF)Continual learningFine-tuningDistillationMultilingual NLPMachine translationCross-lingual dialogue modelingRetrieval augmented generationMixture of expertsSparse attentionInference time scalingDistributed model trainingModel compressionQuantizationEfficient inferenceLow-latency inferenceEdge AI

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

Website LinkedIn

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TikTok

9 hours ago

Senior Algorithm Engineer, TikTok E-Commerce (Conversational AI)

✓ Verified Job

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

Source: Company careers pageValidated by: Fursa AI

Last checked: 9 hours agoStatus: Live

Job Summary

Location: Seattle

Workplace: Onsite

Employment Type: Full time

Job Function: Data Science & Machine Learning

Seniority: Mid level

Key Responsibilities

•Design and implement an AI-driven conversational customer service agent for e-commerce inquiries, complaints, refunds, dispute resolutions, and logistics.
•Apply LLM post-training methods to enhance customer interaction quality, reducing errors and irrelevant or hallucinatory responses.
•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 deployment for scale using compression, quantization, and efficient/low-latency inference, including edge AI deployment.

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 related fields.
•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 ability to apply LLM post-training techniques to optimize conversational customer support responses.

Experience:5+ yearsE-commerceConversational AILarge language modelsNLPMultilingual AI

Education:Bachelor's

Company Brief

TikTok

Industry: Digital Media

Company Size: Enterprise (1,001+ employees)

Growth: Scaleup

Headquarters: Singapore, Singapore

Founded: 2016

Website LinkedIn