9 hours ago

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 AI-powered conversational customer service for TikTok’s global e-commerce platform. Design and deploy LLM-based systems to handle inquiries, disputes, refunds, and seller assistance, with continual improvements via instruction tuning, RLHF, and data-efficient post-training. Construct specialized training datasets, expand multilingual support, and optimize model efficiency (compression, quantization, low-latency inference) while defining evaluation metrics and improving quality through A/B testing.

Location: San Jose

Workplace: Onsite

Employment Type: Full time

Job Function: Data Science & Machine Learning

Seniority: Mid level

Key Responsibilities

•Develop and optimize AI-driven customer service models for high-volume e-commerce inquiries with accurate, reliable responses.
•Enhance LLM-based customer interaction quality using post-training strategies to reduce errors and irrelevant outputs.
•Build automated dispute resolution and policy-adaptive models that verify transaction details and support platform compliance.
•Develop multilingual support and translation models for real-time cross-language customer service interactions.
•Define response evaluation metrics and improve conversational quality via A/B testing, iterative optimization, and scalable deployment.

Key Requirements

•Bachelor’s degree or higher in computer science, computer engineering, statistics, applied mathematics, data science, or a related field.
•At least 3 years of experience in a related field.
•Experience fine-tuning, distilling, or using reinforcement learning of large language models for conversational AI.
•Proficiency in multilingual NLP, machine translation, and cross-lingual dialogue modeling.

Experience:3+ years

Education:Bachelor's

Skills:Cross-lingual communication

Tech Stack:Large Language Models (LLMs)NLPInstruction tuningRLHFReinforcement learningMultilingual NLPMachine translationRetrieval augmented generationMixture of expertsSparse attentionModel compressionQuantizationLow-latency inferenceA/B testing

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

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: San Jose

Workplace: Onsite

Employment Type: Full time

Job Function: Data Science & Machine Learning

Seniority: Mid level

Key Responsibilities

•Develop and optimize AI-driven customer service models for high-volume e-commerce inquiries with accurate, reliable responses.
•Enhance LLM-based customer interaction quality using post-training strategies to reduce errors and irrelevant outputs.
•Build automated dispute resolution and policy-adaptive models that verify transaction details and support platform compliance.
•Develop multilingual support and translation models for real-time cross-language customer service interactions.
•Define response evaluation metrics and improve conversational quality via A/B testing, iterative optimization, and scalable deployment.

Key Requirements

•Bachelor’s degree or higher in computer science, computer engineering, statistics, applied mathematics, data science, or a related field.
•At least 3 years of experience in a related field.
•Experience fine-tuning, distilling, or using reinforcement learning of large language models for conversational AI.
•Proficiency in multilingual NLP, machine translation, and cross-lingual dialogue modeling.

Experience:3+ years

Education:Bachelor's

Skills:Cross-lingual communication

Company Brief

TikTok

Industry: Digital Media

Company Size: Enterprise (1,001+ employees)

Growth: Scaleup

Headquarters: Singapore, Singapore

Founded: 2016

Website LinkedIn