9 hours ago

Machine Learning Engineer (AI Search ) - TikTok Search

✓ 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 improve LLM-powered AI Search experiences for TikTok, including search question-answer cards and an official AI assistant. You’ll develop AI search agents with planning, memory, and tool use, strengthen multi-turn query understanding, and optimize RAG and LLM pipelines for retrieval, ranking, and answer generation. Translate agent/LLM research into production by collaborating with cross-functional teams to ship product upgrades.

Location: Singapore

Employment Type: Full time

Job Function: Data Science & Machine Learning

Seniority: Mid level

Key Responsibilities

•Build AI Search agents with planning, memory, and tool-use capabilities using end-to-end reinforcement learning and automated decision-making.
•Enhance LLM-based query understanding for multi-turn conversations, including semantic analysis of queries and documents to improve reasoning-based results.
•Optimize RAG and LLM pipelines by improving retrieval and ranking algorithms and training/optimizing LLMs for answer generation.
•Improve relevance and structured presentation of search results.
•Translate agent/LLM research into production in collaboration with cross-functional teams to deliver product upgrades.

Key Requirements

•5+ years of experience in machine learning in a fast-paced, high-growth environment
•Proficiency in C++ and Python with strong algorithms and data structures (e.g., retrieval, graph algorithms)
•Basic understanding of LLM fundamentals such as prompt engineering and fine-tuning workflows
•Strong problem-solving skills with a track record of delivering technical projects
•Hands-on experience with LLM/agent technologies including RAG optimization and RLHF/SFT or agent framework development

Experience:5+ yearsFast-pacedHigh-growthMachine learning

Skills:Problem-solvingCommunicationCollaboration

Tech Stack:Machine LearningC++PythonLLMPrompt engineeringFine-tuningRetrievalGraph algorithmsRAGReinforcement learningKnowledge representationRLHFSFTAgentChatBotInference optimizationSemantic analysisLLM reasoning

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

Machine Learning Engineer (AI Search ) - TikTok Search

✓ 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: Singapore

Employment Type: Full time

Job Function: Data Science & Machine Learning

Seniority: Mid level

Key Responsibilities

•Build AI Search agents with planning, memory, and tool-use capabilities using end-to-end reinforcement learning and automated decision-making.
•Enhance LLM-based query understanding for multi-turn conversations, including semantic analysis of queries and documents to improve reasoning-based results.
•Optimize RAG and LLM pipelines by improving retrieval and ranking algorithms and training/optimizing LLMs for answer generation.
•Improve relevance and structured presentation of search results.
•Translate agent/LLM research into production in collaboration with cross-functional teams to deliver product upgrades.

Key Requirements

•5+ years of experience in machine learning in a fast-paced, high-growth environment
•Proficiency in C++ and Python with strong algorithms and data structures (e.g., retrieval, graph algorithms)
•Basic understanding of LLM fundamentals such as prompt engineering and fine-tuning workflows
•Strong problem-solving skills with a track record of delivering technical projects
•Hands-on experience with LLM/agent technologies including RAG optimization and RLHF/SFT or agent framework development

Experience:5+ yearsFast-pacedHigh-growthMachine learning

Skills:Problem-solvingCommunicationCollaboration

Company Brief

TikTok

Industry: Digital Media

Company Size: Enterprise (1,001+ employees)

Growth: Scaleup

Headquarters: Singapore, Singapore

Founded: 2016

Website LinkedIn