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Senior Algorithm Engineer - TikTok Location Based Services (Singapore)

Singapore💼 Full-time🗓 2026-09-28

Core

Design and develop algorithms for TikTok's in-house POI data construction, Agent modules, and LLM applications to improve data quality and connect users with local services.

Role type

Senior Algorithm Engineer (LLM & Agent Systems)

Builds

POI data infrastructure, Agent modules (tool invocation, memory, skill orchestration), and LLM-based retrieval systems for TikTok Local Services.

Domain

Location Based Services (LBS), Point of Interest (POI) data, Large Language Models (LLM), AI Agents

Deliverable

production ML models

Required skills

data mining, deep learning, large language models (LLM), system design, problem diagnosis, AI coding workflows, model iteration, non-deterministic system handling

Preferred skills

LLM fine-tuning and preference learning, Agent/Skill/Memory module design, production experience with recommendation/search systems, end-to-end cross-domain project delivery

Technologies

LLMs, Agent frameworks, AI toolchains

Responsibilities

Design algorithms for POI data mining, quality evaluation, and intelligent review; implement core Agent modules with self-healing capabilities; build evaluation frameworks for non-deterministic outputs; apply LLMs to POI scenarios via fine-tuning and knowledge base construction; drive algorithm iteration based on data insights.

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