AI Engineering Jobs in South Korea

AI Engineer (Ads)

Build and optimize AI models for ad targeting and personalization at Toss, a leading fintech company.

AI Engineer (Commerce)

ai langchain llm machine-learning pytorch +2 skills

Build and deploy AI models (LLM, RAG, multimodal) to automate commerce tasks like seller evaluation and product search at Toss’s ecommerce unit.

AI Engineer (Model)

ai deepspeed llm machine-learning quantization +2 skills

Build, train, and evaluate in-house large language models to replace costly commercial LLMs for Toss’s services, focusing on Korean language and domain-specific capabilities.

80 000 000 – 120 000 000 KRW

AI Engineer (Platform)

ai anthropic api gcp llm +5 skills

Build and operate the AI platform that lets teams at Toss rapidly experiment with and deploy LLM-based systems like RAG and Agents, focusing on retrieval, generation, and vector search components.

AI Engineer (Serving)

ai llm machine-learning rag triton +1 skills

Build and optimize production-grade LLM serving systems using frameworks like vLLM and Triton to run large-scale models reliably and efficiently.

Product Manager (LLM)

Leads end-to-end planning, experimentation, and delivery of AI/ML-powered features for a Korean neobank, collaborating with data scientists and engineers to drive user and business impact.

ai llm machine-learning

ai api llm observability rag

Builds and deploys LLM-based AI investment agents for Toss Securities, designing multi-agent systems, tool orchestration, and data pipelines to deliver personalized financial advice while ensuring compliance, explainability, and reliability for millions of users.

AI Engineer (Brain, AIOC)

Open 24d APAC

ai llm machine-learning rag

Build and refine AI agents that converse naturally with customers via text, images, and real-time voice, using RAG, tool calling, and multimodal models to execute business tasks.

120 000 000 – 180 000 000 KRW

FuriosaAI

yesterday

Algorithm - AI Research Engineer Intern

APACInternshipIntern

agentic-ai ai computer-vision deep-learning llm +3 skills

As an AI Research Engineer Intern at FuriosaAI, you will conduct research on advanced AI models, focusing on areas like LLMs and RL, and contribute to the development of a proprietary AI compute platform. You will work with PyTorch and other deep learning tools to build high-performance AI solutions.

FuriosaAI

yesterday

Algorithm - AI Research Engineer

agentic-ai ai computer-vision deep-learning llm +3 skills

AI Research Engineer developing proprietary LLMs for agentic tasks, RL post-training pipelines, and frontier AI research at a Korean AI chip company, primarily using PyTorch and deep learning frameworks.

Amazon

4 days ago

Sr. Solutions Architect - Applied AI for Supply Chain, Korea, Applied AI Solutions Decisions GTM

APACSenior

agentic-ai ai aws cloud go-to-market

Lead the design of enterprise agentic AI architectures for supply chain decision-making at AWS, collaborating with C-suite stakeholders, creating reference architectures, and shaping the AWS product roadmap for the Korea/APJ market.

42dot

6 days ago

LLM Engineer (Data Generation)

Open 59d HybridAPACFull-time

ai airflow api data-quality generative-ai +7 skills

Design, generate, evaluate, and improve LLM training data (instruction, preference, reasoning, domain-specific) and build automated synthetic data generation pipelines using Python and LLMs.

Sendbird

6 days ago

AI Agent Engineer, Intern

Open 75d APACInternshipIntern H-1B sponsor history

agentic-ai ai api aws ci-cd +10 skills

AI Agent Engineering intern at Sendbird (Seoul) building, integrating and deploying intelligent agents using Python, LLM APIs, and web frameworks from prototype to production over an 8–12 week period.

LG AI Research

독자AI파운데이션 모델 개발 Internship (World Best LLM)

APACInternshipIntern

ai huggingface linux python pytorch

Internship developing cutting-edge large language models: training, fine-tuning, benchmarking, and optimizing inference engines for state-of-the-art AI foundations.

휴먼컨설팅그룹

HCG AI x HR R&D Center_AI Engineer

agentic-ai ai erp machine-learning

AI Engineer at HCG's AI x HR R&D Center developing AI Agent services for HR domains (recruitment, evaluation, salary, training) using AI/ML technologies.

버블탭

LLM 엔지니어

ai anthropic api llm openai

LLM Engineer improving AI character chatbot response quality, building recommendation and search systems, and developing ML-based creator tools for a Korean AI chat startup.

비알프레임

LLM 기반 AI Agent 애플리케이션 개발 엔지니어 (Python)