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Senior AI Agent Engineer (Intelligence Service)

Pangyo (Software Dream Center), South Korea💼 Full-time🗓 2026-07-22 → 2026-07-31

Core

Design, serve, and operate RAG-based agent orchestration to enable interactive knowledge agents to provide accurate and reliable answers.

Role type

Senior IC AI Agent Engineer (Intelligence Service)

Builds

Production RAG-based agent systems with query understanding, planning, tool routing, retrieval, and response generation flows.

Domain

Generative AI, Large Language Models (LLM), Agent Orchestration, Retrieval-Augmented Generation (RAG)

Deliverable

production ML models

Required skills

Python, Backend/AI service design and operations, RAG, LLM application development, LLM agent orchestration, Log and metric analysis for quality improvement, System architecture design

Preferred skills

LangGraph, Tool calling, Planner/synthesizer development, Hallucination defense and guardrails, LLM evaluation frameworks (RAGAS), Vector search (OpenSearch, Elasticsearch, MongoDB Atlas), Embedding and reranking, AWS/Kubernetes/Helm/Kafka operations, Vehicle/Voice assistant experience, Technical leadership and mentoring

Technologies

Python, LangGraph, OpenSearch, Elasticsearch, MongoDB Atlas, AWS, Kubernetes, Helm, Kafka

Responsibilities

Design and optimize RAG-based agent flows from query understanding to response generation; Implement logic for grounding, answer verification, guardrails, and fallbacks to prevent hallucination; Build evaluation harnesses, regression tests, and A/B testing systems for answer quality; Establish backend infrastructure including API contracts, caching, and prompt registries; Analyze operational logs and quality metrics to improve latency and failure cases; Lead design reviews and technical decision-making.

Seniority

Senior, hands-on IC with technical leadership

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