Hiring: Applied AI / ML Engineer ($150K–$300K + Equity) at a frontier open-source AI lab Company: Harper Location: Seoul, South Korea Job Posted Time: 2026-09-17 00:37:58 Employment Type: On-site Target Skills & Keywords : Deep Learning, Fine-tuning, LLM, LangChain, Machine Learning, PyTorch, Python, RAG About the job Experience: •2+ years as a hands-on IC (data scientist or software engineer) on AI products. Required Skills: •Take state-of-the-art GenAI from research into production — consumer to industrial use cases with real business impact. •Own customer onboarding on the models and APIs: prompting, evals, fine-tuning, and production integration. •Ship the hard stuff — complex fine-tuning, agentic and RAG pipelines — and contribute to the open-source codebases (inference, fine-tuning). •Sit in pre-sales calls and explain the tech straight, no hand-waving. •Feed what you learn in the field back into the models with the research and product teams. Qualifications: •PhD or Master's in AI / data science. •You've fine-tuned LLMs and built advanced RAG or agentic use cases. •Deep grasp of the concepts and algorithms under ML and LLMs — not just the API. •Strong Python; deep learning with PyTorch; agent frameworks (LangChain) and vector DBs. •You can make a complex model decision legible to non-experts. •Fluent in English and Korean. •Bonus: open-source LLM contributions; Forward Deployed / Customer / Sales Engineer, Solutions Architect, or Technical PM background. •Work on open-weight models the whole field builds on — and ship them into production. •Take frontier research to Korean enterprises, hands-on. •Direct collaboration with a global research + product team. Compensation: •Competitive base + Equity — top-tier comp at a world-leading AI lab Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!