Senior LLM Engineer (Generative AI & AI Agents) - Tokyo, Hybrid

Superstars • Japan

Visa Sponsorship Relocation

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AI Summary

Join Superstars as a Senior LLM Engineer to develop enterprise-grade Generative AI applications, RAG systems, and AI Agents for Japanese clients. You’ll design production-ready solutions, integrate leading LLM APIs, and collaborate with AI consultants and data scientists. Requires 1+ years of commercial AI/ML experience, strong Japanese fluency, and hands-on expertise in LLMs and prompt engineering.

Key Highlights

Develop enterprise Generative AI applications, RAG, and AI Agent solutions for Japanese clients

End-to-end responsibility from PoCs to production deployment with LLMOps/MLOps

Collaborate with AI consultants, data engineers, and ML specialists in a fast-growing AI consultancy

Key Responsibilities

Design and develop enterprise applications using LLMs and Generative AI for Japanese clients

Build Retrieval-Augmented Generation (RAG) systems and AI Agent architectures

Integrate and optimize leading LLM APIs while crafting high-performance prompts

Support proof-of-concepts through full production deployment with LLMOps/MLOps practices

Collaborate with AI consultants, data engineers, and ML specialists in a hybrid Tokyo environment

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Technical Skills Required

Large Language Models (LLMs) Prompt Engineering Python

Benefits & Perks

Visa sponsorship

Relocation support

Permanent employment

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Nice to Have

Experience with MLOps

Knowledge of AI Agents

Business-level English

Job Description

🚀 LLM Engineer

💰 Salary: JP¥6M–10M + Visa Sponsorship + Relocation Support

📍 Location: Tokyo (Hybrid) | 📝 Permanent | ⚡ 1-Stage Interview

Ready to build the next generation of AI applications?

We're looking for an LLM Engineer to join a fast-growing AI consultancy delivering cutting-edge Generative AI, Large Language Models (LLMs), RAG, and AI Agent solutions for enterprise clients across Japan.

If you're passionate about turning the latest AI technologies into real-world business solutions, this is your chance to work alongside experienced AI consultants and data scientists on production-ready GenAI projects.

What You'll Do

✅ Develop enterprise applications using LLMs and Generative AI

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