AI & Data Platform Engineer - ¥10M – ¥18M /Yearly - Tokyo, Japan (Remote-friendly)

Data & AI Platform Engineer

Compensation: ¥10M – ¥18M

Languages: Japanese and English

Location: Tokyo, Japan (Remote-friendly)

Director positions are also available

We are scaling our Data & AI capabilities and are looking for an engineer who wants to build at the cutting edge of LLMs, AI agents, and data platforms.

With millions of digital assets and a rapidly growing global footprint, the team is investing heavily in AI-driven infrastructure, AIGC, and next-generation content ecosystems.

What You’ll Work On

• Build secure, scalable AI and data platforms from the ground up
• Design and optimize ETL pipelines and data foundations
• Develop LLM-powered systems (RAG, orchestration, MCP)
• Create AI agent workflows for real business use cases
• Build evaluation frameworks for LLM performance
• Integrate internal tools with AI-driven automation

What You Bring

• Experience with data pipelines (Python, Go, Java, etc.)
• Strong knowledge of data warehouses (BigQuery, Snowflake, Databricks)
• Hands-on experience with LLM APIs (OpenAI, Anthropic, etc.)
• Experience building RAG systems (LangChain, LlamaIndex)
• Solid backend engineering skills (APIs, microservices)

Nice to Have

• Experience with Model Context Protocol (MCP)
• Familiarity with vector databases (Pinecone, Weaviate, pgvector)
• Experience with LLM evaluation tools (Ragas, LangSmith)
• Infrastructure-as-Code experience (Terraform)

Who You Are

• Product-minded and customer-focused
• Take ownership and drive impact
• Thrive in fast-paced, collaborative environments
• Curious, hands-on, and detail-oriented

Why Join

• Work on real-world AI systems at scale
• Contribute to the future of AI and content ecosystems
• Join a high-growth, globally expanding team