Full-Stack Engineer (Secure Computing / AI Platform) - 9M/Full-Remote(Japan)

• Develop web service infrastructure for secure-computing products
• Build UIs using React / TypeScript and APIs using FastAPI / Python
• Design data models and search infra with PostgreSQL / Qdrant / OpenSearch
• Design & operate LLM / RAG systems using OpenAI / Azure OpenAI

• Work in R&D areas like secure computation + LLMs, and ship real products
• Engage in both in-house SaaS and enterprise solution projects
• Cloud-native stack (AWS + K8s + React/FastAPI)
• Multinational, cross-functional environment with English usage
• Work closely with experts in AI and cryptography

• 3+ years full-stack web development
• Practical experience with React/TypeScript or similar SPA
• API development with Python (FastAPI etc.)
• PostgreSQL & Docker ops experience
• Team dev via Git/GitHub
• AWS experience (EKS/ECS, RDS, Lambda etc.)
• English business level + Japanese conversational level or above

If this position is not ideal for you, but you are looking for a new opportunity,please contact us to discuss your options.