JAPAN AI株式会社 Tech Stack

Autonomous AI agents and generative AI platforms for Japanese enterprises

Technology, Information and Internet 新宿区, 東京都 51–200 employees Founded 2023 Privately Held

JAPAN AI builds autonomous agents and generative AI applications for the Japanese market, with a tech stack anchored in PyTorch, TensorFlow, and LLM integrations (ChatGPT, Claude, Stable Diffusion). The company is actively adopting GPT and Stable Diffusion while scaling real-time voice processing and MLOps infrastructure—revealing a shift from batch AI toward low-latency, multi-modal agent systems. Leadership gaps in data and product (one role each) paired with heavy senior/lead engineering hiring suggests the org is scaling execution faster than it's scaling strategy.

Tech Stack 21 technologies

Core StackPyTorch TensorFlow Python AWS Docker Kubernetes PostgreSQL Redis Elasticsearch GitHub Actions Prometheus Grafana Hugging Face Transformers GPU TPU ChatGPT Claude GCP Azure

AdoptingGPT Stable Diffusion

What JAPAN AI株式会社 Is Building

◆Challenges

Rapid business expansion
Diverse client needs
Scaling system for business growth
High load low latency ai services
Improving organization technical skill

▲Active Projects

Ai agent system implementation using llm
Real-time voice processing api development
Mlops pipeline construction
A/b test infrastructure
User behavior analysis system
Self-serve backend system

Hiring Activity

Minimal7 roles · 0 in 30d

Department

Engineering

Data

Product

Seniority

Senior

Lead

Mid

Notable leadership hires: Tech Lead

Company intelligence

Find more companies like JAPAN AI株式会社 by tech stack, pain points and active projects

Get started free

About JAPAN AI株式会社

JAPAN AI, founded in 2023 and majority-owned by publicly traded parent Geenie Corporation, develops autonomous AI agents, enterprise generative AI chat platforms, and speech-to-text meeting transcription tools for mid-market and enterprise customers in Japan. The team has grown to over 100 employees with roughly half of engineers coming from outside Japan, enabling multilingual AI model development. Core products include JAPAN AI AGENT (autonomous system), JAPAN AI CHAT (business generative AI platform), and JAPAN AI SPEECH (automatic meeting minutes). Active projects span real-time voice APIs, MLOps pipeline buildout, and A/B testing infrastructure, reflecting operational maturity at scale.

Headquarters新宿区, 東京都

Company Size51–200 employees

Founded2023

Hiring MarketsJapan

Frequently Asked Questions

What AI models does JAPAN AI use?

PyTorch, TensorFlow, Hugging Face Transformers, ChatGPT, and Claude. The company is actively adopting GPT and Stable Diffusion for image and voice capabilities.

Is JAPAN AI hiring engineers?

Yes. Four open engineering roles (senior and lead level) with minimal recent posting velocity. One tech lead position is also active. All hiring is currently in Japan.

What is JAPAN AI's tech stack?

Core: Python, PyTorch, TensorFlow, Hugging Face. Infrastructure: AWS, GCP, Azure, Docker, Kubernetes, PostgreSQL, Redis, Elasticsearch. Observability: Prometheus, Grafana. CI/CD: GitHub Actions.