AI jobs for AI and machine learning engineers in Japan

733 open roles for AI and machine learning engineers at 355 companies in Japan. None of them states a citizenship or security-check demand. 10 mention relocation support.

Rebuilt 23 Oct 2026
open roles
733
companies
355
open to any nationality
100%
median stated pay
$60k

Companies hiring

CompanyOpen rolesAny nationalityRelocation
Bjak18100%
Fixstars11100%
Ridge-i10100%
CyberAgent10100%
Emuni10100%
Cygames10100%
Athena Technologies10100%
Woven by Toyota9100%
VRAIN Solution9100%
LayerX9100%
NTT DATA9100%
OpenAI8100%7
NEC8100%
SoftBank Corp8100%
DXC Technology7100%

Newest roles

Mercari

mercari.com
mercari.com • HQ: Tokyo, Japan • Secondhand • Marketplaces • 1001-5000 employees • Est. 2013 • Trust A • Hiring 120, 6 new
HQ: Tokyo, Japan • Secondhand • Marketplaces • 1001-5000 employees • Est. 2013 • Trust A • Hiring 120, 6 new
Mercari is a Japanese company that operates the Mercari marketplace app, where individuals buy and sell new and pre-owned items such as fashion, electronics, collectibles and home goods, with built-in shipping and payment services. Founded in 2013 and listed on the Tokyo Stock Exchange, it also runs the Merpay mobile payment service and a marketplace in the United States. The company is headquartered in Tokyo, Japan.
Fumiaki Koizumi · Executive Officer, Director · decision-maker
Shintaro Yamada · Executive Officer, Director · decision-maker
Masashi Namatame · Director
Makiko Shinoda · Director
No careers mailbox known
Verified live · 4 hours ago 2 days ago Hiring now · 90%

Machine Learning Engineer (Deep Learning), Credit ML - Merpay

In office (Minato, Japan) • Full-Time • Japanese • English (Optional)
Transformers
Pre-training
Interpretability
PyTorch
LLM
Machine Learning
Fine-tuning
Quantization
Knowledge Distillation
Transfer Learning
Model Distillation
DevOps
AWS
GCP
+5
Apply
Verified live · 4 hours ago 4 months ago Fading · 32%

Senior Machine Learning Engineer, Credit ML - Merpay

≈ $49k – $105k per year (Estimated) • Senior • In office (Minato, Japan) • Full-Time • Senior • English (Optional) • Japanese
SQL
AI/ML
Scikit-learn
LightGBM
Interpretability
PyTorch
Machine Learning
Reinforcement Learning
DevOps
SLI/SLO/SLA
AWS
GCP
+2
Apply

NTT DATA

nttdata.co.jp
nttdata.co.jp • HQ: Tokyo, Japan • 1001-5000 employees • Est. 1967 • Hiring 200, 3 new
HQ: Tokyo, Japan • 1001-5000 employees • Est. 1967 • Hiring 200, 3 new
NTT DATA is a premier global information technology services, digital engineering, and business consulting enterprise. Headquartered in Tokyo, Japan, the company operates as a core subsidiary of the Nippon Telegraph and Telephone (NTT) Group, providing comprehensive system integration, cloud modernization, enterprise application management, data analytics, and cybersecurity solutions. Tracing its origins back to NTT's data communications division founded in 1967 and officially established as an independent corporation in 1988, NTT DATA operates across more than 50 countries, serving a significant portion of the Fortune Global 100 with large-scale digital transformation initiatives across financial services, public sector, healthcare, manufacturing, and telecommunications.
No named decision-maker yet.
No careers mailbox known
In office (Tokyo, Japan)
Model Context Protocol
AI Agents
DevOps
Azure
AWS
Apply

Koei Tecmo

koeitecmo.co.jp
koeitecmo.co.jp • HQ: Yokohama, Japan • Game Development • Mobile Games • Est. 2009 • Hiring 11, 1 new
HQ: Yokohama, Japan • Game Development • Mobile Games • Est. 2009 • Hiring 11, 1 new
Koei Tecmo is a Yokohama game company formed in 2009 from the merger of Koei and Tecmo. It publishes the Dynasty Warriors, Nioh, Atelier and Dead or Alive series and licenses its Warriors formula to other publishers. The company also develops games under contract for Nintendo and other partners.
No named decision-maker yet.
No careers mailbox known
Verified live · 1 hour ago 3 days ago Hiring now · 90%

AIソリューションエンジニア(品質管理・業務効率化推進) 日吉

In office (Yokohama, Japan)
Apply

Toyota

toyota.co.jp
toyota.co.jp • Tokyo • Nagoya • Hiring 5, 1 new
Tokyo • Nagoya • Hiring 5, 1 new
No named decision-maker yet.
No careers mailbox known
$32k – $102k per year • In office (Tokyo, Japan)
Python
DevOps
AWS
Apply

Kauche

kauche.com
kauche.com • HQ: Tokyo, Japan • E-commerce Platforms • Likely startup • Trust C • Hiring 23, 1 new
HQ: Tokyo, Japan • E-commerce Platforms • Likely startup • Trust C • Hiring 23, 1 new
Kauche is a Japanese e-commerce startup whose shopping app combines social buying with games such as Kauche Farm, where crops grown in the app can be received as real products. The app passed 7 million downloads in July 2026 with heavy daily use, and the company hires principal mobile and backend engineers, product managers, QA engineers and a chief data officer. The company is based in Tokyo, Japan.
No named decision-maker yet.
No careers mailbox known
Verified live · 1 hour ago 3 days ago Likely open · 60%

Dev027_PdM(Machine Learning Product) / 正社員

$47k – $101k per year • In office (Tokyo, Japan, 11am - 3pm) • Full-Time
Kotlin
TypeScript
Swift
SQL
Databases
Google BigQuery
Google Cloud Spanner
AI/ML
Vertex AI
Gemini
OpenAI Codex
Cursor
Claude
Mobile
Jetpack Compose
SwiftUI
MVVM
Clean Architecture
Crashlytics
Bitrise
DevOps
gRPC
Datadog
Google Cloud Run
GitHub Actions
GitHub
Terraform
GCP
CI/CD
Analytics
Looker
Design
Figma
+19
Apply
Likely inactiveVerified live · 1 hour ago 3 months ago Long shot · 7%

Dev006_ML Lead Engineer / 正社員

≈ $58k – $144k per year (Estimated) • Lead • In office (Tokyo, Japan) • Full-Time • Staff
Python
Databases
Google BigQuery
Google Cloud Spanner
AI/ML
Vertex AI
OpenAI Codex
Cursor
Claude Code
Copilot
DevOps
GitHub
GCP
Analytics
Looker
+3
Apply

Finatext Holdings

finatext.com
finatext.com • HQ: Tokyo, Japan • Online Brokerage & Trading Platforms • Financial Software & Embedded Finance • Est. 2013 • Trust D • Hiring 43, 2 new
HQ: Tokyo, Japan • Online Brokerage & Trading Platforms • Financial Software & Embedded Finance • Est. 2013 • Trust D • Hiring 43, 2 new
Finatext is a Tokyo fintech company founded in 2013 that builds embedded financial infrastructure for other brands. Its platforms let banks, retailers and insurers launch brokerage, insurance and credit products without building their own systems. The group also runs a financial data analytics business serving institutional clients.
No named decision-maker yet.
No careers mailbox known
Verified live · 4 hours ago 3 days ago Likely open · 63%

204.データAIプラットフォームエンジニア

$65k – $117k per year • In office (Tokyo, Japan)
Python
Databases
Snowflake
Weaviate
Pinecone
AI/ML
dbt
Model Context Protocol
OpenAI
DevOps
Platform Engineering
Terraform
GCP
Azure
AWS
+4
Apply
Likely inactiveVerified live · 4 hours ago 3 months ago Long shot · 5%

224.AIソフトウェアエンジニア(FDE)|InsurTech

$58k – $87k per year • In office (Tokyo, Japan) • Full-Time
TypeScript
Python
JavaScript
Python
FastAPI
Databases
DynamoDB
Amazon Aurora
Snowflake
PostgreSQL
AI/ML
AWS Bedrock
Cursor
Model Context Protocol
OpenAI
Claude Code
Claude
LLM
Frontend
Vue.js
Next.js
React.js
DevOps
GitHub Actions
GitHub
Terraform
Docker
Azure
AWS
+16
Apply

Skills these roles ask for

AWS 302Python 280LLM 252GCP 206GitHub 175Azure 158TypeScript 142Slack 140RAG 128Docker 117Claude Code 106OpenAI 101Claude 94PyTorch 93CI/CD 90Gemini 81

Where the roles are

Tokyo 610Kyoto 23Osaka 16Yokohama 11Kariya 9Kawasaki 7Fukuoka 5Minato 4Sendai 4Sapporo 4

Questions

Can a foreigner apply for these roles?

733 of the 733 roles here state no citizenship or security-check demand. A role that does says so in its advert, and the card marks it.

Which companies hire most AI engineers?

Bjak (18), Fixstars (11), Ridge-i (10), CyberAgent (10), Emuni (10).

Which roles count as AI jobs?

Every engineering, research, product and infrastructure role whose title and advert make AI its work - machine learning and AI engineers, research scientists, LLM, agent and MLOps engineers, computer vision and speech, AI chips and data centers, embodied AI - at any employer, read by Alion's AI role classifier. Data analysts and data engineers are left out, and so is a role that only mentions AI tools.

How fresh is this?

Every role is re-checked on the employer's own careers board at least every 48 hours, and the page is rebuilt every night.

Source: 733 live postings on employers' careers boardsUpdated 23 Oct 2026MethodologyJSONCC BY-SA 4.0