Machine Learning Engineer Jobs in Japan

Machine Learning Engineer jobs in Japan hiring now at vetted startups and product companies on Alion, updated daily. Average salary around $109,823/year. Compare remote, hybrid and on-site positions with relocation and visa sponsorship. Browse and apply today.

Japan
AI/ML
Data Science
Backend
Frontend
Mobile
DevOps
Web3
Games
Hardware
Robotics
Security
QA
Executive
Networking
Product
Design
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Quantum

RLWRLD Inc

rlwrld.ai
We build Real World Intelligence. We Revolutionize Robotics. — We're building foundation models that give robots the ability to see, think, and use their hands like humans. From delicate manipulation to dynamic adaptation, our systems achieve dexterity that unlocks real-world autonomy — at scale.
rlwrld.ai • Chiyoda • Humanoid Robots • Artificial Intelligence • Robotics AI
Chiyoda • Humanoid Robots • Artificial Intelligence • Robotics AI
$36k – $101k per year (Estimated) • Middle • 3+ years expIn office (Chiyoda, Japan) • Relocation • Visa sponsorship • Bachelor's Degree • Full-Time • Middle • Korean
C++
Python
AI/ML
Computer Vision
Fine-tuning
Multimodal AI
Robotics
ROS
ROS2
Teleoperation
Apply
$45k – $131k per year (Estimated)In office (Chiyoda, Japan) • Relocation • Visa sponsorship • Bachelor's Degree • Internship • Korean
C++
Python
AI/ML
Computer Vision
Fine-tuning
Multimodal AI
Edge AI
DevOps
CI/CD
Git
Apply
Report

Genesys

genesys.com
Genesys is a global leader in cloud customer experience and contact center solutions that help businesses orchestrate personalized customer interactions. Through its AI-powered cloud platform, Genesys Cloud CX, the company unifies voice, digital channels, and workforce engagement into a single workspace. Headquartered in Menlo Park, California, it enables thousands of organizations across the world to optimize customer service, increase agent productivity, and drive brand loyalty.
genesys.com • HQ: Menlo Park, United States • Artificial Intelligence • Software • Conversational AI • Customer Relationship Management (CRM) • 5000+ employees • Est. 1990
HQ: Menlo Park, United States • Artificial Intelligence • Software • Conversational AI • Customer Relationship Management (CRM) • 5000+ employees • Est. 1990
Verified live · 10 hours ago 2 months ago

AI Architect

$59k – $129k per year (Estimated) • Staff+ • In office (Tokyo, Japan) • Full-Time • Architect
Copilot
NLP
Prompt Engineering
Together AI
A2A
AI Agents
Model Context Protocol
Apply
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Cambridge Mobile Telematics

cmtelematics.com
Cambridge Mobile Telematics is the world’s largest telematics service provider. Our mission is to make the world’s roads and drivers safer.
cmtelematics.com • Tokyo • Budapest • Cambridge • Chennai • Internet of Things • Transportation & Logistics • Smart Mobility
Tokyo • Budapest • Cambridge • Chennai • Internet of Things • Transportation & Logistics • Smart Mobility
$142k – $178k per year • Equity • Lead • 7+ years expRemote/Hybrid (Tokyo, Japan) • Visa sponsorship • Bachelor's Degree • Principal
Python
Databases
Amazon Aurora
Databricks
AI/ML
Ray
DevOps
Amazon EC2
Amazon EKS
AWS
AWS Lambda
CI/CD
Datadog
Docker
Kubernetes
SLI/SLO/SLA
Terraform
Ubuntu
Amazon CloudWatch
Amazon ECS
Amazon S3
IAM
Apply
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Tencent

tencent.com
Tencent is a leading global technology and entertainment conglomerate best known for operating WeChat, China's dominant messaging and social platform. The company is the world's largest video game publisher, owning major stakes in prominent gaming studios alongside an extensive portfolio of digital content and fintech services like WeChat Pay. Through its cloud computing and artificial intelligence infrastructure, Tencent supports the digital transformation of enterprise clients across diverse industries globally.
tencent.com • HQ: Shenzhen, China • Gaming • Internet Services • Online Communication • Game Development • 1001-5000 employees
HQ: Shenzhen, China • Gaming • Internet Services • Online Communication • Game Development • 1001-5000 employees
$53k – $112k per year (Estimated) • Senior • In office (Tokyo, Japan) • PhD • Full-Time • Senior • Japanese
Python
AI/ML
LLM
Multimodal AI
Text-to-Speech
PyTorch
Apply
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Udacity

udacity.com
Udacity is an online education company headquartered in Emeryville, California, and founded in 2011 by Sebastian Thrun, David Stavens, and Mike Sokolsky after a free Stanford artificial intelligence course. The company sells Nanodegree programs in areas such as programming, data science, artificial intelligence, cloud computing, and autonomous systems, built together with industry partners. It shifted toward enterprise and government reskilling contracts and was acquired by Accenture in 2024.
udacity.com • HQ: Emeryville, United States • Corporate Training • Vocational Education • Education • EdTech Platforms • E-learning • Est. 2011
HQ: Emeryville, United States • Corporate Training • Vocational Education • Education • EdTech Platforms • E-learning • Est. 2011
$105k – $233k per year (Estimated) • Senior • 5+ years exp • Remote (MENA, APAC, Europe, United States, Canada) • Visa sponsorship • Contractor • Senior
Bash
Python
SQL
AI/ML
AI Agents
Claude
Claude Code
Model Context Protocol
Prompt Engineering
Anthropic
Context Engineering
Human-in-the-Loop
OpenAI Agents SDK
Structured Outputs
Function Calling
DevOps
CI/CD
Git
Rest API
GitHub
Management
Slack
Apply
Report

FLYWHEEL

flywheel.jp
フライウィールは「データを人々のエネルギーに」をミッションとして掲げるデータソリューションプロバイダーです。主力製品であるデータ活用プラットフォーム「Conata® (コナタ)」は企業活動の可視化・シミュレーションを軸に、顧客ニーズに合せて一気通貫でデータソリューションを提供します。
flywheel.jp • Tokyo • Artificial Intelligence • Analytics Platforms • Data & Analytics
Tokyo • Artificial Intelligence • Analytics Platforms • Data & Analytics
$38k – $64k per year • Tokyo • Remote (Japan) • Full-Time
Kotlin
Python
TypeScript
Databases
MySQL
AI/ML
RAG
DevOps
gRPC
Kubernetes
Apply
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Rakuda AI

rakuda-ai.com
AIを活用したソフトウェア開発と業務自動化に特化した会社。ファンド業務の自動化から AI活用SaaS の受託開発まで、少数精鋭・高速デリバリーで提供します。.
rakuda-ai.com • Tokyo • Business Process Automation (BPA) • Software • Artificial Intelligence
Tokyo • Business Process Automation (BPA) • Software • Artificial Intelligence
$191k per year • Lead • 8+ years expIn office (Tokyo, Japan) • Full-Time • Principal • Japanese
TypeScript
JavaScript
AI/ML
Claude
Cohere SDK
Cursor
DSPy
Fine-tuning
Knowledge Distillation
LangChain
LangGraph
LLM
Mistral
Perplexity
Prompt Engineering
RAG
Reranking
RLHF
vLLM
Anthropic
DPO
LLM Evaluation
LLM Guardrails
OpenAI
SFT
AI Agents
Function Calling
Frontend
Next.js
React.js
DevOps
AWS
GCP
Vector
Apply
Report

Noeon Research

noeon.ai
Noeon Research is a deep-tech startup creating a new architecture for general reasoning. We try an unconventional approach to get to uncharted territory.
noeon.ai • Tokyo • LLM & Generative AI • Machine Learning • Artificial Intelligence
Tokyo • LLM & Generative AI • Machine Learning • Artificial Intelligence
$115k – $134k per year • Senior • 3+ years expTokyo • Remote (Japan) • Bachelor's Degree • Full-Time • Senior
Python
AI/ML
LLMOps
AI Agents
RAG
DevOps
Docker
Kubernetes
Apply
Report

Qualcomm

qualcomm.com
Qualcomm is a global technology leader in wireless telecommunications, connectivity, and semiconductor design. The company pioneered foundational mobile standards including 3G, 4G, and 5G while developing the Snapdragon platform that powers millions of smartphones, automotive systems, and connected devices. Operating primarily through chip sales and technology licensing, Qualcomm actively drives innovation in mobile computing, edge AI, and next-generation wireless networks.
qualcomm.com • HQ: San Diego, United States • AI Infrastructure • Information Technology • Data Centers • Edge AI • Internet of Things
HQ: San Diego, United States • AI Infrastructure • Information Technology • Data Centers • Edge AI • Internet of Things
Open 146 days 5 months ago

Automotive AI Software Support Engineer

$42k – $116k per year (Estimated) • Middle • 3+ years expIn office (Tokyo, Japan) • Bachelor's Degree • Middle • Japanese: C2
C++
Java
Python
C++
PyTorch C++
AI/ML
ONNX
PyTorch
QA
Rest-Assured
Apply
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Cognition

cognition.com
Cognition is an applied artificial intelligence lab founded in 2023 that created Devin, an autonomous software engineering agent able to plan, write and debug code across a full repository. The company drew attention for demonstrating long-horizon coding work rather than single-file completion, and it sells Devin to engineering organisations. In 2025 it acquired the Windsurf coding assistant team and product, broadening its developer tooling.
cognition.com • HQ: San Francisco, United States • Home Healthcare • Artificial Intelligence
HQ: San Francisco, United States • Home Healthcare • Artificial Intelligence
Verified live · 11 hours ago 3 months ago

AI Support Engineer

$35k – $98k per year (Estimated) • Middle • 4+ years expIn office (Tokyo, Japan, New York, United States) • Bachelor's Degree • Full-Time • Middle
Go
Java
Python
TypeScript
AI/ML
Cursor
Windsurf
Devin
Scale AI
DevOps
AWS
Azure
CI/CD
Docker
GCP
Git
Apply
Report

Radical Numerics

radicalnumerics.ai
Radical Numerics is an artificial intelligence research lab dedicated to developing general biological intelligence and generative genomics models. Headquartered in San Francisco, California, the company builds multimodal platforms capable of reading, writing, and engineering biological sequences across DNA, RNA, and proteins. Its technology aims to accelerate biopharmaceutical research, enhance early disease diagnostics, and establish robust biodefense capabilities.
radicalnumerics.ai • HQ: San Francisco, United States
HQ: San Francisco, United States
Verified live · 1 day ago 3 months ago

Member of Technical Staff, Mechanistic Interpretability

$200k – $406k per year (Estimated) • Staff+ • In office (San Francisco, United States, Tokyo, Japan) • Full-Time • Staff
Python
AI/ML
Multimodal AI
PyTorch
Apply
Verified live · 1 day ago 3 months ago

Member of Technical Staff, Distributed Systems

$191k – $388k per year (Estimated) • Staff+ • In office (San Francisco, United States, Tokyo, Japan) • Full-Time • Staff
C++
Python
Rust
C++
PyTorch C++
AI/ML
CUDA
CUDA Toolkit
PyTorch
Triton
Multimodal AI
Megatron-LM
NCCL
DevOps
Kubernetes
SLURM
Apply
Open 166 daysVerified live · 1 day ago 6 months ago

Member of Technical Staff, Pretraining Science

$193k – $391k per year (Estimated) • Staff+ • In office (San Francisco, United States, Tokyo, Japan) • Full-Time • Staff
Python
AI/ML
Multimodal AI
PyTorch
Pre-training
Apply
Report

CARTA HOLDINGS

cartaholdings.co.jp
CARTA HOLDINGS is a Tokyo digital marketing group formed from the merger of VOYAGE GROUP and CyberAgent's advertising subsidiary. It runs advertising technology platforms, media businesses and agency services in the Japanese market. The company develops supply and demand side advertising systems used by domestic publishers.
cartaholdings.co.jp • HQ: Tokyo, Japan • Est. 1999
HQ: Tokyo, Japan • Est. 1999
Verified live · 1 hour ago 3 months ago

CARTA HOLDINGS CTO室 AI Lab ソフトウェアエンジニア

$40k – $107k per year (Estimated) • Executive • In office (Tokyo, Japan) • Full-Time • Architect
Python
TypeScript
AI/ML
Claude
Gemini
LangChain
Langfuse
LLM
Vertex AI
Anthropic
OpenAI
DevOps
AWS
CI/CD
GCP
Terraform
GitHub
Management
Slack
Apply
Report

Rapyuta Robotics

rapyuta-robotics.com
We’re the fastest way to go from idea to solution. Build on top of a state-of-the-art field tested platform that allows you to build, deliver, monitor, and scale your robotics application. Take a holistic approach including people, processes, and technology.
rapyuta-robotics.com • HQ: Tokyo, Japan • Robotic Software & Control Systems • Robotics • Logistics & Warehouse Robotics • 11-50 employees
HQ: Tokyo, Japan • Robotic Software & Control Systems • Robotics • Logistics & Warehouse Robotics • 11-50 employees
Open 104 daysVerified live · 1 hour ago 4 months ago

AI Systems Engineer

$45k – $131k per year (Estimated)In office (Kōtō, Japan) • Bachelor's Degree • Full-Time
AI Agents
LLM
RAG
Model Context Protocol
DevOps
CI/CD
Apply
Report

Mantra

mantra.ai
Mantra Labs builds enterprise products, platforms, data flows, and intelligent workflows that help teams modernize systems and improve operating outcomes.
mantra.ai • Tokyo
Tokyo
Open 108 daysVerified live · 2 days ago 4 months ago

AI/MLエンジニア/ AI/ML Engineer(Mantra Engine)

$38k – $64k per year • Middle • 3+ years expRemote/Hybrid (Tokyo, Japan) • PhD • Full-Time • Middle • English: C1 • Japanese: C1
Python
AI/ML
LLM
Edge AI
Claude
Claude Code
Cursor
Diffusers
Diffusion Models
Gemini
PyTorch
Anthropic
Hugging Face
OpenAI
OpenAI Codex
TorchServe
DevOps
AWS
Docker
Git
Apply
Open 108 daysVerified live · 2 days ago 4 months ago

機械学習リサーチャー/ Machine Learning Researcher(Mantra Engine)

$38k – $64k per year • Junior • 2+ years expRemote/Hybrid (Tokyo, Japan) • Master's Degree • Full-Time • Junior • Japanese
JavaScript
Python
TypeScript
Python
Django
AI/ML
Diffusion Models
Multimodal AI
Stable Diffusion
OCR
LangChain
NLP
PyTorch
OpenAI
TorchServe
Weights & Biases
Frontend
Vue.js
DevOps
AWS
GCP
Apply
Report

GENIEE

geniee.co.jp
GENIEE is a Tokyo advertising technology company founded in 2010 that builds supply side and demand side advertising platforms. Its systems help publishers in Japan and Southeast Asia maximise revenue from programmatic advertising, and it has acquired sales and marketing software businesses. The company operates across several Asian markets from its Tokyo base.
geniee.co.jp • HQ: Tokyo, Japan • Semiconductors • Document Management • Embedded Systems • Est. 2010
HQ: Tokyo, Japan • Semiconductors • Document Management • Embedded Systems • Est. 2010
Verified live · 9 hours ago 6 months ago

【JAPAN AI】AI Success Engineer

$45k – $131k per year (Estimated)In office (Tokyo, Japan) • Full-Time • Japanese: C1
Python
SQL
Databases
Databricks
Google BigQuery
AI/ML
AI Agents
ChatGPT
Claude
Claude Code
Cursor
LLM
Pandas
RAG
Devin
Google AI Studio
OpenAI
DevOps
Docker
GCP
GitHub
Cybersecurity
SOC 2
Chips/EDA
PoC Library
Management
Confluence
Google Workspace
Slack
Apply
Open 152 daysVerified live · 9 hours ago 6 months ago

【JAPAN AI】Agent Harness Engineer / English

$45k – $95k per year (Estimated) • Equity • Senior • 5+ years expRemote/Hybrid (Tokyo, Japan) • Bachelor's Degree • Full-Time • Senior • Japanese: C1
Go
Python
JavaScript
TypeScript
Databases
Apache Kafka
RabbitMQ
AI/ML
AI Agents
AutoGen
ChatGPT
Claude
Cursor
LangChain
LangGraph
LLM
RAG
Edge AI
Google AI Studio
LLM Guardrails
OpenAI Agents SDK
Claude Code
Devin
Frontend
Next.js
React.js
DevOps
AWS
Azure
GCP
gRPC
Kubernetes
Vector
Docker
Grafana
OpenTelemetry
Prometheus
Terraform
GitHub
Management
Confluence
Google Workspace
Linear
Notion
Slack
Apply
Open 152 daysVerified live · 9 hours ago 6 months ago

【JAPAN AI】Agent Harness Engineer / Japanese

$44k – $129k per year (Estimated)In office (Tokyo, Japan) • Full-Time • Japanese: C1
Go
Python
TypeScript
JavaScript
Databases
Apache Kafka
RabbitMQ
AI/ML
AutoGen
ChatGPT
Claude
Claude Code
Cursor
LangChain
LangGraph
LLM
RAG
Anthropic
Devin
Google AI Studio
OpenAI
OpenAI Agents SDK
AI Agents
Frontend
Next.js
React.js
DevOps
AWS
Azure
Docker
GCP
Grafana
gRPC
Kubernetes
OpenTelemetry
Prometheus
Terraform
GitHub
Management
Confluence
Google Workspace
Slack
Apply
Report

Welo Global

weloglobal.com
Welo Global is a provider of multilingual content, data, and AI solutions headquartered in New York, New York, and founded in 1997. The company provides enterprise localization, AI training data, intellectual property translation, and life sciences regulatory content through brands such as Welocalize and Park IP. It operates a global network of over 1,500 employees and 250,000 linguists to support more than 2,000 clients across the technology, legal, and healthcare sectors.
weloglobal.com • HQ: New York, United States • Clinical Research • Health Care • Data Collection • Machine Learning • Professional Services • Data & Analytics • Artificial Intelligence • Translation Services • 1001-5000 employees • Est. 1997
HQ: New York, United States • Clinical Research • Health Care • Data Collection • Machine Learning • Professional Services • Data & Analytics • Artificial Intelligence • Translation Services • 1001-5000 employees • Est. 1997
Open 167 daysVerified live · 5 hours ago 6 months ago

Project Lion - Senior Prompt Engineer - Japan (Remote, Part-Time)

$30k – $63k per year (Estimated) • Senior • 4+ years exp • Remote (Japan) • Bachelor's Degree • Part-Time • Senior • Japanese: C1
SQL
AI/ML
Chain-of-Thought
Few-Shot Learning
LLM
Prompt Engineering
Structured Outputs
Apply
Report

Astroscale

astroscale.com
Astroscale develops spacecraft and technologies for on-orbit servicing including life-extension, active debris removal, end-of-life services and in-situ space situational awareness. The company builds and operates satellite servicers and demonstration missions, notably the ELSA-d capture demonstrator, to remove or maintain space assets and mitigate orbital debris. Astroscale works with government agencies, commercial satellite operators and international partners to create sustainable space systems, business cases and norms for the responsible use of space.
astroscale.com • HQ: Tokyo, Japan • Satellite Manufacturing • Space Services • Space & Aerospace
HQ: Tokyo, Japan • Satellite Manufacturing • Space Services • Space & Aerospace
$46k – $97k per year (Estimated) • Senior • 8+ years expIn office (Tokyo, Japan) • Full-Time • Senior • English • Japanese: C1
C++
Python
AI/ML
Computer Vision
DevOps
Git
Game Dev
Unity
Unreal Engine
Apply
Report

Limitbreak

limitbreak.com
Limitbreak is a game development company that creates online games and related technology, including projects that incorporate digital collectibles. It focuses on designing gaming experiences that may use player ownership of in game assets, including through blockchain based mechanisms.
limitbreak.com • Tokyo • Gaming • GameFi • Game Development
Tokyo • Gaming • GameFi • Game Development
$46k – $97k per year (Estimated) • Senior • In office (Tokyo, Japan) • Full-Time • Senior • Japanese: C1
Keras
LLM
NLP
RunPod
TensorFlow
Fine-tuning
PyTorch
DevOps
AWS
GCP
Azure
Apply
Report

Eclipse

eclipse.ai
Get updates from eclipse.ai. Signup for our mailing list.
Open 296 daysVerified live · 8 hours ago 10 months ago

Data Scientist (AI Data & LLM Specialist)

Remote
Python
AI/ML
AI Agents
Embeddings
Fine-tuning
LLM
NER
NumPy
Pandas
Scikit-learn
spaCy
Tokenization
Hugging Face
Reinforcement Learning
RLHF
Web3
dYdX
Ethereum
Layer 2
Solana
Uniswap
ZkSync Era
Management
Slack
Apply
Report

Goodpatch

goodpatch.com
Goodpatch is a Tokyo design company founded in 2011 that specialises in user experience and product design for digital services. It works with startups and large enterprises on interface design, design systems and product strategy, and developed the Prott prototyping tool. The company was among the first design focused firms to list on the Japanese growth market.
goodpatch.com • HQ: Tokyo, Japan • Est. 2011
HQ: Tokyo, Japan • Est. 2011
Open 326 daysVerified live · 1 day ago 11 months ago

【HRmony AI】フルスタックエンジニア

$46k – $133k per year (Estimated)In office (Tokyo, Japan) • Full-Time
JavaScript
Node JS
TypeScript
Databases
Supabase
AI/ML
LLM
Vertex AI
OpenAI
AI Agents
Frontend
Next.js
React.js
Tailwind CSS
DevOps
AWS
Azure
GCP
GitHub
Chips/EDA
PoC Library
Management
Slack
Apply
Report
Machine Learning Engineer Jobs in Japan
Frequently asked questions
How many Machine Learning Engineer jobs in Japan are available on Alion?
There are currently 90 active listings from 38 hiring companies on Alion, refreshed daily.
What salary do Machine Learning Engineer jobs in Japan pay?
The average salary is around $109,823 per year based on the current listings.
Are remote options available for Machine Learning Engineer jobs in Japan?
Yes, many of these roles offer remote or hybrid work, and you can filter listings by remote, relocation and visa sponsorship.
How do I apply for Machine Learning Engineer jobs in Japan?
Open any listing on Alion and apply directly with the employer through the provided link - no lengthy sign-up required.