HQ: Tokyo, Japan · Custom Software Development · IT Consulting & Digital Transformation · Hiring 3
And Factory is a technology company whose mission is to enrich everyday life through apps and IoT services. It develops and operates digital comic services, including the Young Jump+ manga app, and recruits server-side engineers and iOS engineers with remote and flexible working. The company is based in Japan.
Aoki Lunzhi · 代表取締役社長 · decision-maker
No careers mailbox known
In office (Tokyo, Japan) · Full-Time
PHP
TypeScript
JavaScript
Frontend
Vue.js
Nuxt.js
Next.js
React.js
DevOps
GitHub
GCP
AWS
Azure
+3
HQ: Tokyo, Japan · Scheduling & Booking Software · Real Estate Rental · Hiring 3
Space Market is a Japanese company that runs SPACEMARKET, a marketplace for renting and sharing spaces by the hour, with the mission of making space sharing commonplace. It also offers Spacepad, a cloud booking management system that digitalises reservations and payments for public facilities run by local governments, and it hires customer success staff, a tech lead and a CTO candidate. The company is based in Japan.
No named decision-maker yet.
No careers mailbox known
In office (Tokyo, Japan) · Full-Time
Node JS
Ruby
JavaScript
Ruby
Ruby on Rails
HQ: Ginowan, Japan · Management Consulting · IT Consulting & Digital Transformation · Hiring 2
Interactive is a Japanese company focused on unlocking regional potential, with digital marketing and human resources as its core businesses. It runs the job matching service Job Antenna, has an office in Yamagata, and hires full-stack engineers and product managers for its head office. The company is headquartered in Ginowan, Okinawa, Japan.
No named decision-maker yet.
No careers mailbox known
$31k – $48k per year · In office (Japan) · Full-Time
PHP
TypeScript
PHP
Laravel
Databases
MySQL
AI/ML
OpenAI Codex
Claude Code
Copilot
Frontend
GraphQL
DevOps
Cloudflare
GitHub Actions
GitHub
CI/CD
AWS
+5
HQ: Tokyo, Japan · EHR & Clinical Software · Consumer Health Apps · Hiring 5
iCARE is a Japanese health tech company that provides Carely, a cloud service for corporate employee health management. Founded by an occupational physician, the service digitises health checks, stress checks and doctor interviews, the company joined the Omron group in 2025, and it hires software architects, frontend, backend and QA engineers. The company is based in Japan.
No named decision-maker yet.
No careers mailbox known
$38k – $51k per year · In office (Tokyo, Japan) · Full-Time
TypeScript
Ruby
JavaScript
Ruby
Ruby on Rails
RSpec
RuboCop
Brakeman
Databases
Redis
PostgreSQL
AI/ML
Devin
Claude Code
Copilot
Frontend
Vue.js
GraphQL
Storybook
ESLint
DevOps
CircleCI
Datadog
PagerDuty
GitHub Actions
CI/CD
AWS
Design
Figma
+15
$51k – $95k per year · In office (Tokyo, Japan) · Full-Time
TypeScript
Ruby
JavaScript
Ruby
Ruby on Rails
RSpec
RuboCop
Brakeman
Databases
Redis
PostgreSQL
AI/ML
Devin
Claude Code
Copilot
Frontend
Vue.js
GraphQL
Storybook
ESLint
DevOps
CircleCI
Datadog
PagerDuty
GitHub Actions
CI/CD
AWS
Design
Figma
+15
HQ: Tokyo, Japan · PC Games · Mobile Games · Trust D · Hiring 26
TENDA Games is a Japanese game developer that creates consumer games and entertainment for the Web3 era. It belongs to the Tenda Group, an AI and digital transformation company, which hires new graduate engineers, IT consulting sales staff and web developers in Tokyo and Sendai. The company is based in Tokyo, Japan.
No named decision-maker yet.
No careers mailbox known
$463k – $576k per year · In office (Tokyo, Japan) · Full-Time
$420k – $769k per year · In office (Tokyo, Japan) · Full-Time
Node JS
TypeScript
Python
JavaScript
Python
FastAPI
Databases
GraphDB
Pinecone
MySQL
PostgreSQL
AI/ML
XGBoost
LangSmith
Gemini
BERT
ResNet
LangChain
OpenAI
PyTorch
Claude
LLM
Frontend
Next.js
React.js
Mobile
Firebase
DevOps
GitHub Actions
GitHub
Terraform
Docker
GCP
Azure
AWS
+21
$368k – $595k per year · In office (Tokyo, Japan) · Full-Time
Node JS
TypeScript
Python
JavaScript
Python
FastAPI
Databases
GraphDB
Pinecone
MySQL
PostgreSQL
AI/ML
LangSmith
Gemini
LangChain
OpenAI
PyTorch
Claude
LLM
Frontend
Next.js
React.js
Mobile
Firebase
DevOps
GitHub Actions
GitHub
Terraform
Docker
GCP
Azure
AWS
+18
HQ: Tokyo, Japan · LLM & Generative AI · Foundation Models · AI Research Labs · Est. 2023 · Startup · Hiring 23, 1 new
Sakana AI is a Tokyo research laboratory taking a nature inspired approach to foundation models, favouring collective intelligence and evolutionary methods over ever larger single models. Its published work includes evolutionary model merging, the AI Scientist system that runs a full research cycle end to end, and Japanese language model research. The company was founded by former Google researchers including a co-author of the transformer paper and has become Japan's most prominent artificial intelligence startup.
No named decision-maker yet.
Careers mailbox is known
In office (Minato, Japan) · Full-Time · Japanese · English
TypeScript
Java
Python
JavaScript
AI/ML
Anthropic
OpenAI
LLM
AI Agents
LangGraph
MLFlow
Function Calling
Langfuse
LLMOps
OpenAI Agents SDK
Multi-Agent Systems
Mastra
LangChain
Model Context Protocol
Frontend
Next.js
React.js
DevOps
Terraform
GCP
Kubernetes
Azure
CI/CD
AWS
OpenTelemetry
Datadog
Platform Engineering
Prometheus
+22
In office (Minato, Japan) · Full-Time
Go
Node JS
Java
Python
JavaScript
AI/ML
Copilot
Frontend
Next.js
React.js
DevOps
AWS
+1
In office (Minato, Japan) · Full-Time
Node JS
TypeScript
Python
JavaScript
AI/ML
Multimodal AI
Frontend
Next.js
SvelteKit
Svelte
React.js
DevOps
AWS
+2
HQ: Milpitas, United States · Semiconductor Equipment · 5000+ employees · Est. 1975 · Trust A · Hiring 1006, 86 new
KLA is an American supplier of process control and yield management equipment for semiconductor manufacturing, formed by the 1997 merger of KLA Instruments, founded in 1975, and Tencor Instruments. Its tools inspect wafers, reticles and packaging for defects and measure critical dimensions and overlay, giving chipmakers the feedback they need to keep yields acceptable at advanced nodes. Headquartered in Milpitas, California and listed on Nasdaq, it holds a dominant share of the wafer inspection market and also supplies specialty process and electronic assembly equipment.
Rick Wallace · Chief Executive Officer · decision-maker
Robert Anderson · Co-founder · founder
Kenneth Levy · Co-founder · founder
No careers mailbox known
In office (Yokohama, Japan) · Full-Time · Japanese · English
Perl
C++
SQL
Python
Databases
Oracle
DevOps
Linux
Tokyo · Trust B · Hiring 9
No named decision-maker yet.
No careers mailbox known
$420k – $649k per year · In office (Tokyo, Japan) · Full-Time
$687k – $840k per year · In office (Tokyo, Japan) · Full-Time
$382k – $534k per year · In office (Tokyo, Japan) · Full-Time
Ruby
C#
C++
Java
C#
.NET
DevOps
AWS
HQ: Tokyo, Japan · Advertising · Est. 2010 · Trust A · Hiring 43
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.
No named decision-maker yet.
No careers mailbox known
$649k – $1.1M per year · Junior · In office (Tokyo, Japan) · Full-Time · Junior
TypeScript
Python
JavaScript
Databases
Google BigQuery
PostgreSQL
AI/ML
LangGraph
Function Calling
Google AI Studio
Devin
Human-in-the-Loop
LLM Guardrails
Cursor
LangChain
ChatGPT
Claude Code
RAG
LLM
AI Agents
Frontend
Next.js
React.js
DevOps
GitHub
Docker
GCP
Kubernetes
CI/CD
AWS
Management
Linear
Notion
Confluence
+21
≈ $44k – $130k per year (Estimated) · Lead · In office (Tokyo, Japan) · Full-Time · Staff
TypeScript
JavaScript
Databases
ClickHouse
MySQL
PostgreSQL
AI/ML
Devin
Claude Code
Claude
Frontend
Next.js
Storybook
React.js
Mobile
Clean Architecture
DevOps
Google Cloud Run
GitHub Actions
GitHub
Docker
GCP
CI/CD
QA
Playwright
Jest
+12
HQ: Tokyo, Japan · Science & Engineering · Nuclear Engineering · Nuclear Energy · 51-200 employees · Est. 1970 · Trust B · Hiring 15
Kyoto Fusioneering develops advanced technologies for commercial fusion reactors, with particular focus on gyrotron systems, tritium fuel cycle technologies, and breeding blankets. It designs and supplies engineering solutions and components to support tritium production, high-power microwave systems and reactor subsystems aimed at improving performance and commercial viability. The company works with both public and private fusion developers globally to accelerate the realization of fusion energy as a practical power source.
No named decision-maker yet.
Careers mailbox is known
$534k – $687k per year · In office (Tokyo, Japan) · Full-Time
C#
C#
.NET
Databases
QuestDB
PostgreSQL
DevOps
Rest API
$534k – $687k per year · In office (Tokyo, Japan) · Full-Time
HQ: Tokyo, Japan · Game Development · 501-1000 employees · Est. 2023 · Hiring 41
Nintendo Systems is a Japanese software company formed around engineering teams from Nintendo and DeNA to build systems that deliver Nintendo entertainment to customers. It develops services for game consoles, media delivery and e-commerce, and hires machine learning, frontend, marketing systems and product security engineers. The company is based in Tokyo, Japan.
No named decision-maker yet.
No careers mailbox known
In office (Tokyo, Japan)
Kotlin
Java
Databases
DynamoDB
Amazon Aurora
MySQL
DevOps
Datadog
AWS Fargate
Amazon ECS
Jenkins
GitHub
Terraform
Docker
AWS
+5
In office (Tokyo, Japan)
Kotlin
C++
C
C
FFmpeg
DevOps
WebRTC
GCP
AWS
In office (Tokyo, Japan) · Full-Time
C#
C++
C#
.NET
Game Dev
Unreal Engine
Design
Adobe Photoshop
HQ: Osaka, Japan · Delivery · Catering & Food Services · Hiring 2
nosh is a meal delivery service run by Nash that sells healthy, low-carbohydrate frozen meals and desserts, with around 100 menu items to choose from. The company develops its own e-commerce site and core systems in house, holds ISO 27001 certification and hires lead product engineers and tech leads for its direct-to-consumer platform. The company is headquartered in Osaka, Japan.
No named decision-maker yet.
Careers mailbox is known
In office (Osaka, Japan) · Full-Time
Kotlin
PHP
TypeScript
JavaScript
Python
Java
Python
Django
Java
Spring Boot
PHP
Laravel
AI/ML
Claude Code
Claude
Frontend
Vue.js
React.js
DevOps
AWS Lambda
Amazon EC2
GitHub Actions
GitHub
Git
Docker
GCP
AWS
+13
HQ: Tokyo, Japan · Information Security · Online Brokerage & Trading Platforms · Financial Software & Embedded Finance · Est. 1999 · Trust A · Hiring 13
Trade Works is an independent Japanese systems company listed on the Tokyo Stock Exchange that develops online trading systems for securities and FX firms. Founded in 1999, it runs financial solutions, security, AI on-chain and investment advisory businesses and hires project managers, AI engineers and AWS infrastructure engineers. The company is headquartered in Tokyo, Japan.
No named decision-maker yet.
No careers mailbox known
$343k – $611k per year · In office (Tokyo, Japan) · Full-Time
$458k – $534k per year · In office (Tokyo, Japan) · Full-Time
Rust
Ruby
Go
Node JS
C#
TypeScript
C++
Java
JavaScript
DevOps
GitHub
Web3
NFT
+3
Tokyo · Data Loss Prevention · 11-50 employees · Hiring 1
Turn restricted data into valuable assets. Context-aware de-identification for PII, PHI, and PCI across 52 languages. Deploy in your infrastructure.
No named decision-maker yet.
Careers mailbox is known
In office (Tokyo, Japan) · Full-Time · Middle
Python
DevOps
Kubernetes
Docker
HQ: Seattle, United States · Professional Services · 5000+ employees · Est. 2000 · Trust B · Hiring 558, 38 new
Headquartered in Seattle, Washington, Avanade is a global professional services and IT consulting firm specializing in digital transformation, cloud services, and enterprise technology solutions exclusively across the Microsoft ecosystem. Founded in 2000 as a joint venture between Accenture and Microsoft, the company delivers comprehensive advisory, engineering, and managed services spanning Azure cloud migration, generative artificial intelligence and advanced analytics, enterprise resource planning (ERP) and customer engagement via Dynamics 365, modern workplace transformation, and cybersecurity. Serving large enterprises, Fortune 500 corporations, and complex public-sector organizations worldwide, the firm combines deep technical specialization with human-centric business strategy to help clients modernize IT architectures, scale operational resilience, and maximize value from their Microsoft technology investments.
No named decision-maker yet.
No careers mailbox known
In office (Tokyo, Japan) · Full-Time
C#
C#
.NET
DevOps
Azure
AWS
In office (Tokyo, Japan) · Full-Time
Node JS
C#
Python
JavaScript
Databases
Microsoft Fabric
Databricks
AI/ML
AgentOps
AWS Bedrock
Gemini
Human-in-the-Loop
Model Context Protocol
Claude Code
Copilot
RAG
LLM
Frontend
Vue.js
React.js
DevOps
GCP
Azure
AWS
+12
Yamagata · Management Consulting · Digital Marketing · Hiring 2
LOCAL BRIGHT is a Japanese company that provides corporate digital transformation support, design and direction, and outsourced operations for the furusato nozei hometown tax donation programme. It develops CMS and analysis tools for hometown tax and e-commerce operations and plans data visualisation R&D and SaaS products, and it hires frontend and backend engineers. The company is based in Japan.
No named decision-maker yet.
No careers mailbox known
Verified live · 3 hours ago
2 months ago
Long shot · 16%
バックエンドエンジニア
$27k – $38k per year · In office (Yamagata, Japan) · Full-Time
HQ: Mitaka, Japan · Est. 2019 · Hiring 2
Musashi Sky Plus is a Japanese startup spun out of JAXA that commercialises small unmanned aircraft systems based on the agency's aeronautical research. It supplies aircraft systems built around JAXA-developed products along with technical support services, has 8 employees, and hires flight controller and ground station software engineers and project managers. The company is based in Mitaka, Tokyo, Japan.
No named decision-maker yet.
No careers mailbox known
$32k – $64k per year · In office (Tokyo, Japan) · Full-Time
Wi-Fi
Docker
Robotics
ROS2
ArduPilot
QGroundControl
Mission Planner
HQ: Tokyo, Japan · POS Systems · Market Research · Event Marketing · Trust B · Hiring 8
Impact Holdings is a Japanese field marketing and retail promotion group offering store rounds, shelf changes, in-store sales promotion, sampling and store audits. The group of nine companies also includes impact mirAI, which develops the self-order system Meniu-kun for restaurants. The company is headquartered in Tokyo, Japan.
No named decision-maker yet.
No careers mailbox known
Verified live · 2 hours ago
2 months ago
Long shot · 16%
システムエンジニア
In office (Yokohama, Japan) · Full-Time
PHP
C++
PHP
Laravel
Databases
PostgreSQL
DevOps
Apache HTTP Server
Amazon S3
Git
Linux
Open 841 daysVerified live · 2 hours ago
2 years ago
Long shot · 4%
webシステム開発プログラマー
$22k – $35k per year · In office (Tokyo, Japan) · Full-Time
PHP
TypeScript
JavaScript
Node JS
Node JS
Nest.JS
Electron
Databases
Google BigQuery
PostgreSQL
Frontend
React.js
DevOps
Windows
Linux
GCP
Azure
AWS
+6
Open 964 daysVerified live · 2 hours ago
2 years ago
Long shot · 4%
アプリケーションエンジニア
In office (Yokohama, Japan) · Full-Time
HQ: Tokyo, Japan · Early Childhood Education · EdTech Platforms · Est. 2018 · Trust B · Hiring 14
CoDMON is a Japanese technology startup that develops software for childcare, education and child-rearing support, led by its CoDMON management system for staff at childcare facilities. It also builds services for parents and hires product managers, senior product designers, web application engineers and new graduates. The company is headquartered in Shinagawa, Tokyo, Japan.
Koike Yize · 代表取締役 · decision-maker
No careers mailbox known
In office (Tokyo, Japan) · Full-Time
Kotlin
PHP
TypeScript
JavaScript
Java
Java
Spring Boot
PHP
Laravel
PHPUnit
Kotlin
Kotest
Databases
DynamoDB
Google BigQuery
Amazon Aurora
Redis
MySQL
PostgreSQL
AI/ML
Claude Code
Copilot
Frontend
Vue.js
Nuxt.js
React.js
Mobile
React Native
Clean Architecture
DevOps
New Relic
Datadog
Fluent Bit
Fluentd
Amazon ECS
Amazon CloudWatch
GitHub Actions
Terraform
CI/CD
QA
Playwright
Jest
Vitest
+26
In office (Tokyo, Japan) · Full-Time
Kotlin
PHP
TypeScript
JavaScript
Java
Java
Spring Boot
PHP
Laravel
PHPUnit
Kotlin
Kotest
Databases
DynamoDB
Google BigQuery
Amazon Aurora
Redis
MySQL
PostgreSQL
AI/ML
Claude Code
Copilot
Frontend
Vue.js
Nuxt.js
React.js
Mobile
React Native
Clean Architecture
DevOps
New Relic
Datadog
Fluent Bit
Fluentd
Amazon ECS
Amazon CloudWatch
GitHub Actions
Terraform
CI/CD
QA
Playwright
Jest
Vitest
+26
In office (Tokyo, Japan) · Full-Time
Kotlin
PHP
TypeScript
JavaScript
Java
Java
Spring Boot
PHP
Laravel
PHPUnit
Kotlin
Kotest
Databases
DynamoDB
Google BigQuery
Amazon Aurora
Redis
MySQL
PostgreSQL
AI/ML
Claude Code
Copilot
Frontend
Vue.js
Nuxt.js
React.js
Mobile
React Native
Clean Architecture
DevOps
New Relic
Datadog
Fluent Bit
Fluentd
Amazon ECS
Amazon CloudWatch
GitHub Actions
Terraform
CI/CD
QA
Playwright
Jest
Vitest
+26
HQ: Tokyo, Japan · Secondhand · Marketplaces · 1001-5000 employees · Est. 2013 · Trust A · Hiring 125, 7 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
≈ $46k – $95k per year (Estimated) · Senior · In office (Minato, Japan) · Full-Time · Senior · Japanese (Optional) · English
Go
TypeScript
Python
Databases
Google BigQuery
AI/ML
LiteLLM
OpenAI Codex
LLM Guardrails
Cursor
Model Context Protocol
Claude Code
LLM
AI Agents
DevOps
GitHub
Terraform
GCP
Kubernetes
Platform Engineering
Analytics
Looker
A/B Testing
Management
Linear
Notion
Confluence
+14
In office (Minato, Japan) · Full-Time · Japanese: C1 · English (Optional)
In office (Minato, Japan) · Full-Time · Japanese: B2 (Optional) · English: B2 (Optional)
Go
Databases
PostgreSQL
DevOps
gRPC
Rest API
GitHub
GCP
Kubernetes