HQ: Tokyo, Japan · IT Consulting & Digital Transformation · Hiring 1
Kiva is a Japanese technology company that aims to build a lasting conglomerate and develops SamuraiAI, a workflow-based AI agent. SamuraiAI uses its own browser and client device control technology to automate repetitive data entry, resume checks and email replies across web services, and the company is hiring full-stack engineers. The company is based in Tokyo, Japan.
No named decision-maker yet.
Careers mailbox is known
Open 245 daysVerified live · 1 hour ago
8 months ago
Long shot · 4%
フルスタックエンジニア
$38k – $63k per year · In office (Tokyo, Japan) · Full-Time
Tokyo · Kuala Lumpur · Bangkok · Pasig · Fukushima · Wind Energy · Solar Energy · Est. 1970 · Trust D · Hiring 10
Shizen Energy develops, builds and operates utility-scale and distributed renewable energy power plants and projects in Japan and internationally. The company provides a self-developed energy management system and offers microgrids capable of islanded operation, virtual power plant (VPP) aggregation for coordinated control of distributed resources, and smart EV charging and discharging services. As of 2023 the Shizen Energy Group had been involved in over 1 GW of renewable generation and in 2022 raised ¥74.4 billion from investors to accelerate its growth toward 100% renewable energy.
No named decision-maker yet.
No careers mailbox known
$38k – $76k per year · In office (Tokyo, Japan) · Full-Time
TypeScript
Python
C#
C#
.NET
DevOps
AWS Fargate
AWS Lambda
Amazon ECS
Amazon CloudWatch
Amazon Kinesis
Amazon S3
AWS
+3
Tokyo · Books · E-learning · Trust B · Hiring 5
Yondemy is a Japanese education company running an online reading programme for children in which its AI tutor recommends books matched to each child. Its mission is to bring rich reading experiences to children across Japan, and it hires UI and UX designers and software engineers for frontend, backend and full stack work. The company is based in Japan.
No named decision-maker yet.
No careers mailbox known
In office (Tokyo, Japan) · Full-Time
TypeScript
SQL
Python
C#
C#
.NET
Databases
Google BigQuery
PostgreSQL
AI/ML
Claude Code
Frontend
GraphQL
DevOps
Google Cloud Run
GitHub Actions
GitHub
GCP
CI/CD
Design
Figma
Management
Miro
+8
In office (Tokyo, Japan) · Full-Time
TypeScript
SQL
Python
C#
C#
.NET
Databases
Google BigQuery
PostgreSQL
AI/ML
Claude Code
Frontend
GraphQL
DevOps
Google Cloud Run
GitHub Actions
GitHub
GCP
CI/CD
Design
Figma
Management
Miro
+8
In office (Tokyo, Japan) · Full-Time
TypeScript
SQL
Python
C#
C#
.NET
Databases
Google BigQuery
PostgreSQL
AI/ML
Claude Code
Frontend
GraphQL
DevOps
Google Cloud Run
GitHub Actions
GitHub
GCP
CI/CD
Design
Figma
Management
Miro
+8
HQ: Tokyo, Japan · Financial Software & Embedded Finance · Investing Apps & Robo-Advisors · Trust B · Hiring 4
TECOTEC is a Japanese fintech company that builds service platforms ranging from crypto assets and Web3 businesses to financial products such as stocks and investment trusts. Its main product is Kabuyu, a stock investment management and analysis app that combines market data with individual investors' trading records, and it hires backend, iOS, Android and cloud infrastructure engineers. The company is based in Tokyo, Japan.
No named decision-maker yet.
No careers mailbox known
In office (Tokyo, Japan) · Full-Time
PHP
TypeScript
Python
PHP
Laravel
Databases
DynamoDB
MySQL
AI/ML
Gemini
Copilot
Mobile
Firebase
DevOps
GitHub
Git
Docker
GCP
CI/CD
AWS
+7
HQ: Tokyo, Japan · Consumer Internet Groups · Trust A · Hiring 13
MOTA is a Japanese internet company that runs services supporting major life decisions, with mobility at the core of its business. It operates the MOTA used car purchase service, which holds a patent for its pre-assessment bulk appraisal model, launched a real estate service in December 2024 and hires product managers, engineers, designers and marketers. The company is based in Tokyo, Japan.
No named decision-maker yet.
No careers mailbox known
Open 250 daysVerified live · 1 hour ago
9 months ago
Long shot · 3%
05_01_バックエンドエンジニア
$38k – $55k per year · In office (Tokyo, Japan, 11am - 4pm) · Full-Time
Kotlin
Java
Python
JavaScript
Databases
MySQL
AI/ML
Scikit-learn
Copilot
Frontend
Bootstrap
JQuery
Alpine.js
Storybook
DevOps
CircleCI
Jenkins
GitHub
CI/CD
AWS
Windows
GCP
+10
HQ: Tokyo, Japan · Mobile Games · Est. 2004 · Trust B · Hiring 8
sonicmoov is a Japanese development studio founded in 2004. It builds mobile applications, games and interactive digital content. The company works with entertainment and consumer brands in Japan.
No named decision-maker yet.
No careers mailbox known
$32k – $51k per year · In office (Tokyo, Japan) · Full-Time
PHP
Node JS
TypeScript
JavaScript
PHP
Laravel
AI/ML
Claude Code
Copilot
Frontend
Next.js
React.js
DevOps
Nginx
Bitbucket
GitHub
Git
AWS
Design
FigJam
Figma
+8
$32k – $51k per year · In office (Tokyo, Japan) · Full-Time
PHP
Node JS
TypeScript
JavaScript
PHP
Laravel
AI/ML
Claude Code
Claude
Copilot
Frontend
Next.js
React.js
DevOps
Nginx
Bitbucket
GitHub
Git
AWS
Design
FigJam
Figma
+9
HQ: Tokyo, Japan · EdTech Platforms · 51-200 employees · Est. 2017 · Likely startup · Trust D · Hiring 16, 1 new
atama plus is a Tokyo education technology company founded in 2017 that builds adaptive learning software for cram schools. Its system diagnoses where a student's understanding broke down and rebuilds the missing foundations before moving forward. The platform is used across thousands of classrooms in Japan and in university entrance testing.
No named decision-maker yet.
No careers mailbox known
$44k – $63k per year · In office (Tokyo, Japan) · Full-Time
TypeScript
Python
JavaScript
Python
Django
Databases
Google BigQuery
PostgreSQL
AI/ML
Streamlit
Devin
Claude Code
Copilot
Frontend
Angular
Mobile
Ionic
DevOps
CircleCI
Datadog
Amazon ECS
GitHub
Terraform
Docker
AWS
Analytics
Looker
Management
Miro
Confluence
Jira
QA
Playwright
+16
$49k – $76k per year · In office (Tokyo, Japan) · Full-Time
TypeScript
Python
JavaScript
Python
Django
Databases
Google BigQuery
PostgreSQL
AI/ML
Streamlit
Devin
Claude Code
Copilot
Frontend
Angular
Mobile
Ionic
DevOps
CircleCI
Datadog
Amazon ECS
GitHub
Terraform
Docker
AWS
Analytics
Looker
Management
Miro
Confluence
Jira
QA
Playwright
+16
HQ: Tokyo, Japan · Sports Media · Fan Engagement · Est. 2017 · Startup · Trust B · Hiring 5
HEARTBEATS is a Japanese sports and entertainment technology company. It runs ORICAL, an official digital trading card collection service offered with 26 partners including ten professional baseball clubs, and hires mobile app, data and front-end platform engineers, data analysts and legal staff. The company is based in Tokyo, Japan.
No named decision-maker yet.
No careers mailbox known
Open 256 daysVerified live · 14 min ago
9 months ago
Long shot · 4%
学生長期インターン（エンジニア）
$18k per year · In office (Tokyo, Japan) · Internship
Ruby
JavaScript
Ruby
Ruby on Rails
Databases
DynamoDB
Amazon Aurora
MySQL
Frontend
React.js
Mobile
React Native
DevOps
AWS
+1
HQ: Tokyo, Japan · Custom Software Development · IT Consulting & Digital Transformation · Est. 2019 · Trust B · Hiring 3
Kokorozashi is a Japanese IT company providing IT consulting and system integration. Its engineers work on client projects with modern stacks and AI development tools, and it hires backend and full-stack engineers. The company is headquartered in Minami-Aoyama, Minato, Tokyo, Japan.
No named decision-maker yet.
Careers mailbox is known
$341k – $537k per year · In office (Tokyo, Japan) · Full-Time
Node JS
TypeScript
Python
JavaScript
Node JS
Nest.JS
Frontend
Next.js
React.js
DevOps
AWS Fargate
AWS Lambda
Amazon ECS
AWS
+3
Open 371 daysVerified live · 2 hours ago
1 year ago
Long shot · 4%
02.バックエンドエンジニア
In office (Tokyo, Japan) · Full-Time
Node JS
TypeScript
Python
JavaScript
Node JS
Nest.JS
Frontend
Next.js
React.js
DevOps
AWS
HQ: Tokyo, Japan · AI Consulting & Integration · Trust B · Hiring 8
GenerativeX is a Japanese consulting firm built on forward deployed engineering that supports companies from the design and rollout of AI agents to strategy and organisational change. It has served more than 80 large companies in finance, pharmaceuticals and manufacturing in Japan and abroad, and it hires software engineers, forward deployed engineers, security engineers and technology executives. The company is based in Tokyo, Japan.
No named decision-maker yet.
No careers mailbox known
Open 263 daysVerified live · 13 min ago
9 months ago
Long shot · 4%
Software Engineer
$41k – $76k per year · In office (Tokyo, Japan) · Full-Time
TypeScript
Node JS
JavaScript
Node JS
Prisma
BullMQ
Databases
Redis
MySQL
AI/ML
Anthropic
OpenAI Agents SDK
Vercel AI SDK
OpenAI
Model Context Protocol
Claude
LLM
Frontend
Next.js
Zod
React.js
DevOps
OpenTelemetry
GitHub
Docker
Azure
AWS
Kubernetes
CI/CD
QA
Playwright
Vitest
+18
$63k – $126k per year · Senior · In office (Tokyo, Japan) · Full-Time · Senior
TypeScript
Node JS
JavaScript
Node JS
Prisma
BullMQ
Databases
Redis
MySQL
AI/ML
Anthropic
OpenAI Agents SDK
Vercel AI SDK
OpenAI
Model Context Protocol
Claude
LLM
Frontend
Next.js
Zod
React.js
DevOps
OpenTelemetry
GitHub
Docker
Kubernetes
Azure
AWS
QA
Playwright
Vitest
+17
≈ $67k – $144k per year (Estimated) · Staff+ · In office (Tokyo, Japan) · Full-Time · Staff
TypeScript
Node JS
JavaScript
Node JS
Prisma
BullMQ
Databases
Redis
MySQL
AI/ML
Anthropic
OpenAI Agents SDK
Vercel AI SDK
OpenAI
Model Context Protocol
Claude
LLM
Frontend
Next.js
Zod
React.js
DevOps
OpenTelemetry
GitHub
Docker
Kubernetes
Azure
AWS
QA
Playwright
Vitest
+17
HQ: Tokyo, Japan · Property Development · Custom Software Development · Hiring 4
UrbanX Technologies is a Japanese technology company spun out of the University of Tokyo that uses AI to manage ageing urban infrastructure such as roads and bridges. It became a consolidated subsidiary of the listed mapping company Zenrin in July 2025, combines geospatial data with AI analysis and hires full-stack and backend engineers. The company is based in Japan.
No named decision-maker yet.
Careers mailbox is known
Open 263 daysVerified live · 1 hour ago
9 months ago
Long shot · 4%
E01_バックエンドエンジニア
$38k – $63k per year · In office (Tokyo, Japan) · Full-Time
Python
Python
FastAPI
Django
AI/ML
Weights & Biases
OpenCV
MLFlow
Label Studio
Pandas
NumPy
Amazon SageMaker
TensorFlow
PyTorch
DevOps
Amazon EC2
Amazon S3
GitHub Actions
Docker
CI/CD
AWS
+10
Open 263 daysVerified live · 1 hour ago
9 months ago
Long shot · 4%
E02_フルスタックエンジニア
$38k – $70k per year · In office (Tokyo, Japan) · Full-Time
Python
Python
FastAPI
Django
AI/ML
Weights & Biases
OpenCV
MLFlow
Label Studio
Pandas
NumPy
Amazon SageMaker
TensorFlow
PyTorch
DevOps
Amazon EC2
Amazon S3
GitHub Actions
Docker
CI/CD
AWS
+10
HQ: Tokyo, Japan · Chemical Manufacturing · Likely startup · Trust A · Hiring 3
Sotas is a Japanese chemical industry startup that offers cloud services to automate regulatory compliance for chemical substances and streamline materials procurement. Its three business lines cover chemical regulatory research, a chemical data platform and procurement support for chemical traders and manufacturers, and it hires backend, frontend, infrastructure and machine learning engineers, a product designer and a CTO candidate. The company is based in Japan.
No named decision-maker yet.
Careers mailbox is known
In office (Tokyo, Japan, 10am - 3pm)
Kotlin
TypeScript
JavaScript
Kotlin
Ktor
Exposed
Databases
PostgreSQL
AI/ML
Devin
Claude Code
Frontend
GraphQL
Next.js
React.js
DevOps
GitHub
Terraform
Docker
AWS
Design
Figma
Management
Linear
+9
HQ: Tokyo, Japan · Enterprise Apps Implementation Partners · Managed IT Services (MSP) · Systems Integrators · Trust D · Hiring 11
Hitachi Systems Engineering Services is a Japanese IT services company of the Hitachi group that develops and operates information systems and supports social infrastructure such as logistics. Founded in 1970, it hires network and server engineers, Oracle database support engineers and SAP engineers in Tokyo, Yokohama, Osaka and Ibaraki. The company is headquartered in Tokyo, Japan.
No named decision-maker yet.
No careers mailbox known
Likely inactiveVerified live · 2 hours ago
9 months ago
Long shot · 3%
ID262-SE(開発リーダー)
$48k – $57k per year · In office (Tokyo, Japan) · Full-Time
C#
JavaScript
C#
.NET
Mobile
MAUI
HQ: Tokyo, Japan · Health Insurance & Benefits · 51-200 employees · Est. 2024 · Trust B · Hiring 8
VC Startup Health Insurance Society is a Japanese health insurance society that supports the health and lives of employees of venture capital firms and startups and their families. Set up in 2024, it and its group companies use AI and other advanced technology, and they hire an information security lead, product managers, software engineers, UI and UX designers and corporate managers. The society is based in Japan.
No named decision-maker yet.
No careers mailbox known
$38k – $76k per year · In office (Tokyo, Japan) · Full-Time
JavaScript
Databases
Supabase
Frontend
Tailwind CSS
Next.js
React.js
HQ: Tokyo, Japan · Consumer & Utility Software · Weddings & Bridal · Likely startup · Hiring 2
Original is a Tokyo company operating Wedding News, a wedding preparation app supported by many brides-to-be. Its product managers handle user and business issues, requirements, specifications and agile sprint management together with designers and engineers, and the company hires server-side engineers. The company is headquartered in Tokyo, Japan.
No named decision-maker yet.
No careers mailbox known
In office (Tokyo, Japan) · Full-Time
Dart
Node JS
TypeScript
Python
JavaScript
Python
Django
Django REST Framework
Dart
Riverpod
Freezed
Databases
Memcached
ElasticSearch
OpenSearch
Amazon Aurora
Redis
MySQL
Frontend
Redux
Next.js
React.js
Mobile
Flutter
Firebase
DevOps
GitHub Actions
GitHub
Rest API
Docker
CI/CD
AWS
Amazon EC2
Amazon S3
Design
Figma
+21
HQ: Tokyo, Japan · Internet Services · Media & Entertainment · Gaming · 11-50 employees · Est. 2003 · Trust B · Hiring 13
Square Enix is a Tokyo game publisher formed in 2003 from the merger of Square and Enix. It owns the Final Fantasy and Dragon Quest franchises, operates the long running Final Fantasy XIV online service and publishes titles worldwide. The company also runs manga publishing and arcade businesses in Japan.
Matsuda Yosuke · Director · decision-maker
Kiryu Takashi · Director
No careers mailbox known
Open 265 daysVerified live · 2 hours ago
9 months ago
Long shot · 5%
Webアプリケーションエンジニア
In office (Tokyo, Japan) · Full-Time
Ruby
Ruby
Ruby on Rails
DevOps
GCP
HQ: Tokyo, Japan · Venues · Hiring 2
Naka-lab is the information hub for three cultural venues in Nakano, Tokyo: Nakano ZERO, Nogata Kumin Hall and Nakano Geino Shogekijo. It publishes programs for concerts, theatre, traditional performing arts and community events, and supports organisers who rent the halls. It is based in Nakano, Tokyo, Japan.
No named decision-maker yet.
No careers mailbox known
Open 266 daysVerified live · 1 hour ago
9 months ago
Long shot · 4%
【正社員】本社｜WEBエンジニア
In office (Tokyo, Japan) · Full-Time
Ruby
Ruby
Ruby on Rails
DevOps
GitHub
HQ: Tokyo, Japan · Integration & API Management · Scheduling & Booking Software · Hiring 3
Toyokumo, Inc., with a mission to "Freeing all people from inefficient work," provides Safety Confirmation Service II, kintone integration services, and Toyokumo Scheduler.
No named decision-maker yet.
No careers mailbox known
$38k – $637k per year · In office (Tokyo, Japan, 3pm - 9pm)
TypeScript
JavaScript
AI/ML
AWS Bedrock
OpenAI
Claude
Frontend
Webpack
esbuild
DevOps
GCP
Azure
AWS
QA
Vitest
+3
HQ: Tokyo, Japan · Investing Apps & Robo-Advisors · Online Brokerage & Trading Platforms · 1-10 employees · Trust D · Hiring 10
PayPay Securities is a smartphone-based securities brokerage in the PayPay group that offers asset management services anyone can use in daily life. Its parent PayPay is a payment platform with more than 75 million users in Japan, and the brokerage hires backend, cloud infrastructure, frontend, QA and product engineers. The company is headquartered in Tokyo, Japan.
No named decision-maker yet.
No careers mailbox known
Likely inactiveVerified live · 1 hour ago
9 months ago
Long shot · 2%
Webエンジニア
Tokyo · Remote (Japan) · Full-Time
≈ $45k – $92k per year (Estimated) · Senior · 5+ years exp · Hybrid (Tokyo, Japan) · Bachelor's Degree · Full-Time · Senior · Japanese: C1 · English
Kotlin
Scala
PHP
Java
Python
Databases
MySQL
DevOps
Rest API
AWS
HQ: Tokyo, Japan · IT Consulting & Digital Transformation · IT Outsourcing & Dedicated Teams · Staffing · EOR · Hiring 2
Wakka is a Japanese IT services company providing offshore software development in Vietnam and IT consulting. Its own development centre in Ho Chi Minh City works on core business systems and custom e-commerce builds for listed companies, and it hires system engineers and project leader candidates who connect clients with the offshore team. The company is based in Tokyo, Japan.
No named decision-maker yet.
No careers mailbox known
$455k – $607k per year · In office (Tokyo, Japan) · Full-Time
$303k – $455k per year · In office (Tokyo, Japan) · Full-Time
