HQ: Tokyo, Japan · Sports Media · Fan Engagement · Est. 2017 · Startup · Trust B · Hiring 6
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 249 daysVerified live · 24 min ago
8 months ago
Long shot · 3%
学生長期インターン（エンジニア）
$20k 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
$344k – $542k 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 364 daysVerified live · 2 hours ago
12 months ago
Long shot · 3%
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 256 daysVerified live · 23 min ago
8 months ago
Long shot · 3%
Software Engineer
$41k – $77k 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
Model Context Protocol
OpenAI
Claude
LLM
Frontend
Next.js
Zod
React.js
DevOps
OpenTelemetry
GitHub
Docker
Azure
AWS
Kubernetes
CI/CD
QA
Playwright
Vitest
+18
$64k – $128k 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
Model Context Protocol
OpenAI
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
Model Context Protocol
OpenAI
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, 2 new
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 256 daysVerified live · 1 hour ago
8 months ago
Long shot · 3%
E01_バックエンドエンジニア
$38k – $64k 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 256 daysVerified live · 1 hour ago
8 months ago
Long shot · 3%
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 B · Hiring 5
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
Open 256 daysVerified live · 2 hours ago
8 months ago
Long shot · 3%
EG04_バックエンドエンジニア
In office (Tokyo, Japan) · Full-Time
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
Open 256 daysVerified live · 2 hours ago
8 months ago
Long shot · 3%
EG02_リードエンジニア（候補）
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
8 months ago
Long shot · 2%
ID262-SE(開発リーダー)
$49k – $58k 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 – $77k 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 258 daysVerified live · 2 hours ago
8 months ago
Long shot · 6%
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 259 daysVerified live · 1 hour ago
8 months ago
Long shot · 3%
【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: Naha, Japan · Creative Agencies · Advertising · Digital Marketing · Est. 2008 · Trust D · Hiring 19
CA Advance is a Japanese internet services company of the CyberAgent group working in internet advertising, media, games, creative production and writing. Founded on 2 June 2008, it has about 1,724 employees and branches in Sapporo and Sendai that hire ad creators, designers and engineers. The company is headquartered in Naha, Okinawa, Japan.
No named decision-maker yet.
No careers mailbox known
Likely inactiveVerified live · 5 hours ago
8 months ago
Long shot · 2%
28年 新卒/Webエンジニア
$21k – $248k per year · In office (Naha, Japan) · Full-Time
Ruby
PHP
Node JS
TypeScript
JavaScript
Python
Ruby
Ruby on Rails
Frontend
Next.js
Angular
React.js
DevOps
Amazon EC2
Amazon ECS
Terraform
Docker
AWS
+7
Likely inactiveVerified live · 5 hours ago
1 year ago
Long shot · 2%
27年新卒/Webエンジニア
$21k – $248k per year · In office (Naha, Japan) · Full-Time
Ruby
PHP
Node JS
TypeScript
JavaScript
Python
Ruby
Ruby on Rails
Frontend
Next.js
Angular
React.js
DevOps
Amazon EC2
Amazon ECS
Terraform
Docker
GCP
AWS
+8
$21k – $248k per year · In office (Naha, Japan) · Contractor
Ruby
PHP
TypeScript
JavaScript
Python
PHP
Laravel
Ruby
Ruby on Rails
AI/ML
OpenAI Codex
Claude Code
Frontend
Next.js
JQuery
React.js
Mobile
React Native
DevOps
Ubuntu
GitHub
Linux
AWS
+9
HQ: Tokyo, Japan · Integration & API Management · Scheduling & Booking Software · Hiring 3, 1 new
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 – $643k 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 · 3 hours ago
8 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
Scala
Kotlin
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
$459k – $612k per year · In office (Tokyo, Japan) · Full-Time
$306k – $459k per year · In office (Tokyo, Japan) · Full-Time
HQ: Tokyo, Japan · Scheduling & Booking Software · Catering & Food Services · Hiring 4
Xmart is a Japanese food-service technology company that runs Cross Order, a platform for ordering and communication between restaurants and food wholesalers. Cross Order handles orders through LINE and fax, online promotions and digital invoices, and the company, which raised a Series B round in January 2023, hires frontend and server-side engineers and customer success staff in Tokyo and Osaka. The company is based in Japan.
No named decision-maker yet.
No careers mailbox known
Open 264 daysVerified live · 2 hours ago
8 months ago
Long shot · 3%
サーバーサイドエンジニア（正社員）
$32k – $51k per year · In office (Japan) · Full-Time
HQ: Niigata, Japan · IT Consulting & Digital Transformation · Trust B · Hiring 6
Prossell is a Japanese digital solutions company that works closely with engineers trained at national colleges of technology (kosen). It covers AI, image processing, web and mobile development and cybersecurity, adopted a holding structure in November 2025, and hires machine learning, software, security, QA and PLC engineers. The company is headquartered in Niigata, Japan.
No named decision-maker yet.
No careers mailbox known
Open 264 daysVerified live · 2 hours ago
8 months ago
Long shot · 3%
サーバーサイドエンジニア
In office (Niigata, Japan, 11am - 3pm) · Full-Time
Open 264 daysVerified live · 2 hours ago
8 months ago
Long shot · 3%
ソフトウェアエンジニア
In office (Niigata, Japan, 11am - 3pm) · Full-Time
Tsukuba · Humanoid Robots · Medical & Healthcare Robotics · Est. 1970 · Hiring 2
CYBERDYNE develops cybernics technologies and robotic medical devices that integrate humans and machines to assist movement and rehabilitation. The company is best known for its wearable Hybrid Assistive Limb (HAL) exoskeleton and related Cybernics interfaces and devices, which are used in medical rehabilitation, nursing care, industrial workplaces and daily living support. Founded as a university-originated venture in 2004, CYBERDYNE commercializes and socially implements Cybernics systems through clinical deployments, licensing and partnerships in Japan and international markets.
No named decision-maker yet.
No careers mailbox known
Open 264 daysVerified live · 3 hours ago
8 months ago
Long shot · 3%
ソフトウェアエンジニア
In office (Tsukuba, Japan)
HQ: Tokyo, Japan · Custom Software Development · Manufacturing & Industrial Software · Hiring 2
DriveX is a software company that develops Smart Production Planning, an AI production scheduler for manufacturers. The tool connects to existing ERP systems and Excel to create plans that balance workloads and meet delivery dates without changing shop floor operations, and the company hires full-stack engineers. The company is based in Tokyo, Japan.
No named decision-maker yet.
No careers mailbox known
$54k – $77k per year · In office (Tokyo, Japan) · Full-Time
In office (Tokyo, Japan) · Freelance
Tokyo · Scheduling & Booking Software · Early Childhood Education · Trust B · Hiring 8
SEN is a childcare technology company that operates the Hai Cheese service for nurseries and kindergartens. It sells school photos online, provides ICT services to childcare facilities and employs photographers specialised in school photography, while hiring lead, frontend and backend engineers and tech leads. The company is based in Japan.
No named decision-maker yet.
No careers mailbox known
Open 266 daysVerified live · 2 hours ago
8 months ago
Long shot · 3%
リードエンジニア
$38k – $51k per year · In office (Tokyo, Japan) · Full-Time
Kotlin
PHP
TypeScript
JavaScript
Node JS
PHP
Laravel
Symfony
Node JS
Nest.JS
Databases
DynamoDB
ElasticSearch
Amazon Aurora
Snowflake
MySQL
PostgreSQL
Frontend
Vue.js
React.js
DevOps
Zabbix
Loki
Fluent Bit
Nginx
Tempo
AWS Fargate
AWS Lambda
Amazon EC2
Amazon ECS
Amazon CloudWatch
Amazon Kinesis
AWS Step Functions
Prometheus
GitHub Actions
Grafana
GitHub
Terraform
CI/CD
AWS
Design
FigJam
Figma
+29
Open 266 daysVerified live · 2 hours ago
8 months ago
Long shot · 3%
バックエンドエンジニア
$36k – $43k per year · In office (Tokyo, Japan) · Full-Time
Kotlin
PHP
TypeScript
JavaScript
Node JS
PHP
Laravel
Symfony
Node JS
Nest.JS
Databases
DynamoDB
ElasticSearch
Amazon Aurora
Snowflake
MySQL
PostgreSQL
Frontend
Vue.js
React.js
DevOps
Zabbix
Loki
Fluent Bit
Nginx
Tempo
AWS Fargate
AWS Lambda
Amazon EC2
Amazon ECS
Amazon CloudWatch
Amazon Kinesis
AWS Step Functions
Prometheus
GitHub Actions
Grafana
GitHub
Terraform
CI/CD
AWS
Design
FigJam
Figma
+29
HQ: Tokyo, Japan · Custom Software Development · GameFi · Est. 2020 · Trust B · Hiring 3
GALLUSYS is a Japanese system development company behind SNPIT, one of Japan's largest blockchain games. Established in September 2020, it hires backend and frontend engineers with Node.js and Web3 experience. The company is headquartered in Tokyo, Japan.
No named decision-maker yet.
No careers mailbox known
Open 267 daysVerified live · 2 hours ago
8 months ago
Long shot · 3%
バックエンドエンジニア
In office (Tokyo, Japan)
In office (Tokyo, Japan)
Node JS
JavaScript
Node JS
Nest.JS
DevOps
GCP
Azure
QA
Swagger
