OPEN logo
OPEN logo

OPEN

open.co.jp
open.co.jp • Tokyo • Founded 2013
Tokyo • Founded 2013
Actively hiring
View 9 jobs
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Overview
Technologies
Salaries
Products
People
Growth
Offices
Jobs
Financials

How OPEN hires

Truth index
C 67/100
Ghost roles
56%
Stale roles
0%
Reposted roles
0%

OPEN scores C on the Alion truth index (A is best, E worst), measured over 18 open roles re-checked against its own hiring board: 56% look like ghost listings, 0% have gone stale and 0% are the same role posted again. It measures how much of what this employer publishes turns into a real, finite search - not the employer as a workplace. How the index is computed

Overview

オープン株式会社は、AIトランスフォーメーションを軸に、DXパートナー型とBPaaS型の2つの事業形態で、業務自動化から事業成長まで企業変革を支援します。事業内容、会社情報、採用情報、最新の取り組みをご紹介します。.

Technologies

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Tech DNA
Python
JavaScript
TypeScript
Django
Django REST Framework
Vue.js
PostgreSQL
Amazon Aurora
BigQuery
AWS
AWS Lambda
Azure
Claude
LLM
Gemini
AI/ML
Python
AWS
Docker
Claude
LLM
OpenAI
AWS Lambda
GitHub
PostgreSQL
Azure
Amazon ECS
CI/CD
Django REST Framework
Terraform
GCP
Git
Gemini
RAG
OCR
AI Agents
LangChain
Pandas
flake8
isort
Mypy
AWS Fargate
GitHub Actions
Amazon S3
Amazon Aurora
BigQuery
Google BigQuery
Mastra
ChatGPT
Cursor
Anthropic
AWS Bedrock
Agentforce
Claude Code
Frontend
JavaScript
TypeScript
Vite
Vue.js
Next.js
React.js
ESLint
Prettier
Backend
Kotlin
Java
Django
Spring Boot
FastAPI
Other
Apex
PoC Library
Slack
Playwright
Vitest
Google Drive
Google Workspace
UiPath
Okta
Tableau
Stack modernity Cutting-edge AI adopter
88/100
How modern this stack is, based on technology relevance, AI adoption and the share of legacy tools.
In-demand technologies
AWS 9 jobs Required
$790k +310% vs market
Python 7 jobs Required
$790k +330% vs market
PoC Library 6 jobs Required
$625k +279% vs market
JavaScript 5 jobs Required
$790k +376% vs market
TypeScript 5 jobs Required
$790k +316% vs market
Docker 5 jobs Required
$790k +369% vs market
LLM 5 jobs Required
$790k +279% vs market
OpenAI 5 jobs Required
$790k +229% vs market
Salary medians are calculated from this company's open jobs and compared with the market.
Stack changes
Claude Code Sep 2026
Amazon S3 Sep 2026
Vue.js Sep 2026
Vitest Sep 2026
Vite Sep 2026
Prettier Sep 2026
Playwright Sep 2026
Pandas Sep 2026
Technologies recently added to or removed from this company's stack - a signal of tech migrations and new initiatives.
Similar stack
Job Mail 61 shared technologies VueJobs 60 shared technologies Jobgether 59 shared technologies Inetum 56 shared technologies Weekday 56 shared technologies Accenture 56 shared technologies

Salary insights

Compensation ranges based on this company's open jobs
Median
$739k
Typical range
$448k – $1.1M
Open positions
16
1 Jobs
Staff 100%
Level Jobs Median Typical range
Staff 1 $1.1M $1.1M
Highest paying role オートメーション事業部門 サービスデリバリー 【FDE事業】Forward Deployed Engineer $1.1M
Normalized to USD per year

Growth

Hiring Momentum
28/100
Slowing
Open positions
18
0 opened / 0 closed in 30 days
ATS activity
Every ~4 hours
Today
Hiring Focus
The percentage next to each role is its share of the company's job openings over the last 90 days; the arrow shows the shift versus the previous period.
Backend
25% ▲
Customer Success
25% ▼
AI/ML
13% ▲
Management
13% ▲
Enterprise Apps
13% ▼
Early Careers
13% ▼

Offices

Where the company hires and what each office is for
Cities
1
Hiring now
1
Countries
1
Busiest office
Tokyo
Tokyo Japan
Regional office
18 open roles 8 posted in 90 days 44% engineering $722k Avg Salary
hires for AI/ML, Backend, Management
西新橋3-3-1 KDX西新橋ビル3階, 港区, 東京都, 105-0003, JP
seen since Oct 2025 company site, job postings

Jobs

≈ $35k – $95k per year (Estimated) • In office • Full-Time • Tokyo
Python
JavaScript
TypeScript
Django
Django REST Framework
Databases
PostgreSQL
AI/ML
Claude
Claude Code
OpenAI
Frontend
Vue.js
Vite
DevOps
AWS
Docker
AWS Lambda
GitHub
Amazon S3
Management
Slack
Google Drive
QA
Playwright
Vitest
Apply
≈ $35k – $96k per year (Estimated) • In office • Full-Time • Tokyo
Python
JavaScript
TypeScript
Django
Mypy
Django REST Framework
flake8
isort
Databases
PostgreSQL
AI/ML
LangChain
AI Agents
Pandas
LLM
OpenAI
Frontend
Vue.js
Vite
ESLint
Prettier
DevOps
AWS
Docker
AWS Lambda
GitHub
Amazon ECS
Management
Slack
Google Drive
QA
Playwright
Vitest
Apply
$561k – $951k per year • In office • Full-Time • Tokyo
Python
JavaScript
TypeScript
Django
Mypy
Django REST Framework
flake8
isort
Databases
PostgreSQL
AI/ML
LangChain
AI Agents
Pandas
LLM
OpenAI
Frontend
Vue.js
Vite
ESLint
Prettier
DevOps
CI/CD
AWS
Docker
AWS Lambda
GitHub
Amazon ECS
Management
Slack
Google Drive
QA
Playwright
Vitest
Apply
$488k – $790k per year • In office • Full-Time • Tokyo
Apex
Claude
Agentforce
DevOps
Git
Analytics
Tableau
Apply
$561k – $1.1M per year • In office • Full-Time • Tokyo
Claude
AWS Bedrock
Anthropic
DevOps
AWS
Chips/EDA
PoC Library
Apply
$488k – $790k per year • In office • Full-Time • Tokyo
Python
Google BigQuery
BigQuery
AI/ML
LLM
DevOps
Terraform
GCP
Azure
AWS
Cybersecurity
Okta
Management
Google Workspace
Apply
$382k – $790k per year • In office • Full-Time • Tokyo
Python
JavaScript
TypeScript
FastAPI
Django
AI/ML
Cursor
Claude
ChatGPT
Gemini
LLM
RAG
OpenAI
Frontend
Next.js
React.js
DevOps
GCP
CI/CD
Git
AWS
Docker
Management
Slack
Google Workspace
Apply
$488k – $688k per year • In office • Full-Time • Tokyo
Python
JavaScript
Java
Kotlin
TypeScript
Spring Boot
Databases
PostgreSQL
Amazon Aurora
AI/ML
Claude
Gemini
LLM
RAG
OpenAI
Mastra
Frontend
Next.js
React.js
DevOps
Terraform
GitHub Actions
CI/CD
AWS
Docker
AWS Fargate
AWS Lambda
GitHub
Amazon ECS
Apply
$561k – $1.1M per year • In office • Full-Time • Tokyo
Azure
AWS
Chips/EDA
PoC Library
Apply
All 9 jobs at OPEN salaries, cities, levels and how long each has been open