JIJ Inc.
As of 30 October 2026, JIJ Inc. has 24 open roles (9 new in 30 days), its business development & strategy team is hiring most, and its postings name GitHub, Notion and Python as the tools the team works in.
As of 30 October 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.
- Headquarters
- Shibaura(2-4-Chome), Tokyo To, Japan
- Employees
- 11-50 employees (linkedin)
- Sells to
- industrial enterprises, power operations
- Certifications on site
- Site languages
- EN
- Career system
- Herp
JIJ Inc. in one screen
Read from j-ij.com: what the company does, the customers it names, the buyers we can actually see, and the companies that sell the same thing.
JIJ Inc. is a software company that applies mathematical optimization, quantum technologies, and AI to turn complex planning and optimization challenges into computable models. Its core offering is the JijZept AI platform, including the JijZept Solver and JijModeling 2, for companies solving complex decision-making problems. The company operates across Japan, the UK, Germany, and the United States.
Named on the site: industrial enterprises, power operations.
Nearest companies by what they do, sell and whom they serve, 51+ employees. 596 scored.
What JIJ Inc. says it runs
Tools named in the company's own postings as the team's systems, with the sentence that says so. What the website and DNS show is listed separately.
- GitHub- Notion- 主な開発言語: Python, TypeScript, JavaScript, Rust, Go, ShellScript- 量子SDK：Qiskit、Quri-Parts 等- 量子プログラミング言語（Qiskit、pennylane, quri-parts等）を使用したソフトウェア開発- Rust- AWS、GCP等のクラウド基盤設計・構築- Claude, Gemini, GitHub Copilot等の生成AIツール- ライブラリ/フレームワーク/スキーマ: FastAPI, Next.js, React, Vue.js, Laravel, Nest.js, Node.js, Flutter, Jest, pytest, Cypress- Claude, Gemini, GitHub Copilot等の生成AIツール- デザインツール：Figma、Photoshop、Illustrator- デザインツール：Figma、Photoshop、Illustrator- 開発 CI/CD: GitHub, GitHub Actions, Docker, Kubernetes, Codecov, Datadog- 量子SDK: Qiskit, QURI-Parts, PennyLane, CUDA-QVendors whose code loads on j-ij.com or whose records sit in its DNS. Page plumbing (libraries, fonts, consent banners) is left out.
24 open roles, 13 opened in 90 days
Read hourly from the company's career system. Open roles and new roles in the last 30 days, by team. Companies hiring business development & strategy in Japan →
| open · new 30 d | |
|---|---|
| Business development & strategy | 3 · 0 |
| Software engineering | 3 · 1 |
| Data & AI | 2 · 1 |
| General management & consulting | 2 · 0 |
| Human resources | 2 · 2 |
| Legal, compliance & risk | 1 · 0 |
| Product, program & project management | 1 · 0 |
| Unclassified | 1 · 1 |
What is changing, read from the postings
Intents are events the employer states about itself, each with the sentence and the posting it came from.
No change signals read in the current postings.
Sales, marketing and IT leaders by function. Add JIJ Inc. to a monitor and get a webhook when a role opens, a tool appears or a signal is read.
Start free, no card. The first 20 are above; e-mails are verified at the mail server when you open them.
Companies like JIJ Inc.
Nearest by what they do, what they sell and whom they sell to, 51+ employees. 6 of 596 scored.
From the company's own website
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
JIJ Inc. (Shibaura(2-4-Chome), Japan, 11-50 employees) has 24 open roles, 9 new in 30 days, and names 14 tools in its postings. (Breaknorm, 30 October 2026, https://breaknorm.co/company/j-ij.com)
Read from the source, not self-reported
Every number on this page can be traced to a page we crawled or a posting we read. Full methodology →
- ProfileBuilt from j-ij.com: summary, offerings, customers, certifications and contact points are extracted from its pages, with a confidence score per field.
- HiringRead hourly from the company's Herp career site; reposts collapse into one record.
- Tech stackTools the employer's own text names as the team's systems, with the quote; website scripts counted separately.
- HeadcountLinkedIn where known, otherwise estimated from the site.
JIJ Inc.: questions
Does JIJ Inc. use GitHub?
Yes, by the company's own words: 8 postings name it, first seen 2026-06-29, in the data & ai team.
Is JIJ Inc. hiring?
24 open roles as of 30 October 2026, 9 opened in the last 30 days and 0 closed. The largest team hiring is business development & strategy.
Where does this profile come from?
From j-ij.com itself: we crawled it on 2026-09-07, built the profile on 2026-09-13, and read its career site (Herp) hourly since. Headcount is from LinkedIn.
Who should I write to at JIJ Inc.?
The people are behind the login: decision makers by function, verified at the mail server when you open them. 0 public role addresses from the site are there too.
Get this company your way
The same data as a search, over MCP and the API, as bulk files, or pushed to you as it changes.
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