Citadel AI logo
Citadel AI logo

Citadel AI

citadel.co.jp
citadel.co.jp • Tokyo
Tokyo
Actively hiring
Cybersecurity
MLOps
Artificial Intelligence
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Overview

Citadel AI builds products to test and monitor high-risk AI systems. Our mission is to make the world's AI systems more reliable and trustworthy.

Technologies

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Tech DNA
Python
SQL
FastAPI
Flask
PostgreSQL
Redis
AWS
Azure
GCP
LLM
AI/ML
Python
SQL
AWS
Azure
Docker
GCP
Google Cloud Run
OpenTofu
LLM
Vertex AI
PostgreSQL
Redis
Other
FastAPI
Flask
Stack modernity Cutting-edge AI adopter
82/100
How modern this stack is, based on technology relevance, AI adoption and the share of legacy tools.
In-demand technologies
Python 2 jobs Required
SQL 2 jobs Required
PostgreSQL 2 jobs Required
Redis 2 jobs Required
GCP 2 jobs Required
Flask 2 jobs Required
OpenTofu 2 jobs Required
Vertex AI 2 jobs Required
Salary medians are calculated from this company's open jobs and compared with the market.
Industry adoption
Python
20%
AWS
16%
SQL
14%
Docker
13%
LLM
13%
GCP
12%
Share of companies in the same industry that use each technology.
Stack changes
Vertex AI Jul 2026
SQL Jul 2026
Redis Jul 2026
Python Jul 2026
PostgreSQL Jul 2026
OpenTofu Jul 2026
LLM Jul 2026
Google Cloud Run Jul 2026
Technologies recently added to or removed from this company's stack - a signal of tech migrations and new initiatives.
Similar stack
Jobgether 16 shared technologies Kyndryl 16 shared technologies Devoteam 16 shared technologies Adobe 15 shared technologies Capgemini 15 shared technologies Fractal 15 shared technologies

Growth

Hiring Momentum
58/100
Growing
Open positions
2
0 opened / 0 closed in 30 days
ATS activity
Every ~3 days
08/31/2026
Hiring Dynamics +100%
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
100% ▲
Activity Timeline
Added Vertex AI to stack Jul 2026
Added SQL to stack Jul 2026
Added Redis to stack Jul 2026
Added Python to stack Jul 2026
Added PostgreSQL to stack Jul 2026
Added OpenTofu to stack Jul 2026
Added LLM to stack Jul 2026
Added Google Cloud Run to stack Jul 2026
Added GCP to stack Jul 2026
Added Flask to stack Jul 2026
Added FastAPI to stack Jul 2026
Added Docker to stack Jul 2026

Jobs

≈ $41k – $95k per year (Estimated) • In office • Full-Time • 5+ years exp • Tokyo
Python
SQL
FastAPI
Flask
Databases
PostgreSQL
Redis
AI/ML
LLM
Vertex AI
DevOps
AWS
Azure
Docker
GCP
Google Cloud Run
OpenTofu
Apply

Backend & Cloud Engineer

 Verified live · 1 day ago 2 months ago
≈ $25k – $84k per year (Estimated) • Remote/Hybrid • Full-Time • 3+ years exp • Tokyo
Python
SQL
FastAPI
Flask
Databases
PostgreSQL
Redis
AI/ML
LLM
Vertex AI
DevOps
AWS
Azure
Docker
GCP
Google Cloud Run
OpenTofu
Apply