Forthree
43s.co.jp
Actively hiring
View 2 jobs
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Overview
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Products
People
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Jobs
Financials
How Forthree hires
Truth index
B 75/100
Ghost roles
0%
Stale roles
100%
Reposted roles
0%
Forthree scores B on the Alion truth index (A is best, E worst), measured over 3 open roles re-checked against its own hiring board: 0% look like ghost listings, 100% 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
Tech stack
Technologies named in job postings at Forthree over the last 12 months, by layer, with the share of postings for each.
Technologies in use
37
Postings analysed
2
Stack modernity
79/100AI adopter
Languages
JavaScript
PHP
Python
TypeScript
Node JS
Frameworks & libraries
JQuery
Laravel
Mastra
Next.js
Playwright
Puppeteer
React Router
React.js
Databases
MySQL
Amazon Aurora
BigQuery
DynamoDB
Google BigQuery
PostgreSQL
Cloud & platforms
AWS
GCP
Linux
Cloudflare
Dify
GitHub
OpenAI
Vercel
Developer tools
Cursor
Claude Code
Docker
Firecrawl
Git
AI & ML
Claude
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Growth
Hiring Momentum
28/100
Slowing
Open positions
4
0 opened / 0 closed in 30 days
ATS activity
Every ~2 days
09/28/2026
Hiring Dynamics
0%
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.
Early Careers
100% ▲
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
4 open roles 1 posted in 90 days 50% engineering $36k Avg Salary
hires for Early Careers, AI/ML, Backend
Jobs
$39k – $58k per year • In office • Full-Time • Tokyo
JavaScript
PHP
Laravel
Databases
MySQL
DynamoDB
Amazon Aurora
AI/ML
Cursor
Claude
Frontend
JQuery
DevOps
GCP
Git
AWS
Linux
Apply
In office • Full-Time • Tokyo
Python
JavaScript
TypeScript
Node JS
Puppeteer
Databases
MySQL
PostgreSQL
pgvector
Google BigQuery
BigQuery
AI/ML
Cursor
Claude
Claude Code
Dify
Vertex AI
Firecrawl
OpenAI
Mastra
Vercel AI SDK
Frontend
Tailwind CSS
Next.js
React.js
React Router
DevOps
GCP
Vercel
AWS
Docker
Cloudflare
GitHub
Linux
Management
n8n
QA
Playwright
Apply