U Zero: 3 Jobs, Salaries & Tech Stack (2026)

How U Zero hires

Truth index

B 75/100

Ghost roles

0%

Stale roles

100%

Reposted roles

0%

U Zero scores B on the Alion truth index (A is best, E worst), measured over 4 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 U Zero over the last 12 months, by layer, with the share of postings for each.

Technologies in use

31

Postings analysed

1

Stack modernity

97/100AI adopter

Languages

Kotlin

Python

SQL

TypeScript

Java

JavaScript

Ruby

Frameworks & libraries

FastAPI

Next.js

PyTorch

Ruby on Rails

Sentence-Transformers

Spring Boot

React.js

Transformers

Databases

PostgreSQL

Cloud & platforms

Azure

GCP

GitHub

GitHub Actions

Google Colab

OpenAI

Developer tools

Claude Code

Keycloak

Cursor

AI & ML

ChatGPT

Claude

Gemini

LLM

Practices & domains

CI/CD

Text-to-Speech

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Growth

Hiring Momentum

28/100

Slowing

Open positions

4

0 opened / 0 closed in 30 days

ATS activity

Every ~7 hours

09/26/2026

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.

Data Science

25% ▼

Backend

25% ▼

Product

25% ▼

Customer Success

25% ▼

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

3 open roles 67% engineering

hires for Data Science, Backend, Product

seen since Apr 2025 job postings

Jobs

01.エンジニアリング本部 | データサイエンティスト

≈ $38k – $103k per year (Estimated) • In office • Tokyo

Python

JavaScript

Java

Kotlin

TypeScript

SQL

Ruby

FastAPI

Java

Spring Boot

Ruby

Ruby on Rails

Databases

PostgreSQL

AI/ML

Cursor

Claude

ChatGPT

Claude Code

Sentence-Transformers

Google Colab

Transformers

PyTorch

Gemini

LLM

OpenAI

Text-to-Speech

Frontend

Next.js

React.js

DevOps

GCP

GitHub Actions

Azure

CI/CD

GitHub

Cybersecurity

Keycloak

Management

Slack

Apply

View

02.プロダクトマネジメント部 | プロダクトマネージャー

≈ $48k – $104k per year (Estimated) • In office • Tokyo

SQL

Cursor

Apply

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01.エンジニアリング本部 | プロダクトエンジニア

≈ $35k – $96k per year (Estimated) • In office • Tokyo

Python

JavaScript

Java

Kotlin

TypeScript

SQL

Ruby

FastAPI

Java

Spring Boot

Ruby

Ruby on Rails

Databases

PostgreSQL

AI/ML

Cursor

Claude

ChatGPT

Claude Code

Gemini

OpenAI

Frontend

Next.js

React.js

DevOps

GCP

GitHub Actions

CI/CD

GitHub

Cybersecurity

Keycloak

Design

Figma

Management

Slack

Apply

View

All 3 jobs at U Zero salaries, cities, levels and how long each has been open