UMOS ONE

Smart Mobility · Automotive Software
24open roles
Atruth index, 95 of 100
97 daysmedian time a role stays open
101technologies in use

Overview

UMOS ONE is a South Korean mobility technology company and a subsidiary of 42dot that covers logistics, mobility services and smart cities. It develops the TAP mobility service, the Pleos Fleet vehicle operation system and the Capora AI transport management system, and hires sales, AI product and security engineers. The company is based in Seoul, South Korea.

Key facts

As of Nov 12, 2026, Alion lists 24 open roles at UMOS ONE. UMOS ONE is headquartered in Seoul, South Korea.

Headquarters
Seoul, South KoreaAlion company profile, updated Nov 12, 2026
Technologies in its job postings
101Named in its job postings

How UMOS ONE hires

Truth index
A 95/100
Median time to fill
97 days
Ghost roles
0%
Stale roles
0%
Reposted roles
0%

UMOS ONE scores A on the Alion truth index (A is best, E worst), measured over 24 open roles re-checked against its own hiring board: 0% look like ghost listings, 0% have gone stale and 0% are the same role posted again. Its roles close in a median of 97 days. 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

Jobs

In office · Full-Time · 5+ years exp · Seoul
Apply
In office · Full-Time · 3+ years exp · Seoul
Apply
≈ $67k – $171k per year (Estimated) · In office · Full-Time · 5+ years exp · Seoul
Apply
In office · Full-Time · Seoul
Python
TypeScript
Cursor
LangGraph
AutoGen
LangChain
Claude Code
Function Calling
AI Agents
CrewAI
LLM
RAG
Robotics
Digital Twin
Apply
≈ $84k – $193k per year (Estimated) · In office · Full-Time · 5+ years exp · Seoul
Model Context Protocol
LLM
DevOps
Terraform
CI/CD
AWS
Kubernetes
Amazon EKS
IAM
Amazon CloudWatch
Cybersecurity
Okta
Checkov
SBOM
tfsec
SIEM
Apply
≈ $58k – $141k per year (Estimated) · In office · Full-Time · 3+ years exp · Seoul
AWS
Cybersecurity
SIEM
OWASP
Apply
≈ $69k – $198k per year (Estimated) · In office · Full-Time · Seoul
Apply
≈ $67k – $175k per year (Estimated) · In office · Full-Time · Seoul
Python
SQL
Bash
MySQL
PostgreSQL
Oracle
MariaDB
Amazon Aurora
DevOps
Terraform
Ansible
AWS
Amazon EC2
Apply
≈ $64k – $177k per year (Estimated) · In office · Full-Time · 8+ years exp · Seoul
Python
Druid
Databricks
ClickHouse
Delta Lake
Apache Kafka
AI/ML
Airflow
Feature Store
DevOps
GCP
AWS
Kubernetes
Analytics
ETL/ELT
Superset
Apply
In office · Full-Time · Seoul
Copilot
Cursor
Claude Code
DevOps
GitLab CI
CI/CD
Jenkins
QA
Selenium
Cypress
Swagger
Appium
Postman
Apply
≈ $70k – $156k per year (Estimated) · In office · Full-Time · 5+ years exp · Seoul
Claude
ChatGPT
AI Agents
Gemini
LLM
RAG
Management
Confluence
Agile
Apply
In office · Full-Time · Seoul
Apply

Growth

Hiring Momentum
31/100
Slowing
Open positions
24
0 opened / 0 closed in 30 days
Median time-to-fill
117 days
faster than 9% of the market
ATS activity
Every ~6 hours
11/12/2026
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.
Security
23% ▼
HR
15% ▲
Sales
15% ▲
Operations
15% ▼
Backend
8% ▼
Mobile
8% ▼
Activity Timeline
Added LangGraph to stack Oct 2026
Added Function Calling to stack Oct 2026
Added Digital Twin to stack Oct 2026
Added tfsec to stack Sep 2026
Added SBOM to stack Sep 2026
Added Okta to stack Sep 2026
Added IAM to stack Sep 2026
Added Checkov to stack Sep 2026
Added Amazon CloudWatch to stack Sep 2026
Added SIEM to stack Sep 2026
Added OWASP to stack Sep 2026

Tech stack

Technologies named in job postings at UMOS ONE over the last 12 months, by layer, with the share of postings for each.
Technologies in use
101
Postings analysed
19
Stack modernity
85/100AI adopter
Languages
Python37%
Java26%
Kotlin26%
SQL16%
Frameworks & libraries
Spring Boot16%
React.js11%
Cypress11%
AutoGen11%
Databases
PostgreSQL21%
Neo4j16%
MySQL11%
Oracle11%
Cloud & platforms
AWS58%
Kubernetes42%
Apache Kafka26%
Amazon EC211%
AI & ML
LLM32%
Claude11%
ChatGPT5%
Gemini5%
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Full UMOS ONE tech stack 101 technologies · by team · pay by technology · changes · similar stacks

Offices

Where the company hires and what each office is for
Cities
2
Hiring now
2
Countries
1
Busiest office
Seoul
Loading the map
Headquarters Builds here Office with open vacancies Tap a pin for the office
Seoul South Korea
HQ
23 open roles 12 posted in 90 days 65% engineering
hires for Backend, DevOps, Data Science
서울특별시 서초구 서초대로77길 55 UMOS ONE HQ
seen since Apr 2026 job postings
Hwaseong South Korea
1 open roles 1 posted in 90 days
hires for Operations
경기도 화성시 남양읍 현대연구소로 150 c2 13 남양
seen since Sep 2026 job postings

How to cite this page

Alion, "UMOS ONE: key facts", as of Nov 12, 2026. https://alion.io/company/umosone

These figures are published under a free licence. You may reuse them, including commercially, as long as you credit Alion and link back to this page. CC BY-SA 4.0