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Cheiron logo
Cheiron
cheiron.bio
cheiron.bio • Seoul • Los Altos • 51-200 employees • Startup
Seoul • Los Altos • 51-200 employees • Startup
Actively hiring
LLM & Generative AI
Medical AI
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Overview Hiring record Roles Locations Work format Jobs Questions Similar companies
Back to the profile Cheiron Tech stack 37 technologies

What jobs is Cheiron hiring for right now?

As of Oct 21, 2026, Cheiron has 9 open jobs on Alion. 1 of them state a salary (11%). They are posted in 2 cities. Its postings score A on the Alion truth index.

Source: Alion Coverage: open vacancies from the employer's own careers board Oct 19, 2026
Open jobs
9
With salary
1 (11%)
Cities
2
Median age
88 days

How Cheiron hires

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

Cheiron scores A on the Alion truth index (A is best, E worst), measured over 9 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 91 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

Which roles Cheiron is hiring for

9 Jobs
Backend 4 44.4%
Product 2 22.2%
Design 1 11.1%
Early Careers 1 11.1%
Solutions 1 11.1%

Where Cheiron is hiring

Cheiron hires from 2 offices across 2 countries, holding 11 of its open vacancies between them.

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Headquarters Builds here Office with open vacancies Tap a pin for the office

How the work at Cheiron is set up

Work format
In office 9 100%
Level
Junior 5 63%
Intern 1 13%
Senior 1 13%
Middle 1 13%
Employment
Full-Time 8 89%
Internship 1 11%

Open vacancies at Cheiron

≈ $86k – $175k per year (Estimated) • In office • Full-Time • Los Altos
Cursor
Claude Code
LLM
Knowledge Graph
LLM Evaluation
Agentic Workflows
Apply
≈ $108k – $213k per year (Estimated) • In office • Full-Time • 3+ years exp • Los Altos
Cursor
Claude Code
LLM
Human-in-the-Loop
Knowledge Graph
LLM Evaluation
LLM Guardrails
Agentic Workflows
Apply
≈ $79k – $182k per year (Estimated) • In office • Full-Time • 5+ years exp • PhD • Seoul
Apply
$70k – $110k per year • In office • Internship • Master's Degree • Los Altos
Python
FastAPI
Databases
PostgreSQL
AI/ML
Function Calling
LLM Evaluation
Tool Use
Apply
In office • Full-Time • 2+ years exp • Seoul
Python
TypeScript
FastAPI
Databases
PostgreSQL
AI/ML
Cursor
LangGraph
LangChain
Claude Code
LLM
RAG
OpenAI
Apply
≈ $90k – $183k per year (Estimated) • In office • Full-Time • 2+ years exp • Los Altos
Python
JavaScript
TypeScript
FastAPI
Databases
PostgreSQL
AI/ML
Cursor
LangGraph
LangChain
Claude Code
LLM
RAG
Semantic Search
OpenAI
Semantic Search
Knowledge Graph
Frontend
React.js
Apply
≈ $92k – $186k per year (Estimated) • In office • Full-Time • 2+ years exp • Los Altos
Python
FastAPI
Databases
PostgreSQL
AI/ML
Cursor
LangGraph
LangChain
Claude Code
Function Calling
AI Agents
LLM
RAG
Semantic Search
Semantic Search
Tool Use
DevOps
Terraform
AWS
Kubernetes
Apply
In office • Full-Time • 2+ years exp • Seoul
Python
FastAPI
Databases
PostgreSQL
AI/ML
Cursor
LangGraph
LangChain
Claude Code
Function Calling
AI Agents
LLM
RAG
Tool Use
DevOps
Terraform
AWS
Kubernetes
Apply
In office • Full-Time • Seoul
Figma
Apply

Questions about jobs at Cheiron

Is Cheiron hiring right now?

Yes. As of Oct 21, 2026, Cheiron has 9 open jobs on Alion.

What roles does Cheiron hire for?

Cheiron is hiring mostly for Backend, Product, Design. The largest group is Backend with 4 open vacancies.

Where does Cheiron hire?

Cheiron has open vacancies in 2 places, most of all in Los Altos, Seoul. It keeps 2 offices with open roles, spread across 2 countries.

How long have Cheiron vacancies been open?

Half have been on Alion for 88 days or less. 4 vacancies at Cheiron have been listed for more than 90 days, and postings of that age are far more often out of date.

How reliable are Cheiron job postings?

Cheiron scores A on the Alion truth index (A is best, E worst), measured over 9 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 91 days.

How do you apply to Cheiron?

Cheiron accepts applications through Ashby, so the form opens on that system rather than on Alion.

How to cite this page

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.

Alion, "Cheiron: 9 open jobs", as of Oct 21, 2026. https://alion.io/company/cheiron/jobs

Licence: CC BY-SA 4.0Map: OpenFreeMap, OpenStreetMap. City coordinates: GeoNames (CC BY 4.0)