Theori
theori.io
Actively hiring
Penetration Testing
Application Security
Cybersecurity AI
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Technologies
Salaries
Products
People
Growth
Offices
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Financials
Overview
Theori is an offensive security company founded by elite hackers that builds AI-native application security products. Founded in 2016, it offers Xint for autonomous web penetration testing and AI-powered code security, the Dreamhack cybersecurity training platform and LLM guard tools, with customers such as Samsung Electronics. The company is headquartered in Austin, Texas, United States.
News
Theori warns AI-powered hacking will surge within 6-18 months, urges preemptive defense
Theori warns AI-powered hacking will surge within 6-18 months, urges preemptive defense Cybersecurity corporations Theori Inc. projected that high-pe
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Theori brings Xint Code to market for large-scale AI code security analysis
Theori makes Xint Code available, an LLM-native SAST tool that scans millions of lines of code, configs, and binaries in under 12 hours.
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Theori launches Xint Code AI platform to uncover hidden vulnerabilities in massive codebases
Theori launches Xint Code AI platform to uncover hidden vulnerabilities in massive codebases - SiliconANGLE
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Announcing Xint Code - Theori BLOG
Real Vulnerabilities. Actionable Results. AI for Security
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Building Effective LLM Agents AI Cyber Challenge - Theori BLOG
How we learned to build effective LLM agents for hacking at DARPA's AI Cyber Challenge (AIxCC) AI for Security, AIxCC
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AI Cyber Challenge and Theori's RoboDuck - Theori BLOG
An introduction to DARPA's AI Cyber Challnge and Theori's third place cyber reasoning system AI for Security, AIxCC
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Inside the brain of a hacking robot: Exploring traces AI Cyber Challenge - Theori BLOG
Agent trajectory walkthroughs of a fully autonomous hacking system AI for Security, AIxCC
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Reviving the modprobe_path Technique: Overcoming search_binary_handler() Patch - Theori BLOG
A new approach to the Overwriting modprobe_path technique is introduced, addressing changes in the Upstream kernel that prevent triggering via dummy files. V…
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Tech stack
Technologies named in job postings at Theori over the last 12 months, by layer, with the share of postings for each.
Technologies in use
17
Postings analysed
3
Stack modernity
81/100AI adopter
Languages
Python
SQL
Assembly
Rust
Frameworks & libraries
FastAPI
Databases
PostgreSQL
Redis
Cloud & platforms
Webflow
AI & ML
LLM
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Full Theori tech stack
17 technologies · by team · pay by technology · changes · similar stacks
Salary insights
Compensation ranges based on this company's open jobs
Median
$180k
Typical range
$120k – $235k
Open positions
3
1
Jobs
Senior
100%
| Level | Jobs | Median | Typical range |
|---|---|---|---|
| Senior | 1 | $235k | $235k |
Highest paying role
Senior Software Engineer, Mobile Security Analysis
$235k
Normalized to USD per year
People
Brian Pak
Executive Officer, Director
Andrew Wesie
Executive Officer, Director
Names and roles come from public filings, company registers and the company's own site. Is this you? Correct or remove · How we handle this data
Growth
Hiring Momentum
68/100
Growing
Open positions
7
4 opened / 0 closed in 30 days
ATS activity
Every ~4 hours
Today
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.
Backend
20% ▲
Product
20% ▲
HR
20% ▲
Marketing
20% ▲
Sales
20% ▲
Activity Timeline
New location: Washington
Oct 2026
Added Assembly to stack
Oct 2026
Added IDA Pro to stack
Oct 2026
Added Ghidra to stack
Oct 2026
Added Frida to stack
Oct 2026
Added Binary Ninja to stack
Oct 2026
+3 jobs in a week
Oct 2026
Offices
Where the company hires and what each office is for
Cities
2
Hiring now
2
Countries
1
Busiest office
Austin
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Headquarters
Builds here
Office with open vacancies
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Austin
United States
HQ
Our Clients
2 open roles 2 posted in 90 days 100% remote 50-200 est. staff $180k Avg Salary
hires for HR, Marketing
Address: PO Box 40033, Austin, TX 78704, USA
Washington
United States
Engineering / R&D
1 open roles 1 posted in 90 days 100% engineering 10-50 est. staff $235k Avg Salary
hires for Backend
Jobs
$175k – $235k per year • Hybrid • TS/SCI • Full-Time • 5+ years exp • Washington
Python
Assembly
Binary Ninja
AI/ML
LLM
Cybersecurity
Ghidra
IDA Pro
Frida
Apply
≈ $124k – $218k per year (Estimated) • Remote (United States) • Full-Time • 5+ years exp • Bachelor's Degree
OWASP
Apply
Apply
≈ $134k – $231k per year (Estimated) • Remote (United States, Canada) • Full-Time • 5+ years exp
Python
Rust
FastAPI
Databases
PostgreSQL
Redis
AI/ML
LLM
RAG
DevOps
CI/CD
Docker
Apply
Financials
Total raised
$11.5M
Latest round
Venture - Series Unknown
Funding rounds
1
Funding rounds
| Round | Announced | Amount | |
|---|---|---|---|
| Venture - Series Unknown | 2022 | $11.5M | Details |