Four Inc.
fourinc.com
Actively hiring
Government
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News
Paul Byrne (@theplanetaryguy.com)
This will never stop blowing my mind.A 12-year sequence of real telescope images of a star 133 lightyears away.And around it, four planets slowly orbiting.Four real exoplanets, each more massive than Jupiter, imaged as they move around their host star.
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Four days of ricing Fedora without installing Arch
I did not start this because I wanted a screenshot for /r/unixporn. I wanted to stop moving windows around manually. That was basically the entire plan. Four days later I have Hyprland, Waybar, Rofi,
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Hegseth announces new four-star command for autonomous warfare
The new Autonomous Warfare Command, or AutoWarCom, aims to address an acquisition system that isn't keeping pace with the speed of technological change.
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Panel Review: AI Code Review for Coding Agents
Panel Review makes four frontier models from OpenAI, Anthropic, Google, and xAI argue over your coding agent's riskiest changes before they execute. Only what survives the argument ships. Set up in under a minute with npx @truverifai/init.
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I Built an iPhone App in Four Days with Anthropic's Frontier Model
How I planned, built, and refined a mobile app with Claude Opus 5.5
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Tech stack
Technologies named in job postings at Four Inc. over the last 12 months, by layer, with the share of postings for each.
Technologies in use
5
Postings analysed
2
Stack modernity
72/100
Languages
SQL
Cloud & platforms
Qualys Cloud Platform
Splunk
Windows
Developer tools
Ansible
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Growth
Hiring Momentum
48/100
Stable
Open positions
3
1 opened / 0 closed in 30 days
ATS activity
Every ~3 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.
Support
33% ▲
Marketing
33% ▲
Industrial Engineering
33% ▲
Activity Timeline
Added Windows to stack
Oct 2026
Offices
Where the company hires and what each office is for
Cities
1
Hiring now
1
Countries
1
Busiest office
Herndon
Herndon
United States
Sales office
3 open roles 3 posted in 90 days
hires for Support, Marketing, Industrial Engineering
2303 Dulles Station Blvd, Suite 105, Herndon, VA, 20171, US
Jobs
≈ $53k – $136k per year (Estimated) • In office • Contractor • Bachelor's Degree • Herndon
Windows
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