Actively hiring
AI Development Tools
Software Testing & QA
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Overview
News
Technologies
Salaries
Products
People
Growth
Offices
Jobs
Financials
Funding and backers
Team
1-10
employees, estimated range
Hiring now
2
open roles
Backers
1
General Catalyst
Momentum
0/100
no fresh signals
Last sign of life
1 mo ago
a posting or a news item
Tractionpublic signals, read monthly
Web presence
top 6%
of 133.2M domains by links, Common Crawl
Hacker News stories
2
best: 7 points
Backed byfrom the funds' portfolios and accelerator catalogs
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Overview
Ranger builds quality assurance tools that let teams and AI agents verify work as fast as agents write it, so software ships quickly without losing quality. Customers such as Fanatics, Amplitude and Clay use it to close the gap between what agents build and what works in production. The company is headquartered in San Francisco, United States.
News
The Hidden Cost of Fewer Tokens: Why context efficiency makes the Playwright CLI slower
We wanted to know whether the Playwright CLI would make our tooling more context efficient, faster, and cheaper. The results were decidedly mixed.
Read more
Report
Why We Built a QA Agent for Our Background Agent
Our background agent writes the code like any other coding agent, but can now use Ranger to close the loop by testing itself and showcasing its work back to us for review.
Read more
Report
Tech stack
Technologies named in job postings at Ranger over the last 12 months, by layer, with the share of postings for each.
Technologies in use
8
Postings analysed
1
Stack modernity
80/100
Languages
C#
Frameworks & libraries
Playwright
Cloud & platforms
.NET
GitHub
OpenAI
Webflow
Practices & domains
AI Agents
CI/CD
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Salary insights
Compensation ranges based on this company's open jobs
Median
$200k
Typical range
$200k
Open positions
1
1
Jobs
Senior
100%
| Level | Jobs | Median | Typical range |
|---|---|---|---|
| Senior | 1 | $200k | $200k |
Highest paying role
Full-Stack Engineer (Experienced)
$200k
Normalized to USD per year
Growth
Hiring Momentum
58/100
Growing
Open positions
2
0 opened / 0 closed in 30 days
ATS activity
Every ~5 hours
Today
Hiring Dynamics
+100%
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
50% ▼
Field & Service
50% ▼
Activity Timeline
Added C# to stack
Sep 2026
Added Webflow to stack
Sep 2026
Added GitHub to stack
Sep 2026
Added CI/CD to stack
Sep 2026
Added AI Agents to stack
Sep 2026
Added .NET to stack
Sep 2026
Offices
Where the company hires and what each office is for
Cities
2
Hiring now
2
Countries
1
Busiest office
San Francisco
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Headquarters
Builds here
Office with open vacancies
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San Francisco
United States
HQ
2 open roles 50% engineering 1-10 est. staff $200k Avg Salary
hires for Backend, Field & Service
Denver
United States
1 open roles 100% engineering 1-10 est. staff $200k Avg Salary
hires for Backend
Jobs
$130k – $200k per year · Hybrid · 6+ years exp · San Francisco
JavaScript
C
Node JS
FFmpeg
Databases
PostgreSQL
AI/ML
LLM
OpenAI
DevOps
GCP
Self-Healing
QA
Playwright
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General Catalyst 




