Chalk
chalk.ai
Actively hiring
Artificial Intelligence
MLOps
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Overview
News
Technologies
Salaries
Products
People
Growth
Offices
Jobs
Financials
Funding and backers
Total raised
$50M
1 round on record
Latest round
$50M
Series A · May 2025 · 16 mo ago
Team
51-200
employees, estimated range
Backers
3
General Catalyst, Felicis
The money's age
Due for its next round
16 months since the last round · not hiring
Momentum
0/100
no fresh signals
Last sign of life
this month
a posting or a news item
The story so fareach stage dated by its source: the company's releases, the press, registers, filings
Sep 4
First executive search Director, Forward Deployed Engineering
Aug 3
First sales or marketing role Sales Development Representative
May 30, 2025
Raised a round Series A $50M
2021
Founded
Tractionpublic signals, read monthly
Web presence
top 0.03%
of 133.2M domains by links, Common Crawl
Hacker News stories
4
best: 4 points
Funding rounds
| Round | Date | Amount | Investors | Source |
|---|---|---|---|---|
| Series A | May 2025 | $50M | — | businesswire.com |
Backed byfrom the funds' portfolios and accelerator catalogs
General Catalyst 
Felicis 
Unusual Ventures How Chalk hires
Truth index
B 83/100
Median time to fill
64 days
Ghost roles
0%
Stale roles
50%
Reposted roles
0%
Chalk scores B on the Alion truth index (A is best, E worst), measured over 16 open roles re-checked against its own hiring board: 0% look like ghost listings, 50% have gone stale and 0% are the same role posted again. Its roles close in a median of 64 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
News
Report
What's up with Chalk it Up? Why the popular festival hasn't signed up artists yet
The Labor Day Weekend festival has been held for 35 years in Sacramento, with artists creating chalk masterpieces in sidewalk squares.
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Report
Why the French are painting their windows with chalk to beat the heat
Europe is in the grip of a record-breaking heatwave. To help stay cool, people in France have been turning to an unusual solution - chalk. Here's the science behind the trend.
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Report
Britain's rudest chalk figure gets a glow-up to stop it fading in the rain
National Trust staff and volunteers will apply 17 tonnes of fresh chalk to the outline of the famous figure.
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Report
Britain's rudest chalk figure gets a glow-up to stop it fading in the rain
National Trust staff and volunteers will apply 17 tonnes of fresh chalk to the outline of the famous figure.
Read more
Report
Opinion: I Was Not Allowed To Type Prompts Into ChatGPT During My Chalk Talk And This Is Discrimination
By Dr. Rachel Simmons, Postdoctoral Fellow, Stanford University
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Report
Vouchsafe - How Vouchsafe Could Have Prevented the npm Debug/Chalk Compromise in 200 lines of Javascript
A demonstration of how packages could be protected in a simple and secure way, with the code to back it up
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Report
Securing Repos After the September 2025 NPM Supply Chain Attack
On September 8, 2025, attackers compromised the NPM account behind several hugely popular packages. How the attack worked, why the financial damage stayed small, and how guard-deps, our open source tool, detects and remediates malicious dependencies.
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Report
Show more news
Tech stack
Technologies named in job postings at Chalk over the last 12 months, by layer, with the share of postings for each.
Technologies in use
22
Postings analysed
16
Stack modernity
80/100AI adopter
Languages
Rust81%
Python63%
SQL38%
C++31%
Databases
Google BigQuery6%
Cloud & platforms
Buildkite6%
GitHub6%
GitHub Actions6%
Kubernetes6%
AI & ML
Claude13%
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Full Chalk tech stack
22 technologies · by team · pay by technology · changes · similar stacks
Salary insights
Compensation ranges based on this company's open jobs
Median
$278k
Typical range
$180k – $450k
Open positions
12
10
Jobs
Junior
20%
Middle
20%
Senior
20%
Staff
20%
Architect
20%
| Level | Jobs | Median | Typical range |
|---|---|---|---|
| Junior | 2 | $230k | $180k – $280k |
| Middle | 2 | $280k | $280k |
| Senior | 2 | $265k | $250k – $280k |
| Staff | 2 | $263k | $250k – $275k |
| Architect | 2 | $400k | $350k – $450k |
Highest paying role
Director of Sales
$450k
Normalized to USD per year
All salaries at Chalk
By role, level and city, against the market · 12 jobs with pay
Growth
Hiring Momentum
72/100
Growing
Open positions
17
3 opened / 5 closed in 30 days
Median time-to-fill
65 days
faster than 20% of the market
ATS activity
Every ~4 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.
Product
21%
Sales
21%
Solutions
21%
Backend
14% ▲
Leadership
7% ▼
Analytics
7% ▼
Activity Timeline
Added OpenAI Codex to stack
Oct 2026
Added Git to stack
Oct 2026
Added Feature Store to stack
Oct 2026
Added Discord to stack
Oct 2026
Added Cursor to stack
Oct 2026
Added Claude Code to stack
Oct 2026
Added CI/CD to stack
Oct 2026
Added Google BigQuery to stack
Sep 2026
New location: San Francisco
Sep 2026
New location: New York
Sep 2026
Offices
Where the company hires and what each office is for
Cities
3
Hiring now
3
Countries
2
Busiest office
New York
Loading the map
Headquarters
Builds here
Office with open vacancies
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New York
United States
HQ
3 open roles 3 posted in 90 days 33% engineering 10-50 est. staff $270k Avg Salary
hires for Solutions, Backend
509 W 21st St, Unit 401
San Francisco
United States
Plant / site
Contact Us
11 open roles 10 posted in 90 days 45% engineering 50-200 est. staff $284k Avg Salary
hires for Backend, Product, Solutions
55 Stockton St. Floor 4, San Francisco, CA 94108
Dublin
Ireland
Engineering / R&D
1 open roles 1-10 est. staff
hires for Solutions
Jobs
$150k – $250k per year • In office • Full-Time • 7+ years exp • San Francisco
Python
Rust
C++
Cursor
Claude Code
Fine-tuning
OpenAI Codex
Feature Store
DevOps
CI/CD
Git
GitHub
Apply
$170k – $180k per year • Hybrid • Full-Time • Bachelor's Degree • San Francisco
Python
Rust
C++
Apply
$180k – $250k per year • In office • Full-Time • New York
Python
Rust
SQL
C++
AI Agents
Apply
$180k – $250k per year • In office • Full-Time • San Francisco
Python
Rust
SQL
C++
AI Agents
Apply
$300k – $350k per year • Hybrid • Full-Time • 10+ years exp • Bachelor's Degree • San Francisco
Python
SQL
Apply
$225k – $275k per year • Equity • Hybrid • Full-Time • 10+ years exp • Bachelor's Degree • San Francisco
Python
Go
Rust
SQL
Fine-tuning
AI Agents
DevOps
Kubernetes
Apply
$200k – $250k per year • Equity • Hybrid • Full-Time • 5+ years exp • Bachelor's Degree • San Francisco
Python
Apply
$170k – $280k per year • Hybrid • Full-Time • 5+ years exp • San Francisco
Python
Rust
C++
GitHub Actions
Buildkite
Bazel
Apply
≈ $92k – $237k per year (Estimated) • Remote (Israel) • Full-Time • 4+ years exp • Bachelor's Degree • Tel Aviv
Python
SQL
Machine Learning
Apply
≈ $46k – $119k per year (Estimated) • Remote (Japan) • Full-Time • 4+ years exp • Bachelor's Degree
Python
SQL
Machine Learning
Apply
≈ $50k – $115k per year (Estimated) • Remote (Singapore) • Full-Time • 4+ years exp • Bachelor's Degree • Singapore
Python
SQL
Machine Learning
Apply
≈ $78k – $203k per year (Estimated) • Equity • In office • Full-Time • 4+ years exp • Bachelor's Degree • Dublin
Python
SQL
Machine Learning
Apply
Financials
Total raised
$50M
Latest round
Series A
Funding rounds
1
Funding rounds
| Round | Announced | Amount | |
|---|---|---|---|
| Series A | 2025 | $50M | Details |