KoBold Metals
koboldmetals.com
Actively hiring
Rare Earth Metals
Mining
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Overview
News
Technologies
Salaries
Products
People
Growth
Offices
Jobs
Financials
Funding and backers
Total raised
$1.2B
4 rounds on record
Latest round
$280M
Venture round · Oct 2025 · 11 mo ago
Team
126
US Form 5500 (plan participants) · Dec 2025 · +19% in a year
Hiring now
28
+3 posted in 30 days
Backers
2
Andreessen Horowitz, Cleo Capital
The money's age
Fresh money
11 months since the last round · and hiring
Momentum
34/100
hiring for its size, a new city, fresh money
Last sign of life
1 mo ago
a posting or a news item
The story so fareach stage dated by its source: the company's releases, the press, registers, filings
Oct 14
First role in Canada Laboratory Technician
Jul 30
First role in Sweden Field Operations Lead, Sweden
May 4
First sales or marketing role Vice President of Business Development
Apr 10
First executive search Director of Mineral Processing
Mar 27
First role in United Kingdom Software Engineer (All Levels), United Kingdom
Oct 30, 2025
Raised a round Venture round $280M · SEC Form D
Sep 20, 2024
Raised a round Venture round $491.5M · SEC Form D
Mar 21, 2023
Raised a round Venture round $195M · SEC Form D
Jan 10, 2022
Raised a round Venture round $200.8M · SEC Form D
2018
Founded
Tractionpublic signals, read monthly
Web presence
top 2%
of 133.2M domains by links, Common Crawl
Funding rounds
| Round | Date | Amount | Investors | Source |
|---|---|---|---|---|
| Venture round | Oct 2025 | $280M | — | SEC Form D |
| Venture round | Sep 2024 | $491.5M | — | SEC Form D |
| Venture round | Mar 2023 | $195M | — | SEC Form D |
| Venture round | Jan 2022 | $200.8M | — | SEC Form D |
Registers and programsofficial lists and records that name the company
| Legal entity | KoBold Metals Co | SEC Form D |
Founders and leadersfrom filings, registers and the company's site
Kurt HouseDirector, Executive OfficerSEC Form D
Josh GoldmanExecutive Officer, DirectorSEC Form D
John ThompsonDirectorSEC Form D
Charles ParkExecutive OfficerSEC Form D
Mfikeyi MakayiExecutive OfficerSEC Form D
Joshua GoldmanDirector, Executive OfficerSEC Form D
Backed byfrom the funds' portfolios and accelerator catalogs
Andreessen Horowitz 
Cleo Capital Investors in similar startupsfunds that back the companies most like this one
backs Voluna
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How KoBold Metals hires
Truth index
B 84/100
Median time to fill
127 days
Ghost roles
18%
Stale roles
0%
Reposted roles
0%
KoBold Metals scores B on the Alion truth index (A is best, E worst), measured over 28 open roles re-checked against its own hiring board: 18% look like ghost listings, 0% have gone stale and 0% are the same role posted again. Its roles close in a median of 127 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
Visa sponsorship
- United States · H-1B filings in 12 months: 3
- United Kingdom · Licensed UK visa sponsor (Senior or Specialist Worker, Skilled Worker)
News
Breaking Ground at Mingomba: A New Chapter for the Copperbelt
On 29 April, KoBold Metals and ZCCM-IH officially broke ground on the planned shaft construction at the Mingomba copper mine in Chililabombwe, Zambia. Officiating at the ceremony was the President of the Republic of Zambia, Mr. President Hakainde Hichilem
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Report
KoBold Metals Signs Agreement with Burundi to Digitize Geological Data
KoBold Metals has signed an agreement with the Government of Burundi to support the digitization of the country's geological data. The agreement was signed in Washington, D.C., during a ceremony hosted by the U.S. Department of State and presided over by
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Report
KoBold Metals and AVZ Agree on Framework for KoBold to Acquire AVZ's Interests in the Manono Lithium Deposit in DRC
Thank you to Secretary of State Marco Rubio, U.S. Senior Advisor for Africa Massad Boulos, and President of the Democratic Republic of the Congo Félix A. Tshisekedi Tshilombo, for opening doors to U.S. investment. KoBold Metals and AVZ Minerals Limited ag
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Report
KoBold Metals
The Nature Index tracks the affiliations of scientific articles from high-quality publications. The research profile for KoBold Metals reflects the research output of authors from KoBold Metals who published articles in the 145 journals included in the Na
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Report
KoBold Metals Participates in Partnership for Global Infrastructure and Investment in the Lobito Trans-Africa Corridor
Today, the The White House announced that KoBold Metals signed an MOU with Africa Finance Corporation "committing to anchor the commercial viability of the Zambia-Lobito rail project with more than 300,000 tons of copper per year from its Mingomba mine."
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Report
Report
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Tech stack
Technologies named in job postings at KoBold Metals over the last 12 months, by layer, with the share of postings for each.
Technologies in use
39
Postings analysed
23
Stack modernity
88/100AI adopter
Languages
Python61%
SQL26%
PowerShell4%
JavaScript4%
Frameworks & libraries
NumPy13%
React.js4%
Django4%
Databases
PostgreSQL4%
Cloud & platforms
AWS9%
Tableau9%
Amazon S34%
Crowdstrike4%
AI & ML
Claude9%
LLM9%
ChatGPT4%
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Full KoBold Metals tech stack
39 technologies · by team · pay by technology · changes · similar stacks
Salary insights
Compensation ranges based on this company's open jobs
Median
$215k
Typical range
$90k – $350k
Open positions
19
17
Jobs
Middle
11.8%
Senior
47.1%
Staff
35.3%
Architect
5.9%
| Level | Jobs | Median | Typical range |
|---|---|---|---|
| Middle | 2 | $225k | $210k – $240k |
| Senior | 8 | $178k | $115k – $215k |
| Staff | 6 | $235k | $170k – $260k |
| Architect | 1 | $350k | $350k |
Highest paying role
Vice President of Business Development
$350k
Normalized to USD per year
All salaries at KoBold Metals
By role, level and city, against the market · 19 jobs with pay
People
Kurt House
Director, Executive Officer
Josh Goldman
Executive Officer, Director
John Thompson
Director
Charles Park
Executive Officer
Mfikeyi Makayi
Executive Officer
Joshua Goldman
Director, Executive Officer
Daniel Enderton
Executive Officer
Sandy Alexander
Executive Officer
Jeroen van der Hoek
Director
Connie Chan
Director
Karl White
Director
Jay Simons
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
67/100
Growing
Open positions
28
3 opened / 6 closed in 30 days
Median time-to-fill
125 days
faster than 10% 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.
Operations
33% ▲
AI/ML
11% ▼
Backend
11% ▼
Analytics
11% ▼
Management
11% ▼
Science & Research
11% ▲
Activity Timeline
New location: Canada
Oct 2026
Added Anomaly Detection to stack
Oct 2026
New location: Sweden
Oct 2026
New location: United Kingdom
Oct 2026
Added Platform Engineering to stack
Sep 2026
Added osquery to stack
Sep 2026
Added Cypress to stack
Sep 2026
Added Machine Learning to stack
Sep 2026
Added Windows to stack
Sep 2026
Added Microsoft Excel to stack
Sep 2026
Offices
Where the company hires and what each office is for
Cities
1
Hiring now
0
Countries
1
Berkeley
United States
HQ
Earlier presence
San Francisco, United States
Jobs
$125k – $235k per year • Equity • Remote (United States, Canada) • Full-Time
Python
SQL
Computer Vision
Anomaly Detection
Machine Learning
DevOps
CI/CD
Apply
$160k – $240k per year • Remote (United States, Canada) • Full-Time
Python
JavaScript
TypeScript
Node JS
Flask
Django
Frontend
Angular
React.js
DevOps
AWS
Docker
Kubernetes
Amazon ECS
QA
Selenium
Cypress
Apply
$140k – $260k per year • Remote (United States, Australia, Canada, South Africa) • Full-Time • 8+ years exp • Master's Degree
Python
Computer Vision
Machine Learning
DevOps
CI/CD
Apply
$110k – $170k per year • Remote (United States, Australia, Canada, South Africa) • Full-Time • 10+ years exp
Python
C++
QGIS
Apply
$150k – $240k per year • Remote (United States, Australia, Canada, South Africa) • Full-Time • 4+ years exp
Python
JavaScript
Django
AI/ML
Prefect
RAG
Frontend
React.js
DevOps
AWS
Docker
Kubernetes
Amazon ECS
Apply
≈ $123k – $279k per year (Estimated) • Remote (North America) • Full-Time • 1+ year exp
Python
Apply
$170k – $215k per year • Remote (United States, Canada) • Full-Time • 5+ years exp
Python
NumPy
Machine Learning
Apply
$170k – $215k per year • Remote (United States, Canada) • Full-Time • 5+ years exp
Python
NumPy
Apply
≈ $137k – $329k per year (Estimated) • Remote (United Kingdom) • Full-Time • 8+ years exp • Master's Degree
Python
Computer Vision
Machine Learning
DevOps
CI/CD
Apply
≈ $137k – $329k per year (Estimated) • Remote (Australia) • Full-Time • 8+ years exp • Master's Degree
Python
Computer Vision
Machine Learning
DevOps
CI/CD
Apply
$120k – $210k per year • Remote (United Kingdom) • Full-Time • 4+ years exp • United Kingdom
Python
JavaScript
Django
AI/ML
Prefect
RAG
Frontend
React.js
DevOps
AWS
Docker
Kubernetes
Amazon ECS
Apply
$200k – $240k per year • Remote (United States, Canada) • Full-Time • 8+ years exp
Apply
Financials
Total raised
$1.2B
Latest round
Venture - Series Unknown
Funding rounds
4