Exthymic
Regenerative Medicine · Cell & Gene Therapy
3open roles
$10.2Mlatest round · Venture round · Apr 2024 · 2 yr ago
Scaling fasthiring pace, 82 of 100
14team · US Form 5500 (plan participants) · Dec 2024
Overview
Exthymic is an early-stage deep-tech startup that develops point-of-care manufacturing systems for patient-specific cell therapies. Its platform combines hardware, software and biological engineering to make curative cell therapies for cancer widely accessible. The company is headquartered in San Diego, California, United States.
Key facts
As of Nov 12, 2026, Alion lists 3 open roles at Exthymic. Exthymic is headquartered in San Diego, United States. It was founded in 2023. The latest round is Venture - Series Unknown of $10.2M, announced in 2024.
- Open roles
- 3Job postings Alion tracks, as of Nov 12, 2026
- Headquarters
- San Diego, United StatesAlion company profile, updated Nov 12, 2026
- Founded
- 2023Alion company profile, updated Nov 12, 2026
- Employees
- 50+Alion company profile, an estimated range
- Total raised
- $10.2MSum of 1 equity round Alion knows
- Latest round
- Venture - Series Unknown · $10.2M · Apr 30, 2024SEC Form D filing · sec.gov
- Technologies in its job postings
- 17Named in its job postings
How to cite this page
Alion, "Exthymic: key facts", as of Nov 12, 2026. https://alion.io/company/exthymic
These figures are published under a free licence. You may reuse them, including commercially, as long as you credit Alion and link back to this page. CC BY-SA 4.0
Funding and backers
Total raised
$10.2M
1 round on record
Latest round
$10.2M
Venture round · Apr 2024 · 2 yr ago
Team
14
US Form 5500 (plan participants) · Dec 2024
Hiring now
2
+1 posted in 30 days
The money's age
Long since its last round
30 months since the last round · and hiring
Momentum
13/100
hiring for its size
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
Tractionpublic signals, read monthly
Web presence
top 6%
of 133.2M domains by links, Common Crawl
Funding rounds
| Round | Date | Amount | Investors | Source |
|---|---|---|---|---|
| Venture round | Apr 2024 | $10.2M | — | SEC Form D |
Registers and programsofficial lists and records that name the company
| Legal entity | Exthymic Corp | SEC Form D |
Founders and leadersfrom filings, registers and the company's site
Rich StonerExecutive Officer, DirectorSEC Form D
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Jobs
$90k – $110k per year · In office · Full-Time · San Diego
Python
Cell Culture
GMP
MedTech
ISO 13485
Design Controls
Apply
$65k – $85k per year · In office · Full-Time · Bachelor's Degree · San Diego
Python
JMP
Life Sciences
GMP
GLP
Apply
$150k – $200k per year · In office · San Diego
Python
C++
LLM Guardrails
DevOps
CI/CD
Game Dev
Behavior Tree
Robotics
ROS
Digital Twin
Life Sciences
GMP
MedTech
21 CFR Part 11
Design History File
Apply
Salary insights
Compensation ranges based on this company's open jobs
Median
$110k
Typical range
$85k – $200k
Open positions
3
1
Jobs
Senior
100%
| Level | Jobs | Median | Typical range |
|---|---|---|---|
| Senior | 1 | $200k | $200k |
Highest paying role
Senior Software Engineer, Instrumentation
$200k
Normalized to USD per year
Growth
Hiring Momentum
82/100
Scaling fast
Open positions
3
2 opened / 3 closed in 30 days
Median time-to-fill
30 days
faster than 45% of the market
ATS activity
Every ~6 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.
Science & Research
43% ▲
Early Careers
29% ▼
Backend
14% ▼
Biotech
14% ▲
Activity Timeline
Added JMP to stack
Nov 2026
Added GLP to stack
Nov 2026
Added LLM Guardrails to stack
Oct 2026
Added Flow Cytometry to stack
Oct 2026
Added Antibody Engineering to stack
Oct 2026
Added GMP to stack
Oct 2026
Added 21 CFR Part 11 to stack
Oct 2026
Added Verification & Validation to stack
Oct 2026
Added MBSE to stack
Oct 2026
Added IBM DOORS to stack
Oct 2026
Added Design History File to stack
Oct 2026
Financials
Total raised
$10.2M
Latest round
Venture - Series Unknown
Funding rounds
1
Funding rounds
| Round | Announced | Amount | |
|---|---|---|---|
| Venture - Series Unknown | 2024 | $10.2M | Details |
People
Rich Stoner
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
Tech stack
Technologies named in job postings at Exthymic over the last 12 months, by layer, with the share of postings for each.
Technologies in use
17
Postings analysed
5
Stack modernity
60/100
Languages
Python
C++
Frameworks & libraries
ROS
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Full Exthymic tech stack
17 technologies · by team · pay by technology · changes · similar stacks
Offices
Where the company hires and what each office is for
Cities
1
Hiring now
1
Countries
1
Busiest office
San Diego
San Diego
United States
HQ
3 open roles 7 posted in 90 days 67% engineering 50-200 est. staff $132k Avg Salary
hires for Backend, Science & Research, Early Careers