Sygaldry
AI Compute & Inference · Servers & Data Center Hardware
12open roles
$235kmedian advertised pay
$139Mlatest round · Venture round · Apr 2026 · 6 mo ago
9backers · Y Combinator, In-Q-Tel
Overview
Sygaldry builds quantum-accelerated AI servers to exponentially speed up AI training and inference, cutting compute costs and improving energy efficiency.
How Sygaldry hires
Truth index
A 89/100
Ghost roles
0%
Stale roles
46%
Reposted roles
0%
Sygaldry scores A on the Alion truth index (A is best, E worst), measured over 11 open roles re-checked against its own hiring board: 0% look like ghost listings, 46% have gone stale and 0% are the same role posted again. 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
Funding and backers
Total raised
$139M
1 round on record
Latest round
$139M
Venture round · Apr 2026 · 6 mo ago
Team
201-500
employees, estimated range
Hiring now
15
+4 posted in 30 days
Backers
9
Y Combinator, In-Q-Tel
The money's age
Fresh money
6 months since the last round · and hiring
Momentum
46/100
hiring for its size, fresh money, rising traction
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
Apr 14
Raised a round Venture round $139M · globenewswire
Apr 2025
Went through Y Combinator
2024
Founded
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 2026 | $139M | — | globenewswire |
Registers and programsofficial lists and records that name the company
| Legal entity | Sygaldry Technologies, Inc. | SEC Form D |
Founders and leadersfrom filings, registers and the company's site
Chad RigettiExecutive Officer, DirectorSEC Form D
Backed byfrom the funds' portfolios and accelerator catalogs
Y Combinator 
Initialized Capital 
Western Technology Investment 
Z Venture Capital Investors in similar startupsfunds that back the companies most like this one
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Jobs
≈ $89k – $215k per year (Estimated) · In office · Full-Time · Bachelor's Degree · Ann Arbor
Python
Photolithography
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Python
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$90k – $120k per year · Hybrid · Full-Time · PhD · San Francisco
JAX
Diffusion Models
PyTorch
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≈ $98k – $261k per year (Estimated) · In office · Full-Time · 5+ years exp · PhD · Ann Arbor
SLI/SLO/SLA
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≈ $87k – $261k per year (Estimated) · In office · Full-Time · 5+ years exp · PhD · Copenhagen
SLI/SLO/SLA
Apply
≈ $77k – $230k per year (Estimated) · In office · Full-Time · 5+ years exp · PhD · Copenhagen
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$175k – $235k per year · In office · Full-Time · 2+ years exp · Master's Degree · San Francisco
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$200k – $300k per year · In office · Full-Time · Master's Degree · San Francisco
Python
AI Agents
Time Series
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In office · Full-Time · Master's Degree · Ann Arbor
Python
C++
HPC
Quantum
Qiskit
Cirq
PennyLane
Apply
$200k – $300k per year · In office · Full-Time · San Francisco
Python
Embeddings
Reinforcement Learning
JAX
Diffusion Models
PyTorch
CUDA
Triton
World Models
Machine Learning
DevOps
SLI/SLO/SLA
Robotics
Reinforcement Learning
Quantum
Qiskit
Cirq
PennyLane
Apply
≈ $67k – $186k per year (Estimated) · In office · Full-Time · PhD · Ann Arbor
Python
Apply
≈ $86k – $230k per year (Estimated) · In office · Full-Time · 5+ years exp · PhD · Ann Arbor
Apply
Salary insights
Compensation ranges based on this company's open jobs
Median
$235k
Typical range
$120k – $300k
Open positions
5
3
Jobs
Principal
66.7%
Architect
33.3%
| Level | Jobs | Median | Typical range |
|---|---|---|---|
| Principal | 2 | $210k | $120k – $300k |
| Architect | 1 | $235k | $235k |
Highest paying role
Research Scientist - Frontier AI/ML & Quantum Algorithms
$300k
Normalized to USD per year
All salaries at Sygaldry
By role, level and city, against the market · 5 jobs with pay
Visa sponsorship
2
H-1B filings in 12 months
$203k
Median offered salary
13
Open roles in United States
Who they sponsor
Physicists
2
In the register as Sygaldry Technologies, Inc., Ann Arbor, MI
Other sponsors in the same field
Cerebras Systems 
SambaNova Systems 
AMAX Engineering
See 13 open roles Alert me
US Department of Labor · latest filing Jun 30, 2026 · Visa details by country
Growth
Hiring Momentum
49/100
Stable
Open positions
15
4 opened / 2 closed in 30 days
Median time-to-fill
152 days
faster than 7% of the market
ATS activity
Every ~5 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.
Quantum
30% ▼
Administrative
20% ▼
AI/ML
10% ▼
Finance
10% ▲
Science & Research
10% ▲
Early Careers
10% ▲
Activity Timeline
Added Plasma Etch to stack
Oct 2026
Added Photolithography to stack
Oct 2026
Added SLI/SLO/SLA to stack
Oct 2026
Added QuickBooks to stack
Oct 2026
New location: Copenhagen
Sep 2026
Added Machine Learning to stack
Sep 2026
Added SIEM to stack
Sep 2026
Financials
Total raised
$139M
Latest round
Venture - Series Unknown
Funding rounds
1
Funding rounds
| Round | Announced | Amount | |
|---|---|---|---|
| Venture - Series Unknown | 2026 | $139M | Details |
People
Chad Rigetti
Executive Officer, Director
Idalia Friedson
Director
Christian Garcia
Director
Michael Keiser
Director
Andrew Sather
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 Sygaldry over the last 12 months, by layer, with the share of postings for each.
Technologies in use
30
Postings analysed
14
Stack modernity
64/100
Languages
Python43%
C++7%
SystemC7%
VHDL7%
Frameworks & libraries
Cirq14%
JAX14%
PennyLane14%
PyTorch14%
Cloud & platforms
Cloudflare7%
SIEM7%
Zscaler7%
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Full Sygaldry tech stack
30 technologies · by team · pay by technology · changes · similar stacks
Connections
List
Graph
Found in company registers, site code, DNS and hiring. Each connection shows how sure we are and the evidence, with its source and date.
Shared investors
Earth Venture CapitalVia a fund
In-Q-TelVia a fund
Multimodal VenturesVia a fund
Garage CapitalVia a fund
Click a company to open it. Dashed lines are likely connections. The second step of the network is part of the Pro plan.
Owner
Same company
Same group
Likely
News
Sygaldry Technologies: $139 Million Raised To Build Quantum-Accelerated AI Servers
Sygaldry Technologies announced that it has raised $139 million across Seed and Series A financing rounds to develop quantum-accelerated AI servers designed to improve the speed and energy efficiency of artificial intelligence workloads.
Read more
Report
Sygaldry融资1.39亿美元致力于构建面向AI的量子计算机_腾讯新闻
以下内容来自环球新闻社Sygaldry Technologies, Inc. 今日宣布已完成总计1.39亿美元的A轮及种子轮融资用于构建量子加速AI服务器其中1.05亿美元的A轮融资于2026年3月完成由突破能源基金领投此前完成的3400万美元种子轮融资由Initialized Capital领投Sygaldry的服务器旨在以指数级速度提升关键AI算法的运行效率...
Read more
Report
Report
Exclusive: Chad Rigetti's Sygaldry raises $139 million to bring quantum hardware to AI data centers
Sygaldry is the company Chad Rigetti cofounded in 2024 after leaving Rigetti Computing.
Read more
Report
Sygaldry raises $139M to build quantum computers for AI
Sygaldry raises $139M to build quantum-accelerated AI infrastructure for faster, more energy-efficient data center computing...
Read more
Report
Offices
Where the company hires and what each office is for
Cities
3
Hiring now
3
Countries
2
Busiest office
Ann Arbor
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Headquarters
Builds here
Office with open vacancies
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Ann Arbor
United States
HQ
9 open roles 5 posted in 90 days 44% engineering 50-200 est. staff
hires for Quantum, Early Careers, Administrative
San Francisco
United States
Engineering / R&D
5 open roles 3 posted in 90 days 80% engineering 50-200 est. staff $217k Avg Salary
hires for AI/ML, Administrative, Science & Research
Copenhagen
Denmark
2 open roles 2 posted in 90 days 100% engineering 10-50 est. staff
hires for Quantum