Overview
Technologies
Salaries
Products
People
Growth
Offices
Jobs
Financials

Funding and backers

Total raised
$5.4M
3 rounds on record
Latest round
$3M
Venture round · Sep 2025 · 12 mo ago
Team
9
US Form 5500 (plan participants) · Dec 2025
Hiring now
7
+7 posted in 30 days
Backers
1
Wireframe Ventures
The money's age
Due for its next round
12 months since the last round · and hiring
Momentum
40/100
hiring for its size
Last sign of life
this month
a posting or a news item
Tractionpublic signals, read monthly
Web presence
top 8%
of 133.2M domains by links, Common Crawl
Funding rounds
RoundDateAmountInvestorsSource
Venture round Sep 2025 $3M — SEC Form D
Venture round Jun 2025 $1.8M — SEC Form D
Venture round Oct 2024 $630k — SEC Form D
Registers and programsofficial lists and records that name the company
Legal entity Great Sky Inc. sec
Founders and leadersfrom filings, registers and the company's site
Jeffrey ShainlineExecutive Officer, DirectorSEC Form D
Backed byfrom the funds' portfolios and accelerator catalogs
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Overview

A new class of AI hardware from first principles. Photonics, superconductors, and brain-inspired architecture for compute beyond silicon.

Tech stack

Technologies named in job postings at Great Sky over the last 12 months, by layer, with the share of postings for each.
Technologies in use
12
Postings analysed
5
Stack modernity
69/100
Languages
Python
C++
Rust
Frameworks & libraries
JAX
PyTorch
CUDA
PyTorch C++
Cloud & platforms
CUDA Toolkit
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Full Great Sky tech stack 12 technologies · by team · pay by technology · changes · similar stacks

Salary insights

Compensation ranges based on this company's open jobs
Median
$210k
Typical range
$180k – $250k
Open positions
7
4 Jobs
Middle 25%
Senior 25%
Architect 50%
Level Jobs Median Typical range
Middle 1 $180k $180k
Senior 1 $210k $210k
Architect 2 $238k $225k – $250k
Highest paying role VP of Manufacturing & Supply Chain $250k
Normalized to USD per year

People

Jeffrey Shainline
Executive Officer, Director
Tom Biegala
Director
Names and roles come from public filings, company registers and the company's own site. Is this you? Correct or remove

Growth

Hiring Momentum
73/100
Growing
Open positions
7
6 opened / 0 closed in 30 days
ATS activity
Every ~1 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.
Industrial Engineering
29% ▲
AI/ML
14% ▲
Backend
14% ▲
Hardware
14% ▲
Leadership
14% ▲
Operations
14% ▲
Activity Timeline
+6 jobs in a week Sep 2026

Offices

Where the company hires and what each office is for
Cities
2
Hiring now
2
Countries
1
Busiest office
Boulder
Loading the map
Headquarters Builds here Office with open vacancies Tap a pin for the office
Boulder United States
HQ
7 open roles 7 posted in 90 days 43% engineering 10-50 est. staff $206k Avg Salary
hires for Industrial Engineering, AI/ML, Backend
5755 Central Ave, Suite 100
seen since Sep 2026 job postings
Palo Alto United States
Regional office
4 open roles 4 posted in 90 days 25% engineering 10-50 est. staff $219k Avg Salary
hires for AI/ML, Leadership, Operations
seen since Sep 2026

Jobs

$160k – $210k per year • Equity • Hybrid • Full-Time • 5+ years exp • Bachelor's Degree • Boulder
Python
Rust
C++
PyTorch C++
AI/ML
JAX
PyTorch
Apply
$120k – $180k per year • Equity • Hybrid • Full-Time • 3+ years exp • Bachelor's Degree • Boulder
Python
Cadence Virtuoso
KLayout
Apply
$170k – $225k per year • Equity • Hybrid • Full-Time • 7+ years exp • Bachelor's Degree • Boulder • Palo Alto
Apply
$160k – $220k per year • Equity • Hybrid • Full-Time • Bachelor's Degree • Boulder • Palo Alto
Python
Pydantic
AI/ML
CUDA Toolkit
JAX
PyTorch
CUDA
Triton
Apply

Financials

Total raised
$5.4M
Latest round
Venture - Series Unknown
Funding rounds
3
Funding rounds
Round Announced Amount
Venture - Series Unknown 2025 $3M Details
Venture - Series Unknown 2025 $1.8M Details
Venture - Series Unknown 2024 $630k Details