Lumai
lumai.ai
Actively hiring
Cybersecurity
Artificial Intelligence
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Overview
Technologies
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Products
People
Growth
Offices
Jobs
Financials
Funding and backers
Team
18
UK accounts · Dec 2025 · +80% in a year
Hiring now
11
+2 posted in 30 days
Backers
1
Runa Capital
Momentum
7/100
hiring for its size
Last sign of life
this month
a posting or a news item
Tractionpublic signals, read monthly
Hacker News stories
1
best: 3 points
Registers and programsofficial lists and records that name the company
| Legal entity | LUMAI LIMITED | Companies House |
| Registered | 30 Nov 2021 |
Backed byfrom the funds' portfolios and accelerator catalogs
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How Lumai hires
Truth index
D 51/100
Ghost roles
82%
Stale roles
0%
Reposted roles
0%
Lumai scores D on the Alion truth index (A is best, E worst), measured over 11 open roles re-checked against its own hiring board: 82% look like ghost listings, 0% 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
Tech stack
Technologies named in job postings at Lumai over the last 12 months, by layer, with the share of postings for each.
Technologies in use
23
Postings analysed
11
Stack modernity
70/100
Languages
Python45%
C++27%
Embedded C9%
C9%
Frameworks & libraries
CUDA9%
MLIR9%
PyTorch9%
TensorRT-LLM9%
Cloud & platforms
Linux27%
FreeRTOS18%
RTOS18%
CUDA Toolkit9%
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Full Lumai tech stack
23 technologies · by team · pay by technology · changes · similar stacks
Growth
Hiring Momentum
48/100
Stable
Open positions
11
0 opened / 0 closed in 30 days
ATS activity
Every ~1 days
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.
DevOps
50% ▲
Hardware
50% ▲
Offices
Where the company hires and what each office is for
Cities
2
Hiring now
2
Countries
2
Busiest office
Oxford
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Headquarters
Builds here
Office with open vacancies
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Oxford
United Kingdom
HQ
6 open roles 1 posted in 90 days 67% engineering 10-50 est. staff
hires for Hardware, Backend, DevOps
Wood Centre for Innovation, Quarry Road
San Francisco
United States
Sales office
2 open roles 1-10 est. staff
hires for Sales, Solutions
Jobs
≈ $91k – $177k per year (Estimated) • Hybrid • Full-Time • Oxford
Machine Learning
DevOps
CI/CD
Apply
≈ $59k – $128k per year (Estimated) • In office • Full-Time • Spain
Machine Learning
Chips/EDA
Cadence Virtuoso
Apply
≈ $82k – $195k per year (Estimated) • Hybrid • Full-Time • Oxford
Python
vLLM
CUDA Toolkit
TensorRT
TensorRT-LLM
PyTorch
CUDA
Triton
KV Cache
Machine Learning
DevOps
Docker
Linux
Apply
≈ $82k – $186k per year (Estimated) • Hybrid • Full-Time • Oxford
Python
Machine Learning
DevOps
HPC
Apply
≈ $163k – $313k per year (Estimated) • In office • Full-Time • San Francisco
Machine Learning
Apply
≈ $89k – $171k per year (Estimated) • Hybrid • Full-Time • Oxford
Machine Learning
Apply
≈ $51k – $120k per year (Estimated) • Hybrid • Full-Time • 3+ years exp • Bachelor's Degree • Oxford
Python
C
C++
Embedded C
AI/ML
Machine Learning
DevOps
RTOS
Linux
IoT
FreeRTOS
Apply
In office • Full-Time • 8+ years exp • Master's Degree
Python
Machine Learning
Chips/EDA
Cadence Virtuoso
Siemens Calibre
Sonnet
Apply
≈ $68k – $147k per year (Estimated) • Hybrid • Full-Time • 5+ years exp • Bachelor's Degree • Oxford
C++
Machine Learning
DevOps
RTOS
Linux
IoT
FreeRTOS
Apply
Hybrid • Full-Time • 7+ years exp • Bachelor's Degree
Python
C++
MLIR
Machine Learning
Apply