Rossum
rossum.ai
Actively hiring
Document AI
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Overview
News
Technologies
Salaries
Products
People
Growth
Offices
Jobs
Financials
Funding and backers
Total raised
$100M
11 rounds on record
Latest round
Venture round
May 2026 · 5 mo ago
Team
51-200
employees, estimated range
Hiring now
4
open roles
Backers
3
General Catalyst, Local Globe
The money's age
Fresh money
5 months since the last round · hiring slowed
Momentum
35/100
in the news, fresh money
Last sign of life
this month
a posting or a news item
The story so fareach stage dated by its source: the company's releases, the press, registers, filings
May 12
Raised a round Venture round
Jan 30
Raised a round Venture round
Jun 11, 2025
Raised a round Venture round
Dec 3, 2024
Raised a round Venture round
Jun 17, 2024
Raised a round Venture round
Oct 31, 2023
Raised a round Venture round
Mar 29, 2022
Raised a round Venture round
Dec 16, 2021
Raised a round Venture round
Oct 20, 2021
Raised a round Series A $100M · Cognitive Data Capture Rossum
Apr 19, 2021
Raised a round Venture round
Mar 6, 2018
Raised a round Venture round
Jan 16, 2017
Founded per the company register
Tractionpublic signals, read monthly
Web presence
top 0.33%
of 133.2M domains by links, Common Crawl
Hacker News stories
3
best: 6 points
Funding rounds
| Round | Date | Amount | Investors | Source |
|---|---|---|---|---|
| Venture round | May 2026 | — | — | find-and-update.company-information.service.gov.uk |
| Venture round | Jan 2026 | — | — | find-and-update.company-information.service.gov.uk |
| Venture round | Jun 2025 | — | — | find-and-update.company-information.service.gov.uk |
| Venture round | Dec 2024 | — | — | find-and-update.company-information.service.gov.uk |
| Venture round | Jun 2024 | — | — | find-and-update.company-information.service.gov.uk |
| Venture round | Oct 2023 | — | — | find-and-update.company-information.service.gov.uk |
| Venture round | Mar 2022 | — | — | find-and-update.company-information.service.gov.uk |
| Venture round | Dec 2021 | — | — | find-and-update.company-information.service.gov.uk |
| Series A | Oct 2021 | $100M | — | Cognitive Data Capture Rossum |
| Venture round | Apr 2021 | — | — | find-and-update.company-information.service.gov.uk |
| Venture round | Mar 2018 | — | — | find-and-update.company-information.service.gov.uk |
Registers and programsofficial lists and records that name the company
| Legal entity | ROSSUM LTD | Companies House |
| Registered | 16 Jan 2017 |
Backed byfrom the funds' portfolios and accelerator catalogs
General Catalyst 
Seedcamp Investors in similar startupsfunds that back the companies most like this one
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News
Emmy Rossum Shares How She Embraces Her Curls for Her Kids
Emmy Rossum chatted about her curl routine and red carpet prep with WWD at the YSL Beauty Block Party on Saturday in New York City.
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'Furious' series review: Emmy Rossum powers this tale of feminine rage
Emmy Rossum delivers a powerhouse performance in Furious, a sharply written psychological thriller that uses a serial killer investigation to explore abuse, vengeance, gender, power and systemic corruption
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Report
Emmy Rossum reveals if she'd be interested in a 'Shameless' reboot:
Emmy Rossum reveals if she'd be interested in a 'Shameless' reboot on 'Live with Kelly and Mark.'
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Report
Report
'Furious' Review: Emmy Rossum and Lola Petticrew Lead Hulu's Complex, Ultimately Satisfying Epstein-Era Serial Killer Thriller
Emmy Rossum and Lola Petticrew star in Hulu's 'Furious,' a serial killer thriller loosely based on the 1987 film 'Black Widow.'
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Report
Emmy Rossum Says There's an 'Emotional Intent' Behind Embracing Her Curls in Her Latest Projects (Exclusive)
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Report
Elon Musk (@elonmusk) on X
@gvanrossum Flight code for the rockets and Starlink satellites is written in C and C++. Python is used where runtime performance is less important than rapid iteration and ease of use.
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Why developers still flock to Python: Guido van Rossum on readability, AI, and the future of programming
Discover how Python changed developer culture-and see why it keeps evolving.
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Report
Show more news
Tech stack
Technologies named in job postings at Rossum over the last 12 months, by layer, with the share of postings for each.
Technologies in use
21
Postings analysed
8
Stack modernity
77/100AI adopter
Languages
Python
SQL
Frameworks & libraries
Django
Flask
Databases
PostgreSQL
Cloud & platforms
Kubernetes
AWS
Amazon S3
RabbitMQ
AI & ML
LLM
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Full Rossum tech stack
21 technologies · by team · pay by technology · changes · similar stacks
Growth
Hiring Momentum
52/100
Stable
Open positions
4
0 opened / 2 closed in 30 days
Median time-to-fill
95 days
faster than 14% 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.
AI/ML
40% ▼
Data Science
40% ▼
Backend
20% ▼
Activity Timeline
Added Triton Inference Server to stack
Sep 2026
Added Triton to stack
Sep 2026
Added RabbitMQ to stack
Sep 2026
Added Kustomize to stack
Sep 2026
Added Feature Store to stack
Sep 2026
Added ETL/ELT to stack
Sep 2026
Added Amazon S3 to stack
Sep 2026
Added Time Series Forecasting to stack
Sep 2026
Added SQL to stack
Sep 2026
Added Multimodal AI to stack
Sep 2026
Added LLM to stack
Sep 2026
Added Edge AI to stack
Aug 2026
Offices
Where the company hires and what each office is for
Cities
2
Hiring now
1
Countries
2
Busiest office
Prague
Loading the map
Headquarters
Builds here
Office with open vacancies
No open vacancies right now Tap a pin for the office
London
United Kingdom
HQ
Prague
Czech Republic
Engineering / R&D
4 open roles 5 posted in 90 days 100% engineering 50-200 est. staff
hires for AI/ML, Data Science
Jobs
≈ $48k – $107k per year (Estimated) • In office • Full-Time • 5+ years exp • Prague
Python
SQL
Multimodal AI
LLM
Time Series Forecasting
Apply
≈ $36k – $93k per year (Estimated) • In office • Full-Time • 5+ years exp • Prague
Python
SQL
Multimodal AI
LLM
Time Series Forecasting
Apply
≈ $44k – $112k per year (Estimated) • Hybrid • Full-Time • 5+ years exp • Prague
Python
SQL
PostgreSQL
RabbitMQ
AI/ML
Triton Inference Server
Multimodal AI
LLM
Feature Store
DevOps
Kustomize
CI/CD
AWS
Kubernetes
Platform Engineering
Amazon S3
Analytics
ETL/ELT
Apply
≈ $53k – $129k per year (Estimated) • Hybrid • Full-Time • 5+ years exp • Prague
Python
SQL
PostgreSQL
RabbitMQ
AI/ML
Triton Inference Server
Multimodal AI
LLM
Feature Store
DevOps
Kustomize
CI/CD
AWS
Kubernetes
Platform Engineering
Amazon S3
Analytics
ETL/ELT
Apply
Financials
Total raised
$100M
Latest round
Venture - Series Unknown
Funding rounds
11
Funding rounds
| Round | Announced | Amount | |
|---|---|---|---|
| Venture - Series Unknown | 2026 | — | Details |
| Venture - Series Unknown | 2026 | — | Details |
| Venture - Series Unknown | 2025 | — | Details |
| Venture - Series Unknown | 2024 | — | Details |
| Venture - Series Unknown | 2024 | — | Details |
| Venture - Series Unknown | 2023 | — | Details |
| Venture - Series Unknown | 2022 | — | Details |
| Venture - Series Unknown | 2021 | — | Details |
| Series A | 2021 | $100M | Details |
| Venture - Series Unknown | 2021 | — | Details |
| Venture - Series Unknown | 2018 | — | Details |