Quantum-Si

11 open jobs

General information

At Quantum-Si we have a created a very unique environment where bright, highly committed individuals are given the freedom, ownership, and resources to solve tough problems and be the first to do new science. We are fully-funded by successful founders so employees can focus on creating, building, learning, and getting to market products that will change the world.¹

Website

quantumsi.com

Headquarters

London, United States

Industry

Healthcare & Life Sci

Hiring activity

11Open jobs

+0Added in 30 days

−7Closed in 30 days

New jobs added per week²

View these weekly figures as a table

Week beginning	New listings
July 20, 2026	0
July 27, 2026	3
August 3, 2026	0
August 10, 2026	4
August 17, 2026	1
August 24, 2026	0
August 31, 2026	3
September 7, 2026 (in progress)	0

Open jobs

11 open · updated today

Senior AI Engineer Technology · London 10 days ago Senior Data Engineer Technology · London 10 days ago Senior Full Stack Engineer Technology · London 10 days ago Head of Data Engineering Technology · London 25 days ago Technical CRM Specialist Crm · London 30 days ago Head of Business Development Commercial · London 33 days ago Creative Strategist Performance Marketing · London 41 days ago Senior Frontend Engineer (Web & App) Rewards · Maidstone 41 days ago Paid Social Specialist Performance Marketing · London 43 days ago Graduate Data Engineer Technology · London Hybrid 74 days ago Technical CRM Executive Crm · London 86 days ago

Page 1 of 1, most recently added first · Download (CSV)³

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Visa sponsorship

Does Quantum-Si sponsor visas? Using USCIS data, we've collected the number of H-1Bs granted from 2021 to 2023. Quantum-Si is a likely employer for applicants who require sponsorship.⁴

Visa petitions approved each year (USCIS)⁴

H1B petitions approved, by fiscal year (USCIS)
Fiscal year	Approved
FY2021	5
FY2022	9
FY2023	0

Based on public USCIS and Department of Labor records. Past filings do not guarantee future sponsorship. Browse all H1B sponsors →

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Common questions

Is Quantum-Si hiring now?

Yes. There are 11 open jobs.

Does Quantum-Si sponsor H-1B visas?

Yes. Government records show 14 approved petitions from FY2021 to FY2023.

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Notes & sources

23 daily listing observations, Jun 7 to Sep 12 windowRechecked daily, last September 12, 2026

1. Company description. From Quantum-Si's own public material, shown only where we have it, never generated.
2. Weekly counts. A count is the number of listings the pipeline saw for the first time in that week. Weeks begin Monday; the onboarding week is excluded from the scale and every average.
3. Live counts. Deduplicated live listings observed daily on Quantum-Si's own hiring system; last check September 12, 2026. Stale and syndicated posts on aggregator sites are not counted.
4. Federal visa records. USCIS H1B Employer Data Hub and US Department of Labor LCA disclosure files, matched to this company by name.

Sources
quantumsi.com, checked daily
USCIS H-1B Employer Data Hub
US Department of Labor LCA disclosure files
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