SiPearl

SiPearl is a European semiconductor company focused on designing high-performance, energy-efficient processors for supercomputing and Artificial Intelligence (AI). Founded by Philippe Notton in June…

AIEnergy-efficientEuropeExascaleProcessorSemiconductorSovereigntySupercomputingsipearl.com

SiPearl

AIEnergy-efficientEuropeExascaleProcessorSemiconductorSovereigntySupercomputingsipearl.com

HQMaisons-Laffitte, FR

Team Size163

Open Jobs24

Total Funding$154M

Latest Fundraise11 months ago

TL;DR

Founded: 2019

Headquarters: Maisons-Laffitte, Île-de-France, France

Product focus: High-performance, energy-efficient Arm-based CPUs for supercomputing and AI (Rhea1)

Flagship customer / contract: EuroHPC JUPITER exascale supercomputer

Recent funding: €130M Series A final close (July 2025)

Company Overview

Problem Domain

Sovereign high-performance computing and AI processors for supercomputing, defense, security, health, energy and climate domains.

Founded

2019

Industry

Semiconductor Manufacturing

Tech Stack

Arm Neoverse V1

HBM

DDR5

PCIe Gen5

TSMC (manufacturing partner)

Funding Track Record

Series A (final close)- 2025-07-08

€130,000,000

Final closing of a €130M Series A including participation from Cathay Venture, EIC Fund and France 2030 as described in company communications.

Series A (first closing)- 2023-04

€90,000,000

Announced first closing of a Series A to launch Rhea1.

Seed / grant

€7,400,000

Early seed funding from the EU Horizon 2020 programme.

Investor Signal

“Includes strategic and public investors such as Arm Holdings, Cathay Venture, European Innovation Council/EIC Fund, France 2030 and Eviden”

Join the Team

Spontaneous application 🌐

HybridBologna, Emilia-Romagna, IT

Hybrid • Bologna, Emilia-Romagna, IT

At SiPearl, we are constantly looking for new talent! 🚀 If you are passionate about your profession and wish to grow in a stimulating environment, don’t hesitate to send us your spontaneous application.

We are open to all applications and will carefully consider each profile.

Join us to help create Rhea, the "Made in Europe" microprocessor that will be the technological heart of European supercomputers, and develop your skills within a fast-growing company.

💻

Who are we? Founded in 2019 with the support of the European Union 🇪🇺, SiPearl embodies Europe's dream of mastering the technological heart of its supercomputers: the microprocessor.

SiPearl is developing Rhea, the high-performance, low-power European microprocessor dedicated to supercomputing and AI.

Startup jobs. A lot of them.

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52,000+

Startups

65,000+

Open Roles

1,300+

New This Week

Frontend Developer

Part-timeLondon, GB

Part-time • London, GB

Machine Learning Engineer

ContractAustin, US

Contract • Austin, US

Data Scientist

InternshipNovi Sad, RS

Internship • Novi Sad, RS

Backend Developer

InternshipSan Francisco, US

Internship • San Francisco, US

Software Engineer

Full-timeJerusalem

Full-time • Jerusalem

Mobile Developer

ContractJerusalem

Contract • Jerusalem

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This new generation of microprocessors will initially target the EuroHPC ecosystem, which is deploying world-class high-performance computing infrastructures in Europe to tackle major challenges in medical research, artificial intelligence, security, energy management, and climate with a reduced carbon footprint.

SiPearl works closely with its 30 partners from the European Processor Initiative (EPI) consortium – major names from the scientific community, high-performance computing centers, and industry – who are its stakeholders, future clients, and end users.

SiPearl Employs Over 190 People In France (Maisons-Laffitte, Grenoble, Massy, Sophia Antipolis),

Are you curious to learn more about us?

Follow us on LinkedIn to stay informed about our latest news
Stay updated on our recruitment activities: SiPearl Careers
Discover our culture: Welcome to the Jungle

At SiPearl, we are committed to building a diverse and inclusive workplace that thrives on the strength of varied perspectives and backgrounds. We recruit talent based on merit, experience, and alignment with the goals and values of our company.

SiPearl is the European fabless designer of sovereign secure high-performance energy-efficient CPUs for HPC, AI and data centres. These CPUs will help address strategic challenges in the fields of security, defence, medical research, energy, climate and engineering with a reduced environmental footprint.

This new generation of microprocessors will first target EuroHPC Joint Undertaking ecosystem , which is deploying world-class supercomputing infrastructures in Europe for solving major challenges in medical research, artificial intelligence, security, energy management and climate with a reduced carbon footprint. 🌱

Incubated Within The European Processor Initiative (EPI) Consortium And Seed-funded By The European Union, SiPearl Employs Almost 200 People In

France (Maisons-Laffitte, Grenoble, Massy, Sophia Antipolis),
Spain (Barcelona)
and Italy (Bologna)

Following a €130 million Series A, the company has launched its Series B round.

SiPearl

SiPearl

TL;DR

Company Overview

Problem Domain

Founded

Industry

Tech Stack

Funding Track Record

Investor Signal

Founders

What we do

Join the Team

Spontaneous application 🌐

Startup jobs. A lot of them.

Frontend Developer

Machine Learning Engineer

Data Scientist

Backend Developer

Software Engineer

Mobile Developer

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