Embedded Software Director
Current
Sep 2023 - Present
AeroLeads people directory · profile
Raphaël Geslain Email & Phone Number
Embedded Software Director at Ledger
at
Ledger
1 work email found
@ledger.fr
LinkedIn matched
✓ Verified May 2026
4 data sources
Profile completeness 100%
Current company
Role
Embedded Software Director at Ledger
Location
Paris, Île-de-France, France
Company size
Who is Raphaël Geslain? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
Raphaël Geslain is listed as Embedded Software Director at Ledger at Ledger, a company with 219 employees, based in Paris, Île-de-France, France. AeroLeads shows a work email signal at ledger.fr and a matched LinkedIn profile for Raphaël Geslain.
Raphaël Geslain previously worked as Embedded Software Director at Ledger and Head of Embedded Software at Ledger. Raphaël Geslain holds Engineer'S Degree, Computer Sciences And Applied Mathematics from Ecole Nationale Supérieure D'Informatique Et De Mathématiques Appliquées De Grenoble.
Company email context
Email format at Ledger
This section adds company-level context without repeating Raphaël Geslain's masked contact details.
{first_initial}{last}@ledger.fr
76% confidence
AeroLeads found 1 current-domain work email signal for Raphaël Geslain. Compare company email patterns before reaching out.
Profile bio
About Raphaël Geslain
I am an Engineering director in charge of building and scaling the teams responsible for the embedded developments and technical stacks on Ledger products, as well as their deliveries.I was previously a Research and Development senior software engineer, and I mainly worked within embedded systems, with different kinds of constraints depending on the developed products.
Listed skills include Embedded Systems, Embedded Software, Smart Cards, Emv, and 15 others.
Current workplace
Raphaël Geslain's current company
Company context helps verify the profile and gives searchers a useful next step.
Ledger
7 roles
Raphaël Geslain work experience
A career timeline built from the work history available for this profile.
Head Of Embedded Software
The scope described below gets extended, the team includes other embedded software components and switches to 'Embedded Software Consumer'.In addition to the activities described below, I am responsible for the engineering deliveries on specific products.
Mar 2022 - Aug 2023
Lead Firmware Engineer
I built and am leading the 'Firmware Consumer' engineering team, dedicated to work on the software embedded within Ledger's B2C products and associated tooling:① Hardware Abstraction Layers, Operating Systems and associated SDKs,② Embedded applications,③ Tooling for third party developers.We are among others in charge of:① Maintaining, improving and.
Oct 2019 - Mar 2022
Senior Software Engineer
I designed and developed source code embedded in a STB middleware based either on Linux or on Android, and participated in scaling the team, through fit and coding interviews for open engineering positions.
Sep 2018 - Sep 2019
Technical Leader And Emv Expert
I was subject-matter expert in embedded EMV applications, their biometric extensions, and Global Platform features for banking products - in addition to the activities described in the previous position.■ Knowledge of several applications, standards and schemes: ① MasterCard and Visa standards, Gemalto Pure, EMVCo CPA, GIE-CB, ② Global Platform and EMV.
Sep 2015 - Aug 2018
Smartcard Software Engineer
I designed and developed secure source code within smartcards application and operating system layers.■ Payment applications and Global Platform, biometric and cryptographic operating system features: ① Specification, design and embedded development - C, Java Card, ② Security and optimization - Source code size and time-related performances, ③ Functional.
May 2010 - Sep 2015
Smartcard Software Engineer - Internship
IP suite development on a smartcard - validated both the 'Ensimag' engineering school and the 'Joseph Fourier' university diplomas.
Sep 2009 - May 2010
Team & coworkers
Colleagues at Ledger
Other employees you can reach at ledgerwallet.com. View company contacts for 219 employees →
BN
Bhagyadhar Nayak
Colleague at LedgerCuttack District, India, India
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KA
Khalil Assabaa
Colleague at LedgerParis, Île-de-France, France, France
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CW
Charles White
Colleague at LedgerSan Antonio, Texas, United States, United States
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CC
Christophe Calvès
Colleague at LedgerGreater Paris Metropolitan Region, France
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VP
Valeria Pelin
Colleague at LedgerGreater Barcelona Metropolitan Area, Spain
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AR
Alexandre Robillard
Colleague at LedgerOrvault, Pays De LA Loire, France, France
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SA
Stéphane Avril
Colleague at LedgerGreater Paris Metropolitan Region, France
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VA
Vishakha Agharkar
Colleague at LedgerBezons, Île-de-France, France, France
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DP
Damien Piechaczyk
Colleague at LedgerFrance, France
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PM
Pierrot Moreno
Colleague at LedgerParis, Île-de-France, France, France
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Bhagyadhar Nayak
Colleague at LedgerCuttack District, India, India
View →
KA
Khalil Assabaa
Colleague at LedgerParis, Île-de-France, France, France
View →
CW
Charles White
Colleague at LedgerSan Antonio, Texas, United States, United States
View →
CC
Christophe Calvès
Colleague at LedgerGreater Paris Metropolitan Region, France
View →
VP
Valeria Pelin
Colleague at LedgerGreater Barcelona Metropolitan Area, Spain
View →
AR
Alexandre Robillard
Colleague at LedgerOrvault, Pays De LA Loire, France, France
View →
SA
Stéphane Avril
Colleague at LedgerGreater Paris Metropolitan Region, France
View →
VA
Vishakha Agharkar
Colleague at LedgerBezons, Île-de-France, France, France
View →
DP
Damien Piechaczyk
Colleague at LedgerFrance, France
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PM
Pierrot Moreno
Colleague at LedgerParis, Île-de-France, France, France
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3 education records
Raphaël Geslain education
Engineer'S Degree, Computer Sciences And Applied Mathematics
Master'S Degree, Mathematics, Computer Sciences In Security, Cryptology And Information Coding
Erasmus Exchange, Information Technology Security
FAQ
Frequently asked questions about Raphaël Geslain
Quick answers generated from the profile data available on this page.
What company does Raphaël Geslain work for?
Raphaël Geslain works for Ledger.
What is Raphaël Geslain's role at Ledger?
Raphaël Geslain is listed as Embedded Software Director at Ledger at Ledger.
What is Raphaël Geslain's email address?
AeroLeads has found 1 work email signal at @ledger.fr for Raphaël Geslain at Ledger.
Where is Raphaël Geslain based?
Raphaël Geslain is based in Paris, Île-de-France, France while working with Ledger.
What companies has Raphaël Geslain worked for?
Raphaël Geslain has worked for Ledger, Irdeto, and Idemia.
Who are Raphaël Geslain's colleagues at Ledger?
Raphaël Geslain's colleagues at Ledger include Bhagyadhar Nayak, Khalil Assabaa, Charles White, Christophe Calvès, and Valeria Pelin.
How can I contact Raphaël Geslain?
You can use AeroLeads to view verified contact signals for Raphaël Geslain at Ledger, including work email, phone, and LinkedIn data when available.
What schools did Raphaël Geslain attend?
Raphaël Geslain holds Engineer'S Degree, Computer Sciences And Applied Mathematics from Ecole Nationale Supérieure D'Informatique Et De Mathématiques Appliquées De Grenoble.
What skills is Raphaël Geslain known for?
Raphaël Geslain is listed with skills including Embedded Systems, Embedded Software, Smart Cards, Emv, C/C++, Mastercard, Visa, and Cpa.
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