Senior Firmware Engineer, Ledger

Senior Firmware Engineer

Ledger

Location:
France, Paris

Category:
IT - Software Development

Contract Type:
Employment contract

Salary:

Not provided

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Job Description:

The company is looking for a new talent to work within the Enclave team responsible for building a secure “Enclave”, the trusted backend of Ledger products powered by Hardware Security Modules (HSMs) used across all our business units. The team provides a firmware that embeds a virtual machine to provide secure capabilities and also writes the backend and tooling that serve these capabilities to the other backend teams.

Job Responsibility:

Implement secure and documented source code
Implement the associated VM’s SDK and backends
Architecture and source code optimization
Ensure the quality of the implemented features with tests
Ensure the security of the source code regarding security certifications constraints

Requirements:

Diploma in Computer Sciences, Engineering or related discipline
Expertise with embedded C software development
Knowledge of the cryptographic algorithms
Good communication skills
Interest in software security
Experience with security products

Nice to have:

Expertise embedded Rust software development
Experience with gRPC, Protobuf, docker, kubernetes technologies
Experience with python, java or go languages
Interest in blockchains and crypto currencies

What we offer:

Equity: Employees are the foundation of our success, and we award stock options so you can share in that success as we grow
Flexibility: A hybrid work policy
Social: Annual company outing, plus frequent social events, snacks and drinks
Medical: Comprehensive health insurance policy offering extensive medical, dental and vision care coverage
Well-being: Personal development, coaching & fitness with our dedicated partners
Vacation: Five weeks of paid leave per year, in addition to national holidays and rest & relaxation (RTT) days
High tech: Access to high performance office equipment and gadgets
Transport: Ledger reimburses part of your preferred means of transportation
Discounts: Employee discount on all our products

Additional Information:

Job Posted:
July 08, 2025

Employment Type:

Fulltime

Work Type:

Hybrid work

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