Senior OS Firmware Engineer, Ledger

Ledger

Location:
France, Paris

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Not provided

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Job Description:

We're making the world of digital assets accessible and secure for everyone. Join the mission. Founded in 2014, Ledger is the global platform for digital assets and Web3. Over 20% of the world’s crypto assets are secured through our Ledger Nanos. Headquartered in Paris and Vierzon, with offices in UK, US, Switzerland and Singapore, Ledger has a team of more than 700 professionals developing a variety of products and services to enable individuals and companies to securely buy, store, swap, grow and manage crypto assets – including the Ledger hardware wallets line with more than 7 millions units already sold in 200 countries. At Ledger, we embody the values that make us unique: Pragmatism, Audacity, Commitment, Trust and Transparency. Hear from our employees how they shape the work we do here. To sustain the company's growth, Ledger is looking for a new talent to work in the embedded firmware team (in charge of the hardware wallets Ledger Operating System) in order to take care of existing products' firmware evolution and next products’ firmware development.

Job Responsibility:

Work on the firmware specification, implementation and testing
Implement secure and documented source code
Implement the associated SDK aimed at firmware applications development
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
The mission could include the implementation and testing of cryptographic algorithms

Requirements:

Diploma in Computer Sciences, Engineering or related discipline
4+ years of Embedded C software development
Experience on embedded development on secure elements
Good communication skills
Interest in software and hardware attacks and their countermeasures

Nice to have:

Blockchain knowledge
Experience in secure and efficient cryptographic algorithms implementation
Interest in software and hardware attacks and their countermeasures
Embedded Rust software development
Advanced Encryption Standard and Elliptic Curve Cryptography

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: 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, including Apple products
Transport: Ledger reimburses part of your preferred means of transportation
Discounts: Employee discount on all our products

Additional Information:

Job Posted:
June 14, 2025

Employment Type:

Fulltime

Work Type:

Hybrid work

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Senior OS Firmware Engineer