Senior Firmware Engineer – Secure Enclave

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 a

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 15% of the world’s crypto assets are secured through our Ledger Nanos. Headquartered in Paris and Vierzon, with offices in the 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 5 millions units already sold in 180 countries.

At Ledger, we embody the values that make us unique: Pragmatism, Audacity, Commitment, Trust and Transparency. Have a look at our Origins video here.

To sustain the company’s growth, Ledger is looking for new talents to work on its secure enclave applications for Ledger Vault

Your mission:

    • Development of applications running on BOLOS Enclave for our Ledger Vault product,
    • Improve support of existing blockchains such as Bitcoin, Ethereum… and add new ones,
    • Add new ambitious product features,
    • Improvement of our software development tools, patterns and overall product security architecture,
    • Interaction with Internal Software engineering teams and Product teams working on Ledger Vault.

What we’re looking for:

    • Diploma in Computer Science, Engineering or similar field,
    • Relevant experience in C code cross compilation, optimization and security pitfalls,
    • Relevant experience in Python 3 and associated test frameworks,
    • Used to work with git and its associated development workflows,
    • Experience using cryptography primitives (hash, symmetric and asymmetric algorithms),
    • Being comfortable with containerization and consuming/exposing services over different protocols such as REST or gRPC is a plus.

Nice to have:

    • First experience in a secure environment (HSM, TEE, secure element),
    • Interest in computer security,
    • Good knowledge of blockchain technologies,
    • Knowledge of consensus protocols,
    • Development in Java.

What’s in it for you?

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

We are an equal opportunity employer for all without any distinction of gender, ethnicity, religion, sexual orientation, social status, disability or age.

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