Firmware Engineer - Internship

We’re a team of experts pushing the limits of what’s possible, united by our common goal to unlock true freedom through digital ownership, making technology accessible for all. We believe in a world where users, creators and enterprises manage their value with ownership and freedom. Our curiosity drives us to innovate, empowering individuals on a global scale. We believe change is constant and our team moves forward as one, with a culture of problem-solving where every employee is empowered and supported to challenge tradition and create solutions. Our mission is simple: to make self-custody accessible and give people the keys to their own financial futures. If you want to make a true impact, we want you to join us at Ledger.

At Ledger, we’re proud to be the global platform for digital assets and Web3, with over 20% of the world’s crypto assets secured through our Ledger devices. With our headquarters in Paris, and offices in Vierzon, Grenoble, Montpellier, London, Portland, Geneva, Zurich and Central Singapore, we have a team of around 600 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 7.5 millions units already sold in 200 countries.

Internship duration: 6 months

The team

To sustain the company's growth, Ledger is looking for new talents to work on the Vault platform. The Ledger Vault is a SaaS solution addressing the need to safeguard very large and diversified amounts of cryptocurrencies while mitigating both IT and physical assault threats. It's an enterprise-grade solution based on "HSM" (Hardware Security Module) and hardware authenticators. It's a turnkey SaaS hardware/software suite enabling multi-cryptocurrency, multi-authorization, rate-limiting, and time-locking.

What you'll be doing

• Build a flexible, device-agnostic layer in the vault app to support our products Ledger Stax, Flex, and Nano Gen.

• Analyze how the vault app works with Ledger Stax today.

• Understand the multi-device support SDK.

• Create a clear design and project plan for multi-device support.

• Ensure quality: tests, CI, guidelines, and documentation.

• Add automated CI validation with Ragger for the updated vault app.

What we're looking for

• Diploma in Computer Sciences / Engineering

• Strong experience in Embedded C and Rust software development

• Cryptography general knowledge

• Good communication skills

• Bonus points : Blockchain interest

At Ledger, we are dedicated to continually investing in our employees which is why we offer more than just salaries; we provide comprehensive compensation packages that include a wide range of benefits. Here are some of the benefits you can look forward to:

• Social: Frequent social events, snacks and drinks

• Transportation allowance: Ledger offers a commuter allowance to contribute to your preferred means of transportation.

• Lunch vouchers: Ledger offers a meal allowance with Swile

• Vacation: 1 day off for every full month of work, in addition to national holidays

• Compensation: €800 - €1,500 a month

For regionally specific benefits, your Talent Acquisition contact will be able to provide you with more information.

We’re committed to building an inclusive hiring process. If you need any adjustments or accommodations, just let us know, we’ll do our best to support you.