Senior Firmware Engineer

Job title: Senior Firmware Engineer

Location: Paris Engineering - Firmware

About Ledger

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.

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’ Operating System and associated applications.

What you’ll be doing:

The applications for our hardware wallet products include cryptocurrencies support as well as key management and security protocols (like PGP, SSH, U2F and more). We have over 150 apps available on Ledger Live.

We need you to:

• Implement and maintain secure applications running on top of our operating system,

• Develop and improve our application development framework,

• Ensure the quality of our applications (tests, CIs, guidelines, documentation…)

• Release and deploy new applications to be available in the Ledger Live,

• Support third-party developers.
  

Main interactions:

• OS part of the team for SDK evolutions,

• Security team for software vulnerabilities analysis and corrections,

• Product team for requirements prioritization,

• Customer Success team for end users issues analysis and corrections.

• Developer community

What we’re looking for:

Requirements

• Required - Diploma in Computer Sciences, Engineering or related discipline,

• Required - Good communication skills,

• Preferred - Interest in software and hardware attacks and their countermeasures,

• Desired - Blockchain interest and/or knowledge.

Technical requirements

• Required - Embedded C software development,

• Preferred - Python software development,

• Preferred - Cryptography general knowledge,

• Desired - Rust software development.

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:

• Flexible work options - Our hybrid policy allows employees to work from home up to 3 times per week

• Health & Wellness support - Health and Life Insurance.

• Financial growth opportunities - Employees can become shareholders in Ledger as well as other financial benefits depending on your country of work.

• Commuter allowance - Ledger offers a commuter allowance to contribute to your preferred means of transportation.

• Learning & Development - A comprehensive suite of training solutions providing a personalised learning experience for every employee.
  

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.