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 25% 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 almost 1000 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.

The Hardware Engineering team at Ledger is looking for a key addition to its team : Hardware Validation Firmware Engineer. In this role you will be responsible for low level validation of new components and bring up of early prototype boards. 

Main mission :

• Develop firmware to enable the qualification of new hardware components. 
• Study and report on components performance vs. expected behaviors. 
• Contribute to our Factory test mode low level firmware
• Develop on microcontrollers and microprocessors.  MCU/MPSOC/SOC
• Collaborate with Hardware and Electronics engineers to ensure correct setups of components in our systems. 
• Develop various applications on top of our own OS for testing and qualification of hardware performance in system: C or RUST. 
• Be support of test benches and factory tools for hardware validation.


• Engineering degree with at least 3 years of experience. 

Must have: 
• Solid C programming skills.
• Good knowledge of python/Rust/C++.
• Working knowledge of versioning tools (GIT, other…).
• Comfortable with low level concepts: (Interrupt, Systick, peripherals ..).
• Working knowledge of OS operations  (linux, others…), and  Micro-Kernel (FreeRTOS/Zéphyr etc ..).
• Fundamental EE skills and able to review schematic..
• Ability to navigate components datasheets
• Ability to debug on target ( GDB).
• Hands-on experience using lab equipment like oscilloscope, Spectrum analyzer, soldering iron.
• Rigor, technical English (B2 min) and interpersonal skills for collaboration across teams.

Big Plus: 
• Knowledge of CI/CD tools ( Jenkins, GHE, Ansible …).
• Ability to do simple custom PCBA.
• Knowledge of  “Secure Elements”.

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.