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Ledger

Software Security Engineer Intern (f/m) (6 months)

Remote Paris, France
Rust Python
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Description
We’re the forever innovators. On a mission that goes beyond business. Securing digital ownership in a changing world. Unlocking true freedom. We’re revolutionaries.
Looking beyond today. Bridging excellence and pragmatism, with ambition and conviction,to push the limits of what’s possible. That’s what you’ll do here, in this playground of innovation. With leadership and trust, you’ll write the rules of new technology, and create products that redefine security in a digital age.

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 500 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 6 millions units already sold in 200 countries. 

The Donjon is the team in charge of the security of all the products built at Ledger. As a security engineer, your daily job will be to attack Ledger Vault, our solution dedicated to financial institutions, and Ledger Live, our B2C app, in order to maintain and improve our leadership in the industry.

Starting date: January/February 2025
Duration: 6 months

Your misson

  • Participate in the Embedded Apps security team
  • Perform security reviews of new wallet applications or new features
  • Develop a fuzzing framework and promote security practices

What we're looking for

  • A bachelor/master degree in Computer Science/Electrical Engineering
  • Good programming skills C (mandatory), Rust or Python 
  • A good level in English

Technical Skills

  • Fluency in C and good basis in Rust, including secure programming in these languages
  • Development of fuzzers, or tools that automate security analysis is a plus
  • Ability to develop and document methods, standards, and guidelines

What's in it for you?

  • Flexibility: Partial remote work possible
  • Social: Frequent social events, snacks and drinks
  • Transport: Ledger reimburses part of your preferred means of transportation
  • Lunch vouchers with Swile
  • Vacation: 1 day off for every full month of work, in addition to national holidays
Ledger guarantees fairness for all during the recruitment process, regardless of gender, ethnic origin, religion, sexual orientation, social status, disability or age
Ledger
Ledger
Cryptocurrency Cyber Security Infrastructure SaaS

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