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 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 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.

At Ledger, we're on a mission to secure the world of digital assets while driving innovative blockchain solutions forward. As an intern on our Coin Integration Team, you’ll have a unique opportunity to gain hands-on experience in blockchain integration. If you’re excited about learning the inner workings of blockchain protocols, building secure connections between hardware and software, and working with cutting-edge technologies, this internship is for you!

Duration: 6 months

Start date: February / April 2025

The mission

• Assist in Cross-Team Blockchain Integration : Learn how various blockchain protocols (EVM, BTC, Solana, Polkadot, Cosmos, etc.) are integrated into the Ledger ecosystem and help develop new features or improvements.
• Support Connectivity Solutions : Collaborate with the team to ensure seamless interactions between Ledger products and the broader ecosystem. Contribute to Wallet Connect integrations, Dapp integrations in Ledger Live, and Wallet API enhancements.
• Learn JavaScript & Functional Programming : Hone your skills in the JavaScript ecosystem (TypeScript, Node.js, React) and get hands-on exposure to functional programming principles that enable clean, scalable code.
• Collaborate with Experienced Engineers : Work closely with senior engineers and cross-functional teams (product, QA, security) to troubleshoot issues, implement improvements, and maintain high-quality standards.
• Embrace an Agile Mindset : Participate in daily stand-ups, sprint planning, and retrospectives, gaining practical experience in agile workflows and CI/CD processes.

What we're looking for

• Enthusiasm for Technology : A passion for coding, problem-solving, and discovering new ways to enhance blockchain integrations and connectivity features.
• Basic JavaScript Knowledge : Familiarity with JavaScript or TypeScript, along with any experience (projects or coursework) in Node.js or React.
• Willingness to Learn Blockchain : Interest in understanding blockchain fundamentals and Web3 technologies; prior knowledge is a bonus but not required.
• Team Spirit : Strong communication skills and the ability to collaborate effectively in a diverse, fast-paced environment.
• Curiosity About Functional Programming : Openness to exploring functional programming and modern design patterns to develop robust software solutions.
• Agile Curiosity : Basic awareness of agile methodologies, with the desire to actively participate in a collaborative, iterative workflow.
• Bonus points : Exposure to Web3 or Dapp Development (Hands-on experience or coursework in blockchain concepts, smart contracts, or decentralized applications) OR Open-Source Contributions (Involvement in open-source projects, coding communities, or hackathons)

What's in it for you?

• Flexibility: A hybrid work policy
• Social: Frequent social events, snacks and drinks
• High tech: Access to high performance office equipment and gadgets, including Apple products
• Transport: Ledger reimburses 75% of your preferred means of transportation
• Food: We offer lunch vouchers with Swile
• Vacation: 1 day off for every full month worked

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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