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Typescript Software Engineer

https://www.ledger.com Logo

Ledger

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Location:
France , Paris

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

800.00 - 1500.00 EUR / Month
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Job Description:

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. At Ledger, we develop a variety of products and services to securely buy, store, swap, grow and manage crypto assets, including Ledger hardware wallets. As a Coin Integration Intern, you’ll contribute to integrating and maintaining protocols to support Ledger’s ecosystem, gaining hands-on experience with Web3 technologies.

Job Responsibility:

  • Contribute to blockchain integrations by helping integrate and maintain multiple protocols (EVM, Bitcoin, Solana, Polkadot, Cosmos, etc.) within the Ledger ecosystem
  • Build and improve connectivity solutions that allow Ledger products to interact seamlessly with the broader Web3 ecosystem (Wallet API, Wallet Connect, Dapp integrations)
  • Develop your engineering skills through hands-on work in JavaScript and TypeScript, using frameworks such as Node.js and React, while applying clean code and modular design principles
  • Collaborate with multidisciplinary teams, participating in agile ceremonies, code reviews, and cross-functional discussions to understand how software projects are delivered at scale
  • Learn blockchain from the inside, discovering how various protocols operate and connect with hardware wallets.

Requirements:

  • Currently enrolled in a Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related field
  • Strong programming skills in JavaScript or TypeScript, with experience in Node.js or React (from coursework or personal projects)
  • Eagerness to learn about blockchain, Web3, and modern software practices
  • Good communication and teamwork skills, with the ability to collaborate in a dynamic, fast-paced environment
  • Interest in software craftsmanship, writing maintainable, well-structured code and exploring functional programming concepts
  • Familiarity with agile workflows and openness to feedback and iteration.
What we offer:
  • Frequent social events, snacks and drinks
  • Transportation allowance
  • Lunch vouchers
  • 1 day off for every full month of work, in addition to national holidays.

Additional Information:

Job Posted:
November 13, 2025

Employment Type:
Fulltime
Work Type:
On-site work
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