Junior Software Engineer – Team Connectivity

Website Ledger

Ledger is your gateway to securing, buying, and managing crypto

About the job
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 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 900 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.

At Ledger, we embody the values that make us unique: Pragmatism, Audacity, Commitment, Trust and Transparency. Hear from our employees how they shape the work we do here .

In this role, you’ll have the opportunity to grow, develop, challenge and contribute to Ledger’s mission of securing the digital world, while shaping it to be even more accessible, secure, and user-friendly.

Your mission

you will be an active key player in carrying out our mission to shape the future of the Web3 platform.
contribute to the challenging Ledger Connectivity Team, supporting tools and libraries such as the Wallet API, Wallet Sync and Connect Kit. Those libraries are consumed both internally at Ledger and externally by developers crafting Live apps integrated within Ledger Live.
immerse yourself in this challenging and crucial role, applying your growing knowledge of the JavaScript and web3 ecosystems to contribute to innovation and solve complex problems. Your knowledge of modern JavaScript practices, TypeScript, state managers and asynchronous handling in JavaScript will be further developed, contributing to streamlining our services and ensuring optimal performance.
working with individuals from cross-functional teams, helping on the optimisation of our blockchain architecture, and developing a functional programming approach to foster an efficient, maintainable and side-effect-limited codebase.
we’re looking for a professional who’s not just interested in ‘writing code,’ but also shows passion for the broader JavaScript ecosystem, blockchain, and is keen to grasp the impact of decentralised systems on the world


What We’re Looking For

Fundamental knowledge in the JavaScript ecosystem and an interest in Web3.
Familiarity with Web3 integration libraries such as Ethers.js or Wagmi.sh.
A basic knowledge of modern JavaScript practices, including state managers and asynchronous handling in JavaScript.
An interest in or initial experience with functional programming (in JavaScript or any Functional Programming language).
Experience with or mastering React.
Basic knowledge of blockchain architecture.
An interest in decentralised systems.
A service-oriented mindset with the willingness to deliver high-quality solutions.
A passion for coding and the TypeScript ecosystem.


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.

Benefits found in job post
Medical insurance

To apply for this job please visit jobs.lever.co.