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 the UK, US, Switzerland and Singapore, Ledger has a team of more than 700 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 Ledger Vault is today one of the world's main solutions for securing corporate digital assets. With some of the world's biggest web3 & Crypto companies as our clients, we have a mission to democratise and expand the usage of crypto assets and reunify financial assets with Web3 tokens.
We are seeking a talented and passionate Senior Frontend Developer with expertise in React to join our development team. In this role, you will collaborate closely with our UI/UX designers and backend developers to create visually appealing and intuitive user interfaces for our web applications. If you also possess JavaScript backend skills, you'll have the opportunity to contribute to the backend development as well.
Your mission • Lead the design and development of high-quality, reusable, and efficient React components for our web applications, adhering to best practices and coding standards
• Collaborate with UI/UX designers to translate design mockups and wireframes into responsive and interactive user interfaces
• Optimize applications for maximum speed and scalability while ensuring cross-browser compatibility
• Work closely with backend developers to integrate frontend components with backend APIs, ensuring seamless communication between the two layers
• Mentor and guide junior engineers, providing technical leadership and fostering a culture of continuous learning and improvement
• Participate in code reviews, providing constructive feedback and ensuring code quality and consistency across the development team
• Stay up-to-date with the latest trends and advancements in frontend development and contribute innovative ideas to enhance our products
• Drive architectural decisions and work on improving the overall frontend infrastructure
• Collaborate with product managers to define and implement product features and roadmaps
What we're looking for • Extensive proficiency in React and its core principles, with a proven track record of leading complex frontend projects.
• Proficiency in web technologies such as HTML5, CSS3, JavaScript, and TypeScript.
• Experience with state management libraries such as Redux or MobX.
• Familiarity with frontend build tools and package managers such as Vite and npm.
• Understanding of RESTful APIs and asynchronous request handling.
• Solid understanding of version control systems, preferably Git.
• Ability to work collaboratively in a team environment, as well as independently.
• Strong problem-solving skills and attention to detail.
• Excellent communication and interpersonal skills.
• Proven experience in mentoring junior engineers and driving technical dec
Optional Skills (Backend):
• Experience with backend technologies such as Node.js and Express.js.
• Knowledge of database systems, both relational (e.g., MySQL, PostgreSQL) and NoSQL (e.g., MongoDB).
• Understanding of server-side development and API design.
• Ability to troubleshoot and optimize backend performance.
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.