Senior Frontend Software Engineer

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 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 Develop high-quality, reusable, and efficient React components for our web applications while 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. 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. What we’re looking for Strong proficiency in React and its core principles. Proficiency in web technologies such as HTML5, CSS3, and 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. Portfolio of previous projects showcasing your React expertise is a plus 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. We are an equal opportunity employer for all without any distinction of gender, ethnicity, religion, sexual orientation, social status, disability or age. #LI-HG #LI-Hybrid #J-18808-Ljbffr