Senior Typescript Engineer (Web3 / Ethers.js) - FinTech / Crypto

Incubly supports tech companies and startups in scaling their teams and boosting product development, testing, and deployment. They are working with a French company that is a leader in security and infrastructure solutions for cryptocurrencies and blockchain applications, with a team of over 400 professionals developing products including hardware wallets.

• A passion for coding and deep interest in the TypeScript ecosystem
• A service-oriented mindset with a commitment to delivering high-quality solutions
• Familiarity with Web3 integration libraries such as Ethers.js
• Basic understanding of blockchain architecture
• Interest in or initial experience with functional programming (in JavaScript or any FP language)
• Curiosity about decentralized systems and emerging blockchain technologies
• Professional fluency in English

Nice to have:

• Experience with React and modern frontend development
• Experience developing DApps or Web3 wallet software

• Work within the Ledger Blockchain Integration Team to enhance and expand Ledger Live’s blockchain integration coverage
• Apply expertise in JavaScript and TypeScript to solve complex technical problems and ensure smooth, reliable blockchain integrations for end users
• Utilize modern JavaScript practices, state management, asynchronous handling, and API/library management to improve integration workflows
• Collaborate with cross-functional teams and external partners to optimize blockchain integration architecture
• Implement functional programming approaches to maintain a clean, side-effect-limited codebase
• Contribute to scaling and improving testing strategies to ensure high-quality, reliable integrations