Senior Frontend Engineer

Voici un poste à distance. A leading provider and Developer of DeFi infrastructure and software building the next generation of on-chain finance and DeFi liquidity infrastructure on Solana and offering a dual-protocol system designed to help safeguard traders from major market events for the safety and growth of crypto worldwide. Their offer tackle current DeFi platforms reliance on over-collateralized lending forcing users to lock up liquidity juggle multiple protocols and face high liquidation risks. Their solution enables under-collateralized borrowing programmable margin accounts and composable strategies all through one seamless app. It unlocks capital efficiency reduces risk and makes DeFi more accessible and powerful. MISSIONS As a a Lead/Senior Front-End Engineer to own and drive the frontend of the Products platform. You embody a foundational hire and will shape the companys product user experience architecture and frontend culture. As the go-to person for all things frontend youll: - Lead FE development across the App portfolio including margin dashboards Recipes restaking flows and advanced DeFi integrations. - Design implement and maintain a scalable frontend architecture (React/TypeScript). - Own Solana integrations: from transaction flows to real-time on-chain data visualization. - Collaborate closely with design backend and product to define and deliver features. - Establish best practices for code quality testing and deployment. - Help build and mentor the frontend team as the App grows. Responsibilities: - Lead FE vision: Define architecture frameworks and coding standards. - Build & ship: Develop core UI/UX features with React TypeScript and Solana web3 libraries. - Integrate deeply with Solana: Wallet adapters transaction flows margin accounts adapters (e.g. Jupiter) and restaking systems. - Optimize UX: Create responsive real-time high-performance interfaces. - Collaborate: Partner with backend and product teams to deliver roadmap milestones. - Mentor & scale: Guide future FE hires review code and foster engineering excellence. Profil Must have: - Strong experience building and shipping production frontends (React TypeScript). - Proven Solana expertise: wallets web3 libraries transaction flows and on-chain integrations. - Experience with real-time data state management and error handling in blockchain UIs. - Track record of leading projects or teams ownership of architecture and delivery. - Excellent communication and collaboration skills in startup environments. Nice to have: - Experience with DeFi protocols margin trading or restaking mechanics. - Prior startup or founding engineer experience. - Contributions to open-source Solana or DeFi projects. Informations contractuelles Contract : Permanent role (Hybrid remote) in Paris (France) or other EU countries or US (EST times) Remote first company : flexibility to work fully remotely or at an office location of your preference within the European Union. Salary: to 220k USD (or 190 K) per year on a full-time permanent work contract. Equity: 100-200 stock options vested over 4 years with a one-year cliff. Benefits: healthcare and life insurance retirement plan sponsored transportation gym lunch card home office equipment and other perks. Recruitment process : Founder / CEO Interview to understand your background motivations and high-level alignment with the companys mission. (career journey and goals interest in the company and the role culture fit assessment) : 45 minutes Technical Interview to assess technical skills and problem-solving ability relevant to the position. (Practical problem-solving or coding exercise discussion of past projects and technical decisions evaluating depth of expertise and approach to challenges) : 60 minutes Group Interview to determine cultural and interpersonal fit (Collaboration and communication style alignment with the companys values work ethic ownership and adaptability) team dynamics and personality alignment : 45 minutes Final Interview with the CEO to ensure mutual clarity and readiness to move forward. (Expectations offer details next steps remaining questions) : 30 minutes Required Skills: Must have: - Strong experience building and shipping production frontends (React TypeScript). - Proven Solana expertise: wallets web3 libraries transaction flows and on-chain integrations. - Experience with real-time data state management and error handling in blockchain UIs. - Track record of leading projects or teams ownership of architecture and delivery. - Excellent communication and collaboration skills in startup environments. Nice to have: - Experience with DeFi protocols margin trading or restaking mechanics. - Prior startup or founding engineer experience. - Contributions to open-source Solana or DeFi projects. Key Skills APIs,C/C++,Computer Graphics,Go,React,Redux,Node.js,AWS,Library Services,Assembly,GraphQL,High Voltage Employment Type : Full Time Experience: years Vacancy: 1 Monthly Salary Salary: 190 - 220