Who we are
Dfns is a cybersecurity company providing crypto wallet infrastructure. Founded in August 2020 in Paris, Dfns was incubated by Techstars and STATION F before becoming a SOC-2 certified firm audited by Deloitte, employing 30 people across 6 countries and raising over $20M since creation with investors such as White Star Capital, Susquehanna, Coinbase, ABN AMRO, Hashed, 6MV, Semantic, Bpifrance, Figment, SGH, Wintermute, Motier, and more.
Dfns develops the most secure wallet-as-a-service infrastructure in Web3. It’s an API-first wallet management system, ideal for applications and organizations seeking to provide secure access to all blockchains through a single integration. Our APIs and SDKs were designed for wallet programmability and efficient implementations, enabling fast deployments, smart automation flows, as well as granular sets of permissions and policies via secure authentication credentials.
About this team
Help us build the leading wallet infrastructure for the multi-trillion-dollar digital asset industry. Join exceptional leaders (CTO, CPO, Chief Scientist) and experts (Platform Engineers, Security Engineers, Cryptographers, Protocol Designers) in a dynamic, collaborative environment. We’re looking for a skilled Lead Frontend Engineer with UI expertise, a keen eye for detail, and the ability to thrive in high-pressure situations within our engineering team.
As a Lead Frontend Engineer, you will create and implement functional user-facing software solutions. You will collaborate with upper management to define software requirements and lead operational and technical projects. You will oversee significant sub-departmental projects, relying on strong organizational and problem-solving abilities.
You will also drive software change and release management processes to enhance the overall SDLC maturity. Ultimately, your goal is to ensure that software deliverables meet quality standards, adhere to timelines, and prioritize security.
Your main objective is to create, test, and maintain top-notch software that aligns with customer requirements and business objectives.
6+ years as a Frontend Engineer.
Proficient in Typescript programming (or equivalent).
Mastery of React & React Native for UI development.
Knowledge of WebAuthn and passkey-based authentication.
Experience creating and maintaining multiple SDKs as well as rapid prototyping.
Strong error handling, real-time notifications and debugging skills.
Knowledge of secure audit logging and financial UIs practices.
Understanding of cybersecurity principles.
[Bonus] Experience in developer tools, cybersecurity, or blockchain.
[Bonus] In-depth understanding of crypto wallets and their use cases.
Compensation: We offer competitive salary on a full-time permanent work contract, along with equity offering.
Location: France or other EU countries (flexibility to work fully remotely or at an office location of your preference within the European Union).
Work essentials: MacBook Pro, iPhone, AirPods, and other necessary equipment.
Events: fully funded attendance at fintech, blockchain, or related conferences.
Benefits: healthcare and life insurance, retirement plan, sponsored transportation, gym, lunch card, home office equipment, and other perks.