FireblocksRemote
Senior Full Stack Engineer
United States
Full Time
1 week ago
$177,000 - $230,000 USD
H1B Sponsor Likely
Key skills
Full-stack web developmentReactTypeScriptNode.jsExpressBlockchain technologiesSoliditySmart contractsClean code appreciationCuriosity about fintechCross-functional collaborationSmart ContractsBlockchain
About this role
Fireblocks is a leading company in the digital asset space, providing secure infrastructure for financial institutions. The Senior Full Stack Engineer will design and implement frontend and backend solutions for the Dynamic wallet platform, collaborating with various teams to deliver high-impact features and ensure system performance and reliability.
Responsibilities:
- Design and implement rich frontend experiences and scalable backend services that power Fireblocks’ wallet infrastructure through the Dynamic platform
- Own features across the stack: from technical design and architecture through implementation, testing, deployment, and ongoing optimization
- Build and maintain backend services and APIs supporting authentication, wallets, and payments infrastructure
- Develop user-facing features and frontend tooling for both end-user and developer-facing applications
- Collaborate closely with Product, Design, and other engineering teams to deliver robust, high-impact features
- Contribute to performance, reliability, and scalability improvements across the platform
- Help uphold engineering best practices through code reviews, testing, documentation, and knowledge sharing
Requirements:
- 3–5 years of experience building and shipping production-grade, full-stack web applications
- Strong experience with React and TypeScript on the frontend
- Experience building backend systems and APIs using Node.js (and frameworks such as Express)
- Comfort working across frontend and backend systems in complex, evolving codebases
- A strong appreciation for clean, maintainable code and system performance
- Experience collaborating cross-functionally with product and design partners
- Curiosity about fintech and Web3, and interest in building infrastructure used at global scale
- Experience with blockchain technologies (e.g., EVM chains, wallets, on-chain integrations)
- Solidity experience – writing, deploying, testing, or interacting with smart contracts in production environments
- Experience maintaining, testing, and securing smart contract systems post-deployment
- Experience with a variety of state management solutions in production React applications
- Experience with security products or other high-sensitivity domains