Full-Stack Engineer, Wallet Infrastructure

The Bitcoin Street Journal; New York (NY); On-site; USD 177,000 - 230,000; Full time

Job summary

Fireblocks, NYC-based, seeks an experienced full-stack engineer for its Dynamic platform, building secure wallet infrastructure and developer tools. You will craft rich frontend experiences, implement scalable backend services, and collaborate with cross-functional teams to deliver high-impact features.

You will work across frontend and backend systems, emphasizing performance, security, and reliability, with exposure to Web3 technologies and institutional-grade infrastructure.

Qualifications

• 3–5 years of production-grade full-stack web app experience.
• Strong React and TypeScript on the frontend.
• Backend systems and APIs using Node.js (Express).
• Comfort working across frontend and backend in evolving codebases.
• Interest in fintech and Web3 with global-scale infrastructure.

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

Skills

Frontend React

TypeScript

Backend Node.js

Express

Blockchain Web3

Solidity

Tools

Express

Web3 libraries

Job description

Fireblocks, NYC-based, seeks an experienced full-stack engineer for its Dynamic platform, building secure wallet infrastructure and developer tools. You will craft rich frontend experiences, implement scalable backend services, and collaborate with cross-functional teams to deliver high-impact features.

You will work across frontend and backend systems, emphasizing performance, security, and reliability, with exposure to Web3 technologies and institutional-grade infrastructure.