Full Stack Engineer, Retail Wallet Services

About the Team

The Retail team plays a pivotal role in shaping, developing, and maintaining the wallet infrastructure that powers Fireblocks’ retail customers. We’re a product team with strong infrastructure and scale DNA, responsible for:

• Reliably providing blockchain information and wallet-related data
  
  
• Orchestrating complex operations across multiple blockchains
  
  
• Continuously supporting new use cases and introducing new product offerings for high-scale customers
  
  

You’ll work on systems that handle high-volume transactions and rapidly evolving blockchain ecosystems, while helping deliver a polished, intuitive product experience for millions of end users.

What You’ll Do

• Design and implement scalable backend services and rich frontend experiences that power Fireblocks’ retail wallet products
  
  
• Own features across the stack: from architecture and design, through implementation and testing, to deployment and ongoing optimization
  
  
• Collaborate closely with Product, Design, and other engineering teams to deliver high-impact capabilities for retail customers
  
  
• Work with blockchain data and wallet flows to ensure reliable, performant, and secure behavior at scale
  
  
• Help evolve our architecture, observability, and engineering practices to support growing traffic, new blockchains, and new product offerings
  
  
• Contribute to a culture of quality, security, and collaboration through code reviews, documentation, and knowledge sharing
  
  

What You’ll Bring

• 5+ years of experience in full-stack development, with a strong background in architecting and building complex, large-scale web applications
  
  
• Proven record of bringing UX and product designs to production in complex web applications
  
  
• Experience with React on the frontend and Node.js (or similar) on the backend
  
  
• Experience writing code in Agile environments with CI/CD practices
  
  
• An excellent team player who can also independently explore, propose, and implement well-thought-out solutions
  
  
• Ability to lead development projects end-to-end – from design and planning through implementation, testing, deployment, and monitoring
  
  
• B.Sc. in Computer Science / Engineering or equivalent knowledge
  
  

Big Advantages

• 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 MobX in production React applications
  
  
• Experience with security products or other high-sensitivity domains
  
  

Fireblocks' mission is to enable every business to easily and securely access digital assets and cryptocurrencies. We believe our workforce should be as diverse as our clients, and we embrace diversity and inclusion in all its forms.