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Senior Full Stack Engineer (Back-End Oriented)

Offchain Labs

Salary not specified
Nov 19, 2025
Remote, US
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Offchain Labs is looking to solve real-world challenges that come with scaling blockchain technology, without compromising on its core principles: decentralization, security and transparency. They are leading a movement to transform how the world interacts with decentralized applications and are laying the foundation that will define the next generation of digital commerce, governance, and human interaction.

Requirements

  • Expertise in JavaScript and TypeScript
  • Expertise in building secure, stable and scalable Node.js back-end services and an understanding of cloud infrastructure necessary to power said services
  • Experience designing SDKs with clean and intuitive APIs, and similar developers tooling
  • Experience with Web3, Ethereum, and tooling such as Viem or Ethers
  • A track record of successfully shipping products to customers
  • A strong sense of ownership in your work, which drives you to find ways to do things better and faster
  • A detail-oriented approach to work, always making sure to output high-quality work through rigorous testing
  • A security-first mindset, proactively identifying and addressing potential vulnerabilities in code
  • A curious mind, constantly on the lookout for new technologies and innovative ways to solve complex problems through experimentation

Responsibilities

  • Contribute as an expert in JavaScript and TypeScript
  • Work on Node.js back-end services focused on blockchain, Ethereum scaling with Arbitrum, onchain apps, and more
  • Work on developer tooling and SDKs that will help people build awesome products
  • Keep up-to-date on the latest technologies and developments in the space
  • Communicate in a style that is open, transparent, and direct, and consistently work in tight collaboration both with your teammates and other teams
  • Look for ways to help out beyond the scope of your day-to-day work

Other

  • 5+ years of hands-on full-stack engineering experience
  • Mastery of CS fundamentals, either through a formal university program or through self-learning
  • A collaborative, open communication style, with a willingness to embrace feedback and pursue continuous self-improvement
  • This role cannot be performed in California, or Colorado.