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Builds blockchain-native, decentralized APIs with DAO-governance

Senior Backend Developer

API3 builds blockchain-native, decentralized APIs with DAO-governance and quantifiable security. We have recently raised a high profile seed round, executed a public distribution, and are now looking to fill some key roles in our core technical team.

Airnode is a serverless oracle node designed to be operated by API providers, and will act as a gateway between traditional Web APIs and smart contracts running on blockchains. This position will help extend Airnode to support new protocols and functionality.

You can refer to the API3 whitepaper and our Airnode article for more information.


  • Work on mission-critical projects with limited/no supervision
  • Play an active role in the design and architecture of our solutions
  • Learn new technologies as needed
  • Work remotely with an internationally distributed team


  • 5+ years of professional experience as a software developer
  • Very proficient with JavaScript/TypeScript
  • Experience with Node.js
  • Good grasp of modern software development tools (testing frameworks, CI/CD, version control, etc.)


  • Good understanding of blockchain technologies
  • Experience with Solidity, frameworks such as web3.js/ethers.js
  • Experience developing serverless projects

How to Apply

To apply for this position, send a free-form application with the title “Senior Backend Developer” to [email protected]. Please provide your Github page or any other source where we can review your work.

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