This job listing was recently removed

Unfortunately, this job listing is no longer available, but we have other roles open that may interest you.

Search blockchain jobs
API3 logo


Builds blockchain-native, decentralized APIs with DAO-governance

Senior Smart Contract 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, improve the CI/CD pipeline of Airnode and the automation testing for API3 solutions.

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


  • 2+ years of experience as a blockchain developer in commercial projects
  • Very proficient with Solidity
  • 5+ years of experience with a strong technical background in different technologies and environments
  • Good grasp of modern software development tools (testing frameworks, CI/CD, version control, etc.)


  • A PhD in relevant disciplines
  • Experience as an auditor of smart contracts
  • dApp development experience / React

How to Apply

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

API3 website

View more jobs at API3

The best new crypto jobs straight to your inbox