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What is t3rn?

t3rn is a hosting platform for smart contracts, that enables trustless, interoperable execution and composable collaboration. Initially developed through the Web3 Foundation grants program, t3rn delivered a full proof of concept, before joining the Substrate Builders Program.

t3rn was created to address some of the core issues in blockchain technology, namely interoperability and how open-source software rewards contributors. t3rn will bring full smart contract interoperability to Polkadot and beyond, as well create an ecosystem that rewards developers based on how widely used their open-source contributions are.

We believe in trust-free collaboration. We are building an open, decentralized and community driven protocol for smart contract hosting and execution, where businesses and developers share solutions and grow the network’s value exponentially.

t3rn Whitepaper

t3rn Lightpaper

t3rn Web3 Foundation Grant statement

t3rn initial backers


  • Create an e2e testing environment, ensuring cross-chain transactions are working correctly
  • Take ownership of e2e testing especially with new integrations, forks, etc
  • Automate test generation, ensuring hard-fork or network upgrades don’t break our integrations
  • Systematically try to break our blockchain, finding bugs, exploits, and logic errors
  • Benchmark and quantify our blockchains performance under real-world usage, creating an automatic benchmarking pipeline


  • At least 2 years of experience in this role or similar (Software Developer in Test, QA Automation)
  • Proficient in javascript
  • Basic Rust knowledge and experience
  • You have developed automation frameworks from scratch in Go, Python or other system languages
  • Experience with GIT (Github), Docker
  • Experience with CI/CD
  • Experience with building maintainable and well documented codebases
  • Fluent proficiency in English

A Plus

  • Practical experience of working with the crypto / decentralized technology space, and open source, privacy-minded communities
  • You’re excited about web3 and blockchain

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