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OpenZeppelin

Open Source Developer

Posted 22 Days Ago
Remote
Mid level
Remote
Mid level
As an Open Source Developer at OpenZeppelin, you will create and maintain open source libraries for smart contracts and associated tools. Your responsibilities include coding, testing, and documentation, along with collaborating with developers to enhance usability. The role requires experience in smart contract development and a strong understanding of the Ethereum ecosystem.
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About us

Founded in 2015 with the mission to protect the open economy, OpenZeppelin is the world leader in securing blockchain applications and smart contracts. 

It's Open Source Contract Libraries are a public good and industry standard for smart contract development. 

OpenZeppelin’s professional expertise integrates through clients’ development lifecycles, so teams can plan, code, audit, deploy and operate projects faster and more safely.

Please note: Always refer to OpenZeppelin's official job page for the most accurate information about our open roles, as we have seen multiple third party job sites posting inaccurate information.

The Development Team

OpenZeppelin is one of the major contributors to the crypto open source ecosystem, providing open source libraries for Solidity, Cairo, Stylus, Polkadot, Stellar, and Midnight. In this role you will have the possibility to work with some of the most talented developers in the industry to create reusable building blocks for smart contract and dapp developers, and to help in our mission to protect the open economy.

OpenZeppelin’s work on open source is funded by leading L1s and L2s, including EVM and non-EVM platforms. You will be part of OpenZeppelin’s recognized software development team responsible for the widely adopted OpenZeppelin Contracts, Wizard, and Defender.

What you'll be doing

As an Open Source Developer, you will join our team that works on open source libraries for smart contracts, as well as associated open source developer tools. This open source will extend the work already done in the widely used OpenZeppelin Contracts library. We are looking for developers who have strength in Solidity, Rust, or Typescript development and have deep knowledge of smart contracts and dapps.

In this role, you will play an essential part in designing and implementing new library modules, communicating with smart contract developers and blockchain network community members to gather feedback, and working collaboratively with other members of the development team to make sure our open source libraries and associated tools meet developer needs and expectations. You will be responsible for smart contract coding, testing, documentation, and security. You may also participate in open source tools development to assist developers using our library.

You have

  • 2+ years of experience in software development.
  • 1+ years of experience developing smart contracts (Solidity or other languages).
  • Good understanding of design best practices and security in the Ethereum ecosystem.
  • Prior experience working remotely: strong personal organizational skills, a love for self-time management, and ability to work collaboratively with a team.
  • Advanced English communication skills — all of our internal and external communication is in English.

Nice to have

  • Experience in Rust, Typescript, React.
  • Experience contributing to open source projects.

Logistics

Our interview process takes place on Zoom and consists of the following stages:

  • Recruiter Call (45 mins)
  • Team Interview (60 mins)
  • Hiring Manager Call (45 mins)
  • Paid work test (Lasting up to 10 days)
  • Reference checks

Please let us know if you require any accommodations for the interview process, and we’ll do our best to provide assistance.

Benefits
  • Company in-person gatherings in different locations around the world 😎
  • Fully remote work 🌎
  • Flexible time off 🏝
  • Paid parental leave 💙
  • One time work-from-home equipment stipend of up to $500 USD 🪑
  • Medical insurance coverage 🏥
  • Learning & Development opportunities 🧠
  • Work with a global team in a fast-growing industry 🚀

At OpenZeppelin, we are an equal opportunity employer and we value different perspectives. We are committed to building a diverse workforce. This includes but is not limited to gender, race, sexual orientation, religion, national origin and other characteristics that make each one of us unique. In this uniqueness, we find the most value. Come join us!


Top Skills

Rust
Solidity
Typescript

OpenZeppelin London, England Office

London, United Kingdom

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