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.
Its bedrock open source Contract Libraries are a public good and industry standard for smart contract development.
OpenZeppelin’s professional expertise, unified with the Defender developer security platform, 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.
Libraries and Tooling Team
OpenZeppelin is one of the major contributors to Ethereum open source ecosystem, providing open source libraries for Solidity, Cairo and now Stylus. In this role you will work with some of the most talented developers in the industry to create reusable building blocks for the Arbitrum community and help in our goal to make OpenZeppelin Contracts multi platform.
What you'll be doing
As a Open Source Developer, you will join our team that works on open source libraries for Rust smart contracts, for use on multiple blockchain platforms such as Arbitrum Stylus, Solana, or Cosmos. This library will offer similar capabilities to those found in the widely adopted OpenZeppelin Contracts library. We are looking for developers who have strength in Rust development and have deep knowledge of smart contracts and Ethereum.
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 library meets developer needs and expectations. You will be responsible for library coding, testing, documentation, and security. You may also participate in open source tools development to assist developers using our library.
You have
- 3+ years of experience in software development.
- 2 years of experience developing Smart Contracts (Solidity or other languages)
- 2+ years of Rust programming experience.
- Good understanding of security concerns in the Ethereum ecosystem.
- Interested in or knowledgeable about Ethereum L2s.
- 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 contributing to open source projects.
- Experience writing smart Contracts in Rust (Cairo, Solana, etc)
- Understanding of cryptography, elliptic curves and some experience developing cryptography libraries
Location:
This is a 100% remote position with no travel required but we are only hiring in the following time zone range:
- UTC -7 to UTC +3
Logistics:
Our interview process takes place on Zoom and tends to consist of the following stages:
- Recruiter Call (45 minutes)
- Hiring Manager Interview (1 hour)
- Team Interview (1 hour)
- Leadership Interview (30 minutes)
- Paid work test (up to 10 days to complete the assignment)
- 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 for primary or second caregiver 💙
- One time work-from-home equipment stipend of up to $500 USD 🪑
- Co-working (up to $250/month) 👩💻
- Medical coverage
- Annual Learning & Development budget 🧠
- Referral program
- 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!