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BlueYard Capital
BlueYard Capital

Open Source Developer - Rust



Software Engineering
Posted on Saturday, July 22, 2023

About us

Founded in 2015, OpenZeppelin is the premier crypto cybersecurity technology and services company, trusted by the most used DeFi and NFT projects in the world.

Our mission is to protect the open economy, safeguarding tens of billions of dollars in funds for leading crypto organizations including Aave, Coinbase, Compound, Ethereum Foundation, TheGraph and many others.

The OpenZeppelin team, spread across 30+ countries in the world, is responsible for creating the most popular Open Source Library for Smart Contract development in the world with over 15 million downloads! The expertise we've built along the years allowed us to uncover major security vulnerabilities for some of the most well known players in the market.

With the success of our products, our security audit work, and the open source educational efforts, we are setting the industry standards for secure systems of a hyper-fast-growing industry and we're looking for more folks to help us on our mission.

As an Open Source Developer, you will join our team that works on open source libraries for the Polkadot ecosystem.

In this role, you will be part of a new team working with the Polkadot community to develop a new open source library of OpenZeppelin Runtimes for Polkadot. You will be part of the team working with the community to define the runtime library roadmap, and to design, implement, test, and document the runtime features and supporting components. You will also have the chance to participate and present at community events to share information on OpenZeppelin’s work.What you'll be doing

  • Review smart contracts for the top decentralized applications before they get launched and present findings and vulnerabilities that the protocol can have to the client.

  • Team up with one or two auditors and review code line by line and try to hack it.

  • Working on proposals to make code easier to understand and use in the future by sharing good practices

  • Conduct open-ended research around cutting edge blockchain technologies.

  • Paid time to conduct research and contribute to OpenZeppelin’s projects and knowledge

You have

  • 1-3 years of Rust programming experience.

  • 3+ years of experience in software engineering.

  • Strong desire to further your education about Polkadot and contribute to the blockchain space.

  • Knowledge of or experience with one or more public blockchains.

  • A degree or equivalent education in computer science.

  • 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

  • Knowledge of or experience working with Polkadot runtimes, Substrate or FRAME pallets.
  • Experience contributing to open source projects.
  • Experience presenting at blockchain or open source community events.


Our interview process takes place on Zoom and tends to consist of the following stages:

  • Recruiter call (45 minutes)

  • Manager call (45 minutes)

  • Team member interview (1 hour)

  • 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.


  • Unlimited holidays 🏝
  • Fully remote: your way of working 🌎
  • Paid parental leave & benefits for primary or second caregiver 💙
  • Team events: onboarding tour & company retreats in different locations around the world 😎
  • Work from home office equipment stipend of up to $500 USD 🪑
  • Monthly allowance for wellness activities 💪
  • Coworking: access to a coworking space of your choice 👩‍💻
  • Learning: technical training; spoken language lessons in any language of your choice (using Italki) 🗣
  • Working 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!