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Security Integrations Developer



Software Engineering
Posted on Tuesday, July 9, 2024

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.

The Security Intergations team Team Blurb ❤️

The Security Integrations role is critical for supporting the Security Services team, ensuring robust and efficient operations across the organization. This role is central to our mission of providing secure and reliable blockchain solutions. By developing and maintaining various automation and integration tools, the Security Integrations Engineer enables the team to deliver top-notch security services effectively.

What you'll be doing

  • Create Defender Actions using JavaScript and TypeScript for Node.js, transforming blockchain events into actionable information.
  • Generate definitions using the Defender as Code Serverless plugin for monitoring and automation.
  • Implement automated testing and deployment to maintain system reliability and security.
  • Develop GitHub Actions to streamline data collection, analysis, simulation testing, and reporting for OpenZeppelin Audits.
  • Create analysis tools in Rust for Foundry, Hardhat, and Tenderly to ensure secure cross-chain interactions.
  • Use Python and Regular Expressions for data processing and threat detection.
  • Develop tests for smart contracts in Solidity for Foundry, and JavaScript/TypeScript for Hardhat.

You have

The ideal candidate for the Security Integrations role should have a strong technical background, specifically in blockchain technologies and automation. The following technical skills and proficiencies are required:

  • Experience in developing and testing smart contracts in Solidity and JavaScript/TypeScript.
  • Expertise in interacting with Ethereum blockchain and smart contracts including Familiarity with Etherscan and its functionalities
  • Advanced knowledge for configuration and data exchange using YAML and JSON
  • Proficiency in package management and dependency resolution with NPM and Yarn
  • Strong experience in Git version control and collaborative development.
  • Proficiency in navigating and scripting within Linux environments.
  • Experience in setting up and managing CI/CD pipelines through GitHub Actions
  • Intermediate skills in Python for data processing and scripting.
  • Strong problem-solving and communication skills in a collaborative and remote team environment

Nice to have

  • Experience with creating Defender Actions, setting up monitors, and using Infrastructure as Code.
  • Proficiency in Foundry, Hardhat, Tenderly for Ethereum smart contract development, testing, and debugging.
  • Expertise in optimizing Function-as-a-Service functions.
  • Strong experience in developing and testing smart contracts in Solidity.


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

  • Recruiter call (45 minutes)
  • Hiring Manager call (45 minutes)
  • Leadership call (30 minutes)
  • 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.


  • 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!