
11 - 50 employees
Founded 2015
đ Security
âïž SaaS
đ° Seed Round on 2018-01
Security âą Blockchain âą SaaS
OpenZeppelin is a leading provider of open-source tools and services that secure and streamline smart contract development. They offer a comprehensive suite of solutions, including a secure smart contract library, an interactive smart contract generator (Contracts Wizard), and a defender cloud service for monitoring, automating, and upgrading smart contracts. OpenZeppelin's services include smart contract security audits and emergency response teams to address vulnerabilities promptly. Their ecosystem stack accelerates developer onboarding and ensures high security standards are met in decentralized applications. Trusted by major decentralized projects, OpenZeppelin is a standard-bearer in the blockchain space, focusing on security, scalability, and privacy in smart contract and onchain applications development.
đ Yesterday
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11 - 50 employees
Founded 2015
đ Security
âïž SaaS
đ° Seed Round on 2018-01
Security âą Blockchain âą SaaS
OpenZeppelin is a leading provider of open-source tools and services that secure and streamline smart contract development. They offer a comprehensive suite of solutions, including a secure smart contract library, an interactive smart contract generator (Contracts Wizard), and a defender cloud service for monitoring, automating, and upgrading smart contracts. OpenZeppelin's services include smart contract security audits and emergency response teams to address vulnerabilities promptly. Their ecosystem stack accelerates developer onboarding and ensures high security standards are met in decentralized applications. Trusted by major decentralized projects, OpenZeppelin is a standard-bearer in the blockchain space, focusing on security, scalability, and privacy in smart contract and onchain applications development.
âą 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. âą Team up with one or two auditors and review code line by line and try to hack it. âą Working on proposals to make code easier to understand and use in the future by sharing good practices. âą Conduct open-ended research around cutting edge blockchain technologies. âą Paid time to conduct research and contribute to OpenZeppelinâs projects and knowledge.
âą Hands-on and practical experience in one or more of the following areas: software development, cyber security, mathematics. âą Experience with public Ethereum or other EVM-based blockchains. âą Knowledge in the Solidity programming language. âą Intellectual curiosity and the capability to learn complex topics. âą Above-average attention to detail skills. âą The ability to work independently, with minimal supervision. âą An advanced English level and great communication skills (oral and written). âą Passion about the blockchain space and decentralization. âą Ability to work collaboratively in a distributed team. âą Nice to have: Experience in Back-end programming using JavaScript, Python, Golang or Rust. âą Experience performing code reviews. âą Experience in financial engineering and/or capital markets microstructure.
âą Company in-person gatherings in different locations around the world đ âą Fully remote work đ âą Flexible time off đ âą Paid parental leave đ âą One time work-from-home equipment stipend of up to $500 USD đȘ âą Medical insurance coverage đ„ âą Learning & Development opportunities đ§ âą Work with a global team in a fast-growing industry đ
Apply Nowđ 4 days ago
Blockchain Developer specializing in Solidity and Rust for Caiz, an Islamic financial ecosystem. Join the collaborative team reshaping finance through innovative blockchain technology.
đ May 3
Blockchain Developer specializing in Solidity and Rust for an Islamic financial ecosystem. Play a key role in developing and optimizing smart contracts and DeFi components.
đ April 20
Business Development Manager driving growth in cryptocurrency and blockchain initiatives at Caiz. Leading business development projects and building strategic relationships in the crypto space.
đ August 27, 2025
1 - 10
Backend Blockchain developer building Plutarch (Haskell) smart contracts for Cardax DEX on Cardano. Work remotely worldwide.
đ Anywhere in the World
đ” âŹ5k - âŹ8k / year
â° Full Time
đĄ Mid-level
đ Senior
âïž Blockchain Engineer