Offchain Labs
Security Engineer
United States6 days ago
Remote Posted on Feb 24, 2026 Apply now At Offchain Labs, we aren’t just building products: we’re leading a movement. As pioneers in blockchain scalability and security, we're at the forefront of transforming how the world interacts with decentralized applications. We're laying the foundation that will define the next generation of digital commerce, governance, and human interaction. This involves tackling real-world challenges that come with scaling blockchain technology, without compromising on its core principles: decentralization, security and transparency. At the center of this vision is our people. Our team is made up of thinkers and doers that embrace new challenges and seek solutions that push existing boundaries. If you’re energized by solving unprecedented problems, and believe in the role that decentralized systems will play in creating a more equitable digital future, then we want to hear from you. Why Offchain Labs? Offchain Labs is setting the pace for the entire Ethereum ecosystem. We built the Arbitrum stack that powers Arbitrum One, the most widely adopted Ethereum scaling solution that exists today. Arbitrum’s ecosystem is undergoing tremendous growth with hundreds of projects and dApps on Arbitrum One today. Over 100 different teams have used Offchain Labs technology to build their own Arbitrum chains. Major players in the space, Robinhood, BlackRock, Ethena Labs, Securitize, Aave, and Apechain are all using the Arbitrum stack. Arbitrum’s thriving ecosystem wouldn’t exist without our advanced technology stack. Arbitrum, Prysm, ZeroDev. These aren’t just product names. These are tools that are actively reshaping what's possible on Ethereum and advancing its core infrastructure. To top it all off? We’re backed by $124 million in funding. We’ve demonstrated consistent execution with billions in secured value, thousands of supported projects, and infrastructure processing millions of transactions seamlessly. What you'll do: Attack fundamental challenges to building scalable, secure, reliable, user-friendly blockchain systems Reason through the emerging trends in the crypto and blockchain space and identify (non)obvious opportunities for Offchain Labs Proactively perform feasibility studies and analysis for new protocols, architectures, and feature enhancements Design and write technical specifications and academic papers Design and build proofs of concept Collaborate with research colleagues, share knowledge and expertise, and solve problems together Work with teams across the broader organization, including engineering, product, and business development, to think beyond current technical limitations in delivering the best experience for developers and users Who you are: Doctorate degree in Computer Science/Engineering or related discipline, or Master’s degree in Computer Science/Engineering, or equivalent work experience 1–2 years of relevant research and development experience in academic and/or industry settings Deep expertise in one or more distributed systems, security, or cryptographic research areas (e.g., distributed protocols, design and analysis of cryptographic algorithms, formal methods, secure multi-party computation, system security, and/or their application to data protection and privacy, authentication, payments, and cryptocurrencies) Familiarity with or willingness to learn blockchain technologies An open-minded research approach and genuine intellectual curiosity Ability to explain complex concepts in simple terms to a non-technical audience Attention to detail and a commitment to excellence A positive attitude and a passion for sharing knowledge within your team, organization, and broader community Experience or interest with layer 2 technologies is a plus Perks: Remote-first global workforce + NY office Annual company offsite + team onsites Professional reimbursement program (facilitates industry conference attendance, certifications, and more) Medical, dental & vision coverage (US + some other countries) 401k retirement plan + company match (US only) Wellness stipend Home office set up / ergonomic equipment program Attention Offchain Labs Job Seekers: This role cannot be performed in California, or Colorado. Please be advised that there has been a rise in fraudulent recruiter activities, particularly within the Web3 space. If you would like to confirm whether someone is an OCL employee or the legitimacy of an offer you received, please email jobs@offchainlabs.com At Offchain Labs, we are committed to building a welcoming and supportive workplace for all employees, regardless of their background or identity. We strive to create an environment where everyone feels valued and has an equal opportunity to succeed and thrive. We encourage candidates from all walks of life to apply and join our team. Apply now See more open positions at Offchain Labs