Solidity Jobs in California, United States

Senior Blockchain Security Engineer

Founded in 2009 by Marc Andreessen and Ben Horowitz, Andreessen Horowitz (known as "a16z") is a venture capital firm in Silicon Valley, California, that backs bold entrepreneurs building the future through technology. We are stage agnostic: We invest in seed to late-stage technology companies, across the consumer, enterprise, bio/healthcare, crypto, and fintech spaces. a16z has $19.2B in assets under management across multiple funds, including the $1.4B Bio funds, the $3.1B Crypto funds, and the Cultural Leadership Fund.

We’ve established a team that is defined by respect for the entrepreneur and the entrepreneurial company building process. We’ve invested in companies like We’ve invested in companies like Celo, Coinbase, Compound, Dfinity, Diem, Maker, and OpenSea. Our team is at the forefront of new technology, helping entrepreneurs and their companies impact and change the world.

The Role

As a Blockchain Security Engineer at a16z Crypto, you will focus on protocol security across our entire portfolio. It is a unique opportunity to pioneer the field and elevate the security bar for the whole space.

You will work hand-in-hand with talented founders and protocol teams on the bleeding-edge of crypto to find and address security vulnerabilities across many systems. You’ll also communicate internally with the team to help improve our investment decisions and secure our asset management operations.

We highly encourage you to kick-off community efforts to mitigate bug classes you identify, write company blog posts about your findings and present your accomplishments to the crypto community during conferences.

This role will report to the CISO of a16z Crypto.

To join our team, you should be excited to:

• Analyze and audit the security of blockchain protocols, decentralized applications and smart contracts
• Analyze the security of our critical asset management infrastructure
• Ensure the adoption of the best security practices in our portfolio companies for blockchain development across design, implementation, testing, release
• Report and communicate vulnerabilities in audited systems to various audiences (investment team, engineering team, portfolio companies)
• Act as a point of contact for third party security auditing partners and assist our portfolio companies in their security audits
• Be a thought-leader in the space for the creation of tooling to mitigate entire bug classes and security standards

Minimum Qualifications

• 6 years of security analysis or cybersecurity experience
• Strong debugging, problem solving and reverse engineering skills
• Great verbal and written communication skills
• Deep understanding of vulnerabilities in the following categories: applied cryptography, concurrency, logic, access control, key management
• Experience in Solidity security analysis
• Understanding of Ethereum and the EVM
• Experience in Javascript, Typescript, Python