Senior Blockchain Security Engineer

Security is a primary competency at Coinbase and the Security Team keeps a watchful eye over every aspect of it. Every day we go to battle against some of the most sophisticated attackers in the world to protect billions of dollars worth of digital assets and ensure that our customers and employees can enjoy a safe trusted experience. As Coinbase scales globally our team is scaling along with it using a blend of tooling automation and strategic team growth to ensure that we’re well-equipped to protect the next billion users of crypto.

Blockchain Security (BlockSec) team’s mission is to secure funds and data from protocols to wallets. Coinbase has a unique opportunity: enabling our customers to easily and securely interface with blockchains a.k.a. digital asset networks a.k.a. cryptocurrencies.  Blockchains are a cutting edge technology with many unique security considerations for any entity that supports interaction with them.  Understanding those unique considerations requires deep expertise in blockchains and the ability to maintain that expertise over time.

What you’ll be doing (ie. job duties): To be completed by all business teams except Eng.

• Identify gaps in our Crypto-Security infrastructure and drive cross-function efforts to address them
• Perform security assessments framework development and threat modeling of assets including various blockchain protocols smart contracts and other distributed ledger tech
• Partner with software engineering teams to advise on code and architecture for internal smart contract development
• Partner with internal tooling teams to drive the roadmap and vision for internal Coinbase blockchain security tools
• Identify automation opportunities in our tooling and processes deliver a Proof of Concept and write detail technical requirements
• Investigate impactful changes to the space blockchain upgrades and novel innovations such as zero-knowledge proofs and bleeding-edge blockchain protocols
• Publish blogs and give talks (internal and external) on newfound vulnerabilities incident investigations unique integration risks and related topics

What we look for in you (ie. job requirements): To be completed by all business teams except Eng. 

• Strong understanding of blockchains (particularly EVM chains) and highly “crypto forward”
• 4+ years of experience in security engineering with significant focus on blockchain distributed systems or cryptographic infrastructure security
• Extensive experience in architecture and threat modeling of security-critical backend crypto systems 
• Expertise in Application Security and cryptography including applied knowledge of cryptographic primitives used in blockchain protocols (signing schemes hash functions zero-knowledge proofs MPC)
• Familiar with all the fundamentals of onchain activity – blockchain explorers funds tracing bridging DEXs NFTs smart contracts
• Familiar with recent innovations such as restaking and the various EIPs currently being considered
• Ability to provide leadership and mentorship to coworkers
• Experience in a highly cross-functional role and/or leading a team
• Excellence in clear direct and kind communication with technical and non-technical stakeholders including the ability to translate complex security risks into actionable guidance for leadership
• Experience with using AI/agentic tooling (Claude Code Cursor GPT Codex etc.)
• Demonstrates the ability to responsibly use generative AI tools and copilots (e.g. LibreChat Gemini Glean) in daily workflows continuously learn as tools evolve and apply human-in-the-loop practices to deliver business-ready outputs and drive measurable improvements in efficiency cost and quality.

Nice to haves:

• Knowledge of security architecture of non-EVM based blockchains
• Deep understanding of cryptography such as zk-SNARKs FHE and MPC
• Experience in at least one of: MongoDB Snowflake Databricks Dune

Position ID:  P76182

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What We Do

Crypto creates economic freedom by ensuring that people can participate fairly in the economy and Coinbase (NASDAQ: COIN) is on a mission to increase economic freedom for more than 1 billion people. We’re updating the century-old financial system by providing a trusted platform that makes it easy for people and institutions to engage with crypto assets including trading staking safekeeping spending and fast free global transfers. We also provide critical infrastructure for onchain activity and support builders who share our vision that onchain is the new online. And together with the crypto community we advocate for responsible rules to make the benefits of crypto available around the world.

Why Work With Us

We have the opportunity to accelerate the pace of innovation in the world by building an open financial system. Our vision is to create more economic freedom in the world to help people control their own wealth start companies have financial privacy and participate in the global economy. And to get us there we focus build and move as a team.

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