Coinbase
Staff
Lead Tier-0 cryptographic infrastructure securing 99% of Coinbase's assets under custody
This is a staff-level security engineering role owning Coinbase's Tier-0 Multi-Party Computation (MPC) engine from its Israel office. The interview will probe deep applied cryptography and HSM/KMS expertise, distributed-systems track record at 8+ years of experience, and the ability to set multi-quarter technical strategy for high-stakes, zero-trust infrastructure.
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What this interview tests
- Applied cryptography and MPC protocol design
- Key Management Systems (KMS) / Hardware Security Modules (HSMs)
- Distributed systems at Tier-0 criticality (resilience, low latency, zero single points of failure)
- Golang-heavy systems engineering (or Java/C++/Rust)
- Multi-quarter technical strategy under regulatory ambiguity
- Cross-functional alignment with Security, Product, and Policy
Common question themes
Describe a cryptographic protocol you implemented safely in a zero-trust environment
How would you design a high-availability MPC-based custody system
Tell me about eliminating a single point of failure in critical infrastructure
How do you translate ambiguous regulatory requirements into engineering solutions
Walk through your experience mentoring senior engineers and driving code review rigor
How have you built cross-functional alignment for a risky, ambitious initiative
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