Staff Software Engineer: Crypto, Blockchain & Security

Auth21; Palo Alto (CA); On-site; USD 180,000 - 280,000; Full time

Job summary

Auth21 is seeking a Staff-level leader to drive the development of customer-facing crypto products in Palo Alto, integrating blockchain protocols with secure custody and transaction systems. You will partner with business stakeholders to shape product strategy and mentor senior engineers to elevate technical judgment.

You will own system design, security considerations, and production readiness for scalable fintech infrastructure, translating complex crypto protocols into practical product

Qualifications

• Requires track record of Staff-level impact in building scalable distributed systems and high-stakes financial infrastructure.
• Deep expertise in security-sensitive architecture and translating complex protocols into product features.

Responsibilities

• Lead the development of customer-facing crypto products by integrating blockchain protocols with secure custody and transaction systems.
• Partner with business stakeholders to define product strategy and mentor senior engineers to improve technical judgment.

Skills

Blockchain protocols

Distributed systems

Smart contracts

System design

Security architecture

API design

Transaction processing

Custody integrations

Threat modeling

Production operations

Mentorship

Technical leadership

Job description

Auth21 is seeking a Staff-level leader to drive the development of customer-facing crypto products in Palo Alto, integrating blockchain protocols with secure custody and transaction systems. You will partner with business stakeholders to shape product strategy and mentor senior engineers to elevate technical judgment.

You will own system design, security considerations, and production readiness for scalable fintech infrastructure, translating complex crypto protocols into practical product