Lead Crypto Engineer: Secure, Regulatory-Ready Infra

Nubank; Palo Alto (CA); Hybrid; USD 200,000 - 320,000; Full time

Benefits offered by this job

Equity

Medical Insurance

Dental and Vision Insurance

Life Insurance and AD&D

Extended parental leaves

Learning platform

Language learning program

Mental health and wellness program

401K

Savings plans - HSA/FSA

Work-from-home allowance

Relocation assistance

Job summary

Nubank is building a crypto engineering hub in Palo Alto and seeks a Lead Software Engineer, Crypto to own cryptographic systems, key management, signing flows, and on-chain integrations. You will design defensively, think adversarially, and ensure regulatory compliance across distributed systems.

Join a security-first culture, collaborate with security, compliance, and product teams, and mentor peers while advancing crypto infrastructure for millions of users.

Qualifications

• Track record of building cryptographic or secure financial systems in production.
• Deep understanding of cryptographic primitives, key management, signing, and consensus mechanisms.
• Experience with adversarial threat modeling and secure design reviews.
• Familiarity with financial regulation as it applies to crypto and digital assets.
• Ability to make high-stakes engineering decisions prioritizing correctness and security.

Responsibilities

• Own cryptographic systems, protocols, or blockchain infrastructure for your domain, including key management, signing flows, and on-chain integrations.
• Design and implement secure, compliant crypto infrastructure that meets the highest standards for correctness and reliability.
• Think adversarially: design systems assuming they will be attacked, conduct threat modeling, and build defensive architectures.
• Navigate the intersection of cryptography, distributed systems, and financial regulation, ensuring all systems meet compliance requirements.
• Lead security reviews and code quality processes for crypto-related systems, enforcing a high bar for production readiness.
• Collaborate with security, compliance, and product teams to ensure crypto features are both safe and user-friendly.
• Mentor peers on crypto engineering best practices and contribute to the team's security-first engineering culture.

Skills

Go

Rust

Java

Python

Cryptographic systems

Security engineering

Threat modeling

Tools

HSMs

Secure enclaves

Job description

Nubank is building a crypto engineering hub in Palo Alto and seeks a Lead Software Engineer, Crypto to own cryptographic systems, key management, signing flows, and on-chain integrations. You will design defensively, think adversarially, and ensure regulatory compliance across distributed systems.

Join a security-first culture, collaborate with security, compliance, and product teams, and mentor peers while advancing crypto infrastructure for millions of users.