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$142,450–$216,250.
Based on 240 similar postings.
Employer
About Nubank
Nubank is one of the world's largest digital financial services companies, offering credit cards, personal loans, savings accounts, and insurance to tens of millions of customers across Brazil, Mexico, and Colombia.
As a Lead Software Engineer in Crypto at Nu’s Silicon Valley hub, you will join a focused team dedicated to building secure and compliant crypto infrastructure that expands financial access across Latin America. Your daily responsibilities include owning cryptographic systems such as key management, signing flows, and on-chain integrations while ensuring they meet the highest standards for correctness and regulatory compliance. You’ll collaborate with security, compliance, and product teams globally, leading security reviews and mentoring peers in best practices. The role requires expertise in cryptography, distributed systems, and financial regulation, along with experience in languages like Go, Rust, or Python. This position demands a strong adversarial mindset to design defensively against potential attacks and ensure the safety of financial systems at scale.
Java
Go
C++
Python
CI/CD
HSM
Post-Quantum Cryptography
Automated Testing Frameworks
Unit Testing
Integration Testing
End-to-End Testing
Documentation
SDK Development