Staff Software Engineer (Crypto, SV) - US - IC7 - 2026

What this role involves

Nubank is seeking a Staff Software Engineer to lead the technical direction for backend systems connecting its products to blockchain networks. The role involves designing and operating shared capabilities for onchain data, transaction execution, custody, and smart-contract integrations, with a focus on security, reliability, and scalability. The ideal candidate has staff-level experience with distributed systems and production ownership of high-stakes financial or blockchain infrastructure.

Skills this posting asks for

• backend systems
• distributed systems
• blockchain
• crypto
• defi
• custody
• key management
• signing flows
• smart-contract integrations
• transaction processing
• eventual consistency
• high availability
• production operations
• apis
• platform abstractions
• security
• reliability
• observability
• data integrity
• auditability
• testing
• disaster recovery
• production readiness
• architecture

Requirements

• Level: staff

From the employer’s posting

ABOUT NU Nu is the leading digital bank in Latin America, serving 135 million customers across Brazil, Mexico, and Colombia. The company has been leading an industry transformation by leveraging data and proprietary technology to develop innovative products and services. Guided by its mission to…