Nubank

Software Engineer (Crypto - SV) - US - 2026

USA, Palo Alto

Sponsorship not specifiedDetected 23 days ago

PythonJavaGoRustDistributed SystemsCybersecurityComplianceDesign Systems

About the role

In crypto, there is no margin for error - a mistake in production can be irreversible, with direct financial exposure.
You'll be part of a focused crypto team in Palo Alto, collaborating with security, compliance, and product teams across our global offices.
We move deliberately, with a high bar for security reviews and code quality.

NU), we combine proprietary technology, data intelligence, and an efficient operating model to deliver financial products that are simple, accessible, and human.
🔗 building.nubank.com.br
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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.
Our crypto engineering culture values correctness above all - we design systems assuming they will be attacked, and build accordingly.
In this role, you'll own cryptographic systems, protocols, or blockchain infrastructure for your domain - key management, signing flows, consensus mechanisms, and on-chain integrations.
Think adversarially: design systems assuming they will be attacked, conduct threat modeling, and build defensive architectures.
Collaborate with security, compliance, and product teams to ensure crypto features are both safe and user-friendly.
Experience collaborating with security, compliance, and legal teams on system design and review processes.

Strong software engineering fundamentals with experience in languages used in crypto infrastructure (e.g., Go, Rust, Java, Python).
Demonstrated ability to make high-stakes engineering decisions where correctness and security are non-negotiable.

Experience with specific blockchain protocols (e.g., Ethereum, Bitcoin, Solana) and their integration patterns.
Background in DeFi protocols, custody solutions, or institutional crypto infrastructure.
Experience in fintech, payments, or other financial services environments with strict regulatory requirements.
Familiarity with HSMs, secure enclaves, and hardware-backed key management systems.
Proficiency with AI-assisted development tools and a thoughtful approach to leveraging AI in security-critical engineering.
Palo Alto, United States
Work-from-home Allowance
Relocation Assistance Package, if applicable

Nu is one of the largest digital financial platforms in the world, with more than 127 million customers across Brazil, Mexico, and Colombia. Guided by our mission to fight complexity and empower people, we are redefining financial services in Latin America and this is still just the beginning of the purple future we're building.
Listed on the New York Stock Exchange (NYSE: NU), we combine proprietary technology, data intelligence, and an efficient operating model to deliver financial products that are simple, accessible, and human.
Our impact has been recognized by global rankings such as Time 100 Companies, Fast Company's Most Innovative Companies, and Forbes World's Best Bank. Visit our institutional page https://international.nubank.com.br/careers/
About the Role
Nu is one of the largest digital financial platforms in the world, with more than 127 million customers across Brazil, Mexico, and Colombia.
Guided by our mission to fight complexity and empower people, we are redefining financial services in Latin America and this is still just the beginning of the purple future we're building.
Our impact has been recognized by global rankings such as Time 100 Companies, Fast Company's Most Innovative Companies, and Forbes World's Best Bank.
Visit our institutional page https://international.nubank.com.br/careers/
We are looking for a person who has

This listing is sourced directly from Nubank's careers page and normalized into a canonical job model.