Nu
FinTech
SoftwareEngineer(Crypto-SV)-US-2026
Neural analysis suggests this role is
optimal for Lead candidates.
“Software Engineer (Crypto - SV) - US - 2026 at Nu. Skills: Crypto infrastructure, Blockchain, Security, Compliance. Own cryptographic systems. Own blockchain infrastructure”
Industry & Context.
Adversarial thinking; Root cause analysis
What They're Looking For.
Must Have
Track record building cryptographic systems, Track record building blockchain infrastructure, Track record building secure financial systems, Deep understanding cryptographic primitives, Deep understanding key management, Deep understanding signing protocols, Deep understanding consensus mechanisms, Software engineering fundamentals, Experience designing systems adversarial mindset, Experience threat modeling, Experience security reviews, Experience defensive architecture, Understanding financial regulation crypto, Experience building compliant systems, Demonstrated ability high-stakes decisions, Experience collaborating security teams, Experience collaborating compliance teams, Experience collaborating legal teams
Nice to Have
Experience specific blockchain protocols, Background DeFi protocols, Background custody solutions, Background institutional crypto infrastructure, Experience fintech, Experience payments, Experience financial services, Familiarity HSMs, Familiarity secure enclaves, Familiarity hardware-backed key management, Proficiency AI-assisted development tools
What You'll Do.
Own cryptographic systems
Own blockchain infrastructure
Own on-chain integrations
Design secure crypto infrastructure
Implement secure crypto infrastructure
Design systems assuming attack
Build defensive architectures
Navigate cryptography intersection
Navigate distributed systems intersection
Navigate financial regulation intersection
Lead security reviews
Lead code quality processes
Enforce high bar production readiness
Collaborate security teams
Collaborate compliance teams
Collaborate product teams
Mentor peers crypto engineering
Contribute security-first culture
How You'll Work.
Team & Collaboration
Security teams; Compliance teams; Product teams; Global offices
Full Job Description
ABOUT NU Nu is one of the largest digital financial services platforms in the world, 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 fight complexity and empower people, Nu caters to customers’ complete financial journey, promoting financial access and advancement with responsible lending and transparency. The company is powered by an efficient and scalable business model that combines low cost to serve with growing returns. Nu’s impact has been recognized in multiple awards, including Time 100 Most Influential Companies, Fast Company’s Most Innovative Companies, and Forbes World’s Best Banks. Visit our institutional page: https://www.nu.com/2026-en ABOUT US 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 building secure, compliant crypto infrastructure that will expand financial access for millions of people across Latin America. In crypto, there is no margin for error — a mistake in production can be irreversible, with direct financial exposure. As we open our Silicon Valley engineering hub, we’re looking for a Lead Software Engineer, Crypto who thinks adv
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