Nubank
Software Engineer (Crypto - SV) - US - 2026
Palo Alto
Sponsorship not specifiedDetected 3 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.
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.
- 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.
- Explore how we build technology at Nubank:
- Our recruitment process may involve the use of artificial intelligence-enabled tools, such as automated interview transcription and analysis, to support the evaluation process.
Requirements
- 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.
Nice to have
- 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
Skills
- 🔗 building.nubank.com.br https://building.nubank.com.br/
- 🔗 youtube.com/@building.nubank https://youtube.com/@building.nubank
- Artificial intelligence is not used to make final hiring decisions; all decisions are made by human reviewers.
Benefits
- Opportunity of earning equity at Nu
- Medical Insurance
- Dental and Vision Insurance
- Life Insurance and AD&D
- Extended maternity and paternity leaves
- Nucleo - Our learning platform of courses
- NuLanguage - Our language learning program
- NuCare - Our mental health and wellness assistance program
- Saving Plans - Health Saving Account and Flexible Spending Account
Company info
- 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 fight complexity and empower people, Nu caters to customers' complete financial journey, promoting financial access and advancement with responsible lending and transparency.
This listing is sourced directly from Nubank's careers page and normalized into a canonical job model.