About this role
Nium is the global infrastructure company powering real-time cross-border payments. Founded to deliver the payments infrastructure of tomorrow, today, we are building a programmable, borderless, and compliant money-movement layer that powers transactions between people, businesses, and intelligent systems — enabling banks, fintechs, payroll providers, travel platforms, marketplaces, and other global enterprises to move money instantly, anywhere in the world. Co-headquartered in San Francisco and Singapore, with offices in 14 markets and team members across 20+ countries, we take pride in a culture anchored in Keeping It Simple, Making It Better, and Winning Together. 2025 was the strongest year in our 10-year history, with record revenue, record transaction volumes, and EBITDA profitability — and we are now entering one of the most dynamic chapters in our journey. We believe the best work happens face-to-face, and we operate a hybrid model with three in-office days per week to strengthen collaboration, alignment, and innovation. We move over $50B annually across a network that spans 190+ countries, 100 currencies, and 100 real-time corridors. We power fast payouts to accounts, wallets, and cards; enable local collections in 35 markets; and support card issuance in 34 countries — all backed by licenses across 40+ markets. With over $300M raised to date, Nium offers ambitious builders the opportunity to shape the future of global money movement — at scale. About the Role As the Sr. Principal - Cyber Security Architect, you will be responsible for defining, governing, and evolving the application security architecture across the organization’s technology landscape. This role provides strategic and hands-on leadership to ensure that applications—built on modern microservices architectures and deployed in AWS—are secure by design, resilient to threats, and aligned with business growth, regulatory expectations, and partner integration needs. The role acts as a trusted advisor to engineering, product, platform, and integration teams, embedding security into application design decisions, authentication models, and client/partner integrations from concept through production.