Senior Staff Software Engineer Remittance

Nu serves more than 140 million customers guided by a mission to fight complexity and empower people. The company has been leading an industry transformation through innovative products and human-centered services.

Proprietary technology and data at scale power Nus digital platform built to promote financial access advancement and transparency. Its business model thrives on customer love and lower costs feeding a flywheel of growth and profitability.

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About the role
As Nubank scales its footprint globally seamless international money movement is a cornerstone of our growth. We are looking for a Senior Staff Software Engineer to own the overarching architecture for Nubanks global Remittance and Cross-Border Payment this role you will sit at the strategic intersection of high-scale distributed backend systems foreign exchange (FX) engines international payment rails and global compliance platforms. You wont just maintain existing pipelines you will architect the foundation that enables instant low-cost multi-currency money movement for millions of users across mission: maintain and grow a resilient multi-country remittance engine that abstracts away complex global payment rails and regulatory requirements into simple reliable platform capabilities.

What You Will Own & Build

• Core Remittance Platform Architecture: Design and evolve the long-term technical vision for multi-currency money movement FX rate locking payout routing and ledgering across international corridors.

• Global Rail Integration Strategy: Architect plug-and-play integrations with global payout partners banking networks and local clearing rails (e.g. PIX SPEI FedNow SWIFT) with ultra-high reliability and low latencies.

• Resilient Ledgering & FX Management: Build transaction execution engines that guarantee exact-once delivery deterministic ledger balancing real-time liquidity management and auditability under massive concurrency.

• Compliance & Risk System Abstractions: Partner with AML KYC Sanctions Screening and Regulatory Engineering teams to embed real-time screening seamlessly into payment paths without degrading user experience or throughput.

• Technical RFC Leadership: Drive cross-organizational consensus on high-impact architectural decisions through detailed RFCs design reviews and technical documentation.

• Engineering Mentorship: Multiply organizational velocity by mentoring senior engineers across payments squads in distributed systems principles resilience engineering and payment domain knowledge.

What We Are Looking For

• Tenure in Backend Software Engineering: Proven track record of designing operating and scaling highly available mission-critical backend distributed platforms in demanding environments (e.g. fintech payments banking or cloud platform infrastructure).

• Deep Payments Domain Expertise: Hands-on experience building remittance systems cross-border payments multi-currency ledger engines FX execution services or integrations with international payment clearing systems.

• Distributed Systems Mastery: High fluency with event-driven architectures transactional consistency distributed sagas/orchestration double-entry accounting engines and high-concurrency microservices.

• Platform Mindset: Experience designing clean developer-friendly APIs SDKs and platform boundaries that enable product teams to quickly launch consumer-facing remittance journeys.

• Cross-Functional Influence: Proven ability to act as a horizontal technical leader writing comprehensive design documents (RFCs) guiding executive leadership on technical trade-offs and building consensus across geographically distributed teams.

• Language & Location: Fluent English is required for international engineering collaboration. Portuguese or Spanish is a plus. Roles are open in Brazil (hybrid model) or key US hubs.

Why Join Us

You will join a world-class engineering organization that values technical depth architectural clarity and high execution speed. You will own the technology powering one of the most strategic growth vectors at Nubank building cross-border payment infrastructure that unlocks financial freedom for tens of millions of people.

Work model

Hybrid / On-Site

Office requirement

2 days per week at the office.

• Chance of earning equity at Nubank

• NuCare Psychological Financial and Legal Assistance Program

• Life Insurance

• Medical Plan

• NuLanguage Language Course Program

• Nucleo - Our learning platform of courses

• Extended Parental Leave

• Relocation Assistance Package if applicable

Our recruitment process may involve the use of artificial intelligenceenabled tools such as automated interview transcription and analysis to support the evaluation process. Artificial intelligence is not used to make final hiring decisions; all decisions are made by human reviewers.

To maintain a consistent and fair process for every candidate Nu does not provide individualized technical feedback. See how our policy works here

Required Experience:

Staff IC