Principal Software Engineer - Credit Card

Opportunity

We are hiring a

Principal Engineer to drive architectural consistency and technical excellence for Nubank’s Global Credit Card division—our largest business unit . Y ou will operate across core platforms and product areas to ensure we are building globally optimal solutions . This is a high-influence leadership role where you will align technical strategy with business General Managers to maximize the impact of our platform investments .

2026's Vision (and how this role contributes)

In 2026, the Credit Card division will focus on maturing our core platform to support massive scale while maintaining rapid product innovation . This role is the "downward force" that identifies efficient architectural patterns and pushes them across the organization . By sitting across multiple business areas, you will prevent technical silos and ensure that every engineering investment reinforces a unified, scalable global architecture .

Mission

Design and operationalize a horizontal technical strategy for the Credit Card division so that:

Architectural Fragmentation is Minimized: Global patterns are identified and disseminated, preventing teams from solving the same problems in isolation .

Platform Investments are Maximized: High-leverage solutions are pushed "down the stack" to provide efficiency for all product consumers .

Business & Tech are Seamlessly Aligned: You act as a direct partner to General Managers, translating complex technical trade-offs into business-centric outcomes.

Core Responsibilities

Drive Cross-Platform Impact: Identify opportunities for globally optimal outcomes across the division’s core platforms and consumer products.

Architectural Pattern Leadership: Monitor diverse projects to find commonalities; build and disseminate architectural patterns that elevate the entire organization.

Strategic Mission Strategizing: Maintain the flexibility to jump into urgent, high-stakes technical investigations or strategic missions as needed.

Business Stakeholder Partnership: Work independently with General Managers to align technical roadmaps with commercial goals .

Technical Mentorship & Culture: Act as a peer to engineering leadership, raising the bar and mentoring staff engineers on cross-functional thinking .

Horizontal Execution: Unlike a "narrow and deep" expert, you will maintain a wide orientation to ensure end-to-end technical health across the division .

Key Business & Engineering Metrics You Will Influence

Global Efficiency: Reduction in redundant work across sub-divisions .

Platform Adoption: Speed and depth of downward-pushed architectural solutions across product teams .

Engineering Stability: Reduction in incidents caused by fragmented or inconsistent architectural patterns .

Business Alignment: Successful delivery of strategic projects and high-stakes technical investigations.

Challenges and Opportunities (What You’ll Own)

Bridging the Gap: You will solve the problem of siloed excellence by ensuring that the best solutions from one team become the standard for all .

Influential Agency: You will have the mandate to push for global efficiency.

What You’ll Find in the Team

High‑calibre engineers, including staff engineers and experienced engineering managers.

Complex, high‑impact problems at scale: large merchant integrations, real‑time decisioning, strict SLOs and multi‑partner dependencies.

Unprecedented Scope: The ability to influence the technical direction of Nubank’s most critical and high-volume division .

What You’ll Navigate

Complexity of Scale: Balancing the immediate needs of specific product areas with the long-term goal of global platform efficiency .

Communication Switching: Moving between deep technical RFCs with engineers and high-level strategy sessions with General Managers .

Geographic Flexibility: Working across teams in the US and Brazil, requiring strong remote collaboration and cultural adaptability .