Staff engineer building reusable AI and credit card launch platforms for Nubank, a Latin American digital bank. Guiding architecture and regulated-market expansion across multiple squads.
Responsibilities
Create reusable systems that reduce the time and effort required to launch credit card products in new markets
Translate regulatory requirements and market capabilities into destination architecture and configurable product behavior
Diagnose engineering friction, establish productivity baselines, run experiments, measure impact and scale effective AI practices
Develop context engineering foundations, domain skills and repository context so AI agents can support credit card configuration and international launches
Establish human-in-the-loop controls, evaluation, monitoring and auditability for AI used in regulated financial workflows
Lead technical architecture across multiple squads, including Collateral Lines, Cashback and adjacent credit card platforms
Align Product, Engineering, Business, Legal, Compliance and platform teams around technical direction, dependencies and launch priorities
Prototype, code and contribute directly when needed while adapting to changing priorities and market opportunities
Requirements
Software engineering experience, with demonstrated Staff-level scope across multiple teams and domains
Track record of designing and shipping reusable platform or systemic solutions adopted by other teams
Current, hands-on experience with agentic AI, including coding agents, tools, skills, context engineering or RAG in production or near-production environments
Strong backend and distributed-systems depth
Ability to operate under deep ambiguity and structure undefined problems
Ability to define baselines, design experiments, measure outcomes and stop initiatives that do not create value
Strong technical leadership and influence without authority across Engineering, Product, Business, Legal and Compliance stakeholders
Ability to communicate clearly in written and spoken English
Willingness to work hands-on and adapt quickly to changing priorities
Experience with multi-country or internationalized product platforms, regulatory-driven variation, multi-currency or installments (nice to have)
Experience in banking, credit cards, financial services or another regulated domain (nice to have)
Experience with configuration-driven product architecture (nice to have)
Experience with Clojure, functional programming or large-scale microservice architectures (nice to have)
Experience mentoring senior engineers and running technical enablement across an organization (nice to have)
Ability to work onsite two to three days per week
Legal authorization to work in the country where the position is located
Benefits
Health Insurance
Life Insurance
Pension Plan
Extended maternity and paternity leaves
Nucleo – our learning platform of courses
NuLanguage – our language learning program
NuCare – our mental health and wellness assistance program
Vacations
Opportunity of earning equity at Nu
Medical Insurance
Dental and Vision Insurance
Life Insurance and AD&D
401(k)
Health Savings Account and Flexible Spending Account
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