Senior Staff Engineer, AI Core

Nubank

Hybrid

Quick summary

Work type
Hybrid
Location
Palo Alto, CA · São Paulo, SP, Brazil
Salary
$345,000–$345,000 / yr
Posted
today

Market check

Salary context

Above market

How this pay compares to similar roles

Similar $215k
This role $345k
$152k most similar roles pay here $366k

This role pays more than 99% of similar roles. Most pay $183,637–$246,150 — the shaded band above. At the midpoint, this role pays about $345k versus about $215k for comparable roles.

Based on 240 similar postings.

Employer

About Nubank

Nubank is one of the world's largest digital financial services companies, offering credit cards, personal loans, savings accounts, and insurance to tens of millions of customers across Brazil, Mexico, and Colombia.

Nubank currently has 11 open roles on FindRole.

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At a glance

TL;DR · Senior Staff Engineer, AI Core

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As a Senior Staff Engineer on Nu’s AI Private Banker team, you will lead the technical architecture and design of a full-stack platform that powers conversational AI, recommendation engines, and personalized financial experiences across mobile and web. Your responsibilities include building Flutter mobile applications and designing distributed backend services to process real-time recommendations and interactions. You’ll collaborate with cross-functional teams to develop phased technical roadmaps and drive engineering best practices through mentorship and architectural guidance. The role requires experience in complex consumer-facing mobile apps, high-throughput backend systems using microservices architecture, and integrating AI/ML models into applications. Proficiency in languages like Go, Java, or Python is preferred, along with familiarity with cloud-native development on platforms such as AWS.

Skills

Flutter Go Python Java AWS Microservices Event-driven design CI/CD Conversational AI Recommendation engines Distributed systems Kafka PostgreSQL Redis GraphQL FinTech Mobile app development

What you'll do

  • Lead technical architecture and design for AI Private Banker's full-stack platform.
  • Build and maintain Flutter mobile apps delivering conversational AI experiences to users.
  • Design and implement distributed backend services for recommendation engines and real-time personalization.
  • Integrate AI/ML model outputs into consumer-facing applications with real-time performance.
  • Drive engineering best practices through code reviews, mentorship, and architectural guidance.

What we're looking for

  • Experience as a Sr. Staff/Staff Engineer shipping complex, large-scale consumer-facing mobile applications.
  • Strong track record of designing and operating high-throughput, fault-tolerant backend services using microservices architecture.
  • Proven ability to take complete technical ownership of major product areas, making informed architectural trade-offs.
  • Experience integrating AI/ML model outputs into user interfaces for real-time performance and reliability.
  • Track record of leading technical initiatives and mentoring engineers on best practices and operational excellence.

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