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Staff Software Engineer, AI Agents

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Staff Software Engineer, AI Agents in Others

  • São Paulo, Brazil

Responsibilities

  • Design the orchestration model for composing, routing, scheduling, handing off, and operating AI agents across product surfaces and services.
  • Create and evolve production agents for People workflows, including tools, contracts, identity, scope, failure modes, and regeneration strategies.
  • Establish engineering quality standards covering evaluations, testing, observability, cost and latency controls, privacy, authorization, versioning, CI gates, and incident readiness.
  • Build reliable infrastructure to process data from internal platforms including Slack, Google Docs, and Confluence.
  • Define architecture, review, skills, and contract standards for engineers and coding agents.
  • Partner with Product, People, Data, Security, Compliance, and platform teams on technical and business decisions.
  • Mentor engineers and raise the technical bar across a growing cross-functional team.
  • Support safe adoption of AI-powered products across Nubank.

Requirements

  • Proven Staff-level technical leadership delivering complex production software systems.
  • Hands-on experience with production agent or LLM systems, including orchestration, tool use, structured outputs, and real-world failure modes.
  • Strong backend and systems engineering experience across multiple services, contracts, authentication, authorization, and data flows.
  • Experience with evaluations, testing, monitoring, incident response, and continuous improvement.
  • Experience designing systems involving sensitive data, privacy constraints, and human-in-the-loop product decisions.
  • Ability to work through ambiguity, make architectural trade-offs, and influence senior stakeholders.
  • Strong written and verbal communication skills in English.
  • Willingness to work in a hybrid model from an approved Nubank office location.
  • Experience with People, HR, talent, performance, or learning products is preferred.
  • Experience building AI systems in regulated or privacy-sensitive environments is preferred.
  • Familiarity with agent evaluation frameworks, prompt and context management, tool contracts, or multi-agent architectures is preferred.
  • Experience working across international teams and multiple time zones is preferred.

Benefits

  • Health insurance, life insurance, extended maternity and paternity leaves, vacations, work-from-home allowance, and potential equity earnings at Nu.
  • Access to Nucleo learning courses, NuLanguage language learning, and NuCare mental health and wellness assistance.
  • Hybrid work model requiring office attendance 2–3 times per week.
  • Role may be based in an approved Nubank hub in Brazil, the United States, or Canada; the specific office location is confirmed during the process.
  • Benefits vary by country and local regulations, with eligibility details shared during the process.

Nubank

Nubank is a digital banking platform for consumers and small businesses in Latin America, offering a no-fee credit card, accounts, payments, lending, and investments through Nu Asset Management. It monetizes via interchange, interest, and product fees within its app-based ecosystem. Founded in 20...

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