Lead Software Engineer, AI Agents & Orchestration

About the role

At Nubank, AI is not a "bolt on" feature. It is existential to our next phase of growth. We are transforming into an AI native company, where intelligent systems don't just support our products; they define them. As a Lead Software Engineer in AI Agents & Orchestration, you will be at the heart of this metamorphosis. You will lead the technical direction for embedding Generative AI and LLMs into the lives of over 130 million customers. This role isn't about working in an isolated lab; it's about building production grade, agentic workflows and RAG pipelines that scale across multiple markets.

Responsibilities

• Lead the AI Architecture: Define the technical roadmap for AI native applications, ensuring our LLM integrations are scalable, cost effective, and highly reliable.
• Build Agentic Workflows: Design and implement complex agentic systems and RAG patterns that provide hyper-personalized financial experiences.
• Drive Engineering Excellence: Set the "canonical" standards for AI development at Nu, promoting reusable components.
• Collaborate Across Surfaces: Partner with Product, Design, and Data Science to embed LLM capabilities across mobile, web, and internal operations tools.
• Optimize for Quality: Establish rigorous evaluation (QA) and monitoring practices for AI outputs to ensure safety, accuracy, and human in the loop integrity.
• Mentor and Scale: Actively participate in hiring and mentoring, fostering a high performance culture within our internal AI Academy and technical guilds.
• Strategic Decision Making: Balance short term delivery with medium term platform stability, making critical tradeoffs on model selection and system complexity.

Qualifications

• Required: Technical Leadership, AI First Mindset, Full Stack Thinking, Complex Problem Solving, Strategic Acumen.
• Optional: Ecosystem Experience, Modern Stack, Domain Expertise, Global Scale.