AI role · Open offer

LLM Engineer — Nubank vagas São Paulo

Nubank

Full-time
Senior
Generative AI
Hybrid
São Paulo, SP, Brazil · Hybrid
São Paulo, Brazil
BRL 28k–42k/mo + equity

This listing is optimized for AI-native talent: clear skills and tools so candidates know if they fit before they apply—and so you spend less time screening mismatches.

4 skills3 tools

At a glance

How you'll work, where, and key listing dates.

Employment: Full-time
Workplace: Hybrid
Location: São Paulo, SP, Brazil · Hybrid
Compensation: BRL 28k–42k/mo + equity
Experience level: Senior
Team: Generative AI
Benefits & perks

About this role

What the team is looking for and how this position fits.

Nubank is hiring a Senior LLM Engineer — Nubank vagas São Paulo on the Generative AI team (Hybrid · São Paulo, Brazil). This is a hands-on role in LLM & generative AI—not a generic “AI enthusiast” post.

You will own LLM features, retrieval, agents, and evaluation end to end: problem framing, offline evaluation, safe rollout, and iteration from production signals. Success is measured with clear metrics (quality, latency, cost, or business KPIs)—not slide decks alone.

Nubank — Nubank vagas, vagas Nubank, and Nubank careers for GenAI in São Paulo.

LLM Engineer (hybrid SP): Portuguese/Spanish GenAI for credit, care, and product copilots.

Missions

Ship GenAI features with multilingual evals and guardrails.
Partner with risk and product on measurable lift.

Stack & environment

Python, LangChain, AWS, Kubernetes.

What we look for

LLM product experience; eligible to work in Brazil.

Skills we're hiring for

What each capability means for this role—not a keyword checklist.

Python
Production Python for data pipelines, model code, APIs, and automated tests—not notebook-only workflows.
LangChain
Orchestrating LLM chains, tools, and retrieval with observable steps and failure handling.
NLP

Tools & stack

Platforms and products mentioned for this role (APIs, IDEs, vector DBs, CRMs, design tools, etc.).

KubernetesTool
Deploying and scaling model services with health checks, autoscaling, and rollout discipline.
AWSTool
Regular use of AWS in the LLM & generative AI stack—configuration, debugging, and team conventions.

You're a strong fit if…

Tailored to this listing—use it as a self-check before you apply.

You can show evidence in your application: Fintech GenAI with Portuguese/Spanish evals and guardrails.
Several of these show up in recent shipped work—not only on your CV: Python, LangChain, NLP, Machine Learning, and Kubernetes.
You have owned LLM features, retrieval, agents, and evaluation in production: debugging live issues, running postmortems, and iterating from real user or business signals.
You are comfortable with the hybrid rhythm (Hybrid · São Paulo, Brazil)—onsite collaboration when it matters, deep work when remote.
You explain trade-offs (quality, cost, latency, safety) in plain language—with numbers or examples, not buzzwords.
You read the full listing (comp: BRL 28k–42k/mo + equity, benefits in At a glance) and your expectations align.

Apply

Candidate accounts only: add your headline and bio on , and optionally a CV link or PDF so recruiters see your full résumé. Then write a short pitch below—applications use your login email.

What the employer asked for

Fintech GenAI with Portuguese/Spanish evals and guardrails.

Register, add a headline and bio, then you can attach a CV link or PDF on My account before you apply. That keeps applications tied to your profile and makes it easier for employers to review your background.

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