Staff Machine Learning Engineer

Nubank·Palo Alto·20 июля

Staff Machine Learning Engineer

🏢 ОфисSeniorПолная занятость

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Наша компания

Nu is the leading digital bank in Latin America, serving 135 million customers across Brazil, Mexico, and Colombia. The company has been leading an industry transformation by leveraging data and proprietary technology to develop innovative products and services. Guided by its mission to fight complexity and empower people, Nu caters to customers’ complete financial journey, promoting financial access and advancement with responsible lending and transparency. The company is powered by an efficient and scalable business model that combines low cost to serve with growing returns. Nu’s impact has been recognized in multiple awards, including Time 100 Most Influential Companies, Fast Company’s Most Innovative Companies, and Forbes World’s Best Banks.

О роли

At AI Core, we are scaling the impact of our AI initiatives to become the primary driver of Nubank’s most critical decision systems. We are seeking Machine Learning Engineers to lead high-impact research projects that bridge the gap between state-of-the-art AI and production-grade financial systems. You will be responsible for solving complex, ambiguous problems using Deep Learning and Foundation Models, ensuring our architectures are scalable, efficient, and driving measurable business results

Чем предстоит заниматься

As an Machine Learning Engineer (MLE), you’re expected to

1. Research Execution & Technical Leadership (Complexity & Autonomy)

Lead and execute complex applied research initiatives independently, focusing on building and optimizing architectures (e.g., Transformers, GNNs) that can be deployed across critical use cases like Credit, RecSys, GenAI, and real-time inference

Address difficult and ambiguous modeling problems that require coordination across various stakeholders (Data, Infra, Product), delivering innovative solutions with a clear focus on medium-term impact

Bridge the gap between research and production by designing architectures that respect MLOps constraints, ensuring models are optimized for latency, interpretability, and cost-efficiency

Наши требования

Professional Experience: 5-7+ years in applied AI/ML, with a proven track record of delivering research-driven systems into production environments

Technical Mastery

Deep expertise in Deep Learning architectures (Transformers, Multimodal, or GNNs)

Strong coding skills in Python and proficiency with frameworks like PyTorch, JAX, or TensorFlow

Solid understanding of MLOps and the constraints of deploying models at scale

Problem Solving: Sophisticated skills in ML problem formulation and the ability to navigate uncertainty when data is messy or unavailable

Communication: Ability to communicate complex technical concepts to both technical peers and cross-functional stakeholders, ensuring alignment and buy-in

Analytical Capacity: Experience with large-scale experimentation and A/B testing to validate research hypotheses

Мы предлагаем

Opportunity of earning equity at Nu

Medical Insurance

Dental and Vision Insurance

Life Insurance and AD&D

Extended maternity and paternity leaves

Nucleo - Our learning platform of courses

NuLanguage - Our language learning program

NuCare - Our mental health and wellness assistance program

401K

Saving Plans - Health Saving Account and Flexible Spending Account

Work-from-home Allowance

Relocation Assistance Package, if applicable

Role Location

Palo Alto, California

Hybrid 2-3 times/week: Our hybrid work model brings us to the office at least twice a week, on strategic days designed to maximize team connection and collaboration

Our recruitment process may involve the use of artificial intelligence–enabled tools, such as automated interview transcription and analysis, to support the evaluation process. Artificial intelligence is not used to make final hiring decisions; all decisions are made by human reviewers

Дополнительно

Develop and deliver innovative solutions that address project-level challenges, focusing on pushing the latest platform and AI research improvements into downstream production models

Actively participate in cross-functional collaborations, ensuring that research outputs are seamlessly integrated into Nubank's decision-making engines

Establish technical standards within the AI Core team for experimentation, model evaluation, and code quality, inspiring peers to raise their performance

Serve as a technical mentor for senior engineers and researchers, providing guidance on deep learning fundamentals, problem formulation, and research methodology

Actively contribute to the function's growth by participating in mandatory activities like hiring (interview panels) and leading internal task forces to improve our ML lifecycle

Contribute to thought leadership by participating in research collaborations or internal papers that align with Nubank’s strategic goals

Total compensation includes base salary, RSUs and benefits. Base salary range: $230k - $345k

Nubank

Palo Alto

ГрейдSenior

ЗанятостьПолная занятость

РегионСША

ФорматОфис

ИсточникСкрыто

Опубликовано20 июля

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