Senior/Staff Data Scientist

Nu is the world’s largest digital banking platform outside of Asia, serving over 105 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 Companies, Fast Company’s Most Innovative Companies, and Forbes World’s Best Banks. Learn more: https://international.nubank.com.br/careers/

Our goal is to empower our clients to take control of their financial lives. The Data Science team develops models and leverages its expertise to deliver the best experiences and products, using statistics, artificial intelligence, and a lot of creativity to predict our clients' behavior. Our team strives to achieve cutting-edge model development techniques, from statistical heuristics to deep learning.

The principles of the Data Science team are:

• We care about the person behind the data.
• Diverse sets do not overfit.
• We reinforce our learning.
• We trust our confidence interval.
• We pursue the global maximum.
• We share the same objective function.

• Transform complex problems into high-impact projects and deliver them autonomously or by technically leading a team;
• Develop innovative solutions for projects with high ambiguity;
• Scale your technical knowledge to those around you;
• Communicate with various departments and interact with senior leadership;
• Gain deep understanding of the business, technologies, and architecture of Nubank to make informed decisions.

• Experience in building modern machine learning models, with a deep understanding of their functionality;
• Experience with machine learning models in production, leading investigations and diagnostics (e.g., performance degradation, production instability);
• Experience in integrating models into data pipelines and decision-making infrastructure (e.g., using Scala and Spark);
• Curiosity to find ways to improve on what has already been done;
• Strong knowledge in collecting and cleaning data for analysis and modeling;
• Excellent ability to interact with multidisciplinary teams.

• Remote work, with quarterly trips to Sao Paulo to build relationships with coworkers. 
• Top Tier Medical Insurance
• Top Tier Dental and Vision Insurance
• 20 days time off, 14 company holidays, and great culture that emphasizes work life balance. 
• 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
• Extended maternity and paternity leaves 
• 401K
• Saving Plans - Health Saving Account and Flexible Spending Account