Senior/Staff Data Scientist

1 Month ago • All levels • Data Analysis

Job Summary

Job Description

Nu, a leading digital banking platform serving over 105 million customers, seeks a Senior/Staff Data Scientist. This role involves transforming complex problems into high-impact projects, developing innovative solutions for ambiguous challenges, and scaling technical knowledge. The Data Scientist will collaborate with various departments and senior leadership, gaining a deep understanding of Nubank's business, technologies, and architecture to drive informed decisions. The Data Science team focuses on empowering clients financially by developing models using statistics and artificial intelligence to predict client behavior, striving for cutting-edge techniques from statistical heuristics to deep learning. The team values caring about individuals, diverse datasets, continuous learning, trusting confidence intervals, pursuing global maximums, and shared objective functions.
Must have:
  • Experience building modern machine learning models
  • Experience with ML models in production
  • Experience integrating models into data pipelines
  • Curiosity for improvement
  • Strong data collection and cleaning skills
  • Ability to interact with multidisciplinary teams
Perks:
  • Remote work
  • Quarterly trips to Sao Paulo
  • Top Tier Medical Insurance
  • Top Tier Dental and Vision Insurance
  • 20 days time off
  • 14 company holidays
  • Work-life balance
  • Life Insurance and AD&D
  • Extended maternity and paternity leaves
  • Learning platform access (Nucleo)
  • Language learning program (NuLanguage)
  • Mental health and wellness assistance (NuCare)
  • 401K
  • Saving Plans (Health Saving Account, Flexible Spending Account)

Job Details

About Nu

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/


About the Team

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.

As a Data Scientist, you’re expected to:

  • 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.

We are looking for a person who has

  • 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.

Our Benefits

  • 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

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About The Company

Nubank was born in 2013 with the mission to fight against the complexity of the financial market to help our customers regain control of their financial lives. We have spent 11 years dedicated to bringing very simple ideas to places no one has ever taken them. For us, past success does not guarantee the future, which is why every day is “Day 1.” Being part of Nubank is embarking on a long-term journey where we know each challenge sparks creativity and innovation, where obstacles become opportunities to go a little further. Recently, we reached the milestone of 100 million customers globally, a significant achievement in our journey, but we know it wasn’t just the customers who chose us. We have over 8,000 Nubankers who choose to work with us daily.

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