Nubank

Lead ML Data Engineer, AI Core

Nubank

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3 days ago
Durham, NC, USA +3 more
Mid Level / Senior / Staff+

Responsibilities

  • Design and build scalable data ingestion pipelines for AI Core.
  • Implement data quality monitoring and validation systems.
  • Model new types of data into foundation models.
  • Analyze the impact of new data sources on existing models.
  • Develop and maintain data preparation workflows for model training.
  • Tune and optimize machine learning models with new datasets.
  • Collaborate with AI Core ML, Platform, and Infra teams for seamless data flow.
  • Lead technical initiatives to improve data engineering practices and mentor team members.

Requirements

  • Typically 6+ years of experience in machine learning engineering or data engineering.
  • Proven experience designing and building data ingestion pipelines at scale.
  • Strong background in applied machine learning, including model training and evaluation.
  • Experience analyzing data changes and their impact on model performance.
  • Proficiency in Python for data engineering and ML workflows.
  • Solid understanding of data quality principles and monitoring systems.
  • Strong problem-solving skills for complex, ambiguous problems.
  • Excellent communication skills for technical and non-technical stakeholders.
  • Demonstrated leadership experience in mentoring and technical decision-making.

Benefits

  • Opportunity of earning equity at Nu
  • Medical, Dental, and Vision Insurance
  • Life Insurance and AD&D
  • Extended maternity and paternity leaves
  • Access to learning platforms and language programs
  • Mental health and wellness assistance program
  • 401K and saving plans
  • Work-from-home allowance
  • Relocation assistance package if applicable.

Tech Stack

Apache AirflowApache SparkMLflowPython

Categories

AI & MLData Engineering