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Senior/Staff Software Engineer (Infrastructure)

Nubank

Salary not specified
Aug 18, 2025
Durham, NC, US
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Building and scaling foundational cloud, data, and AI infrastructure to power machine learning workloads across the organization.

Requirements

  • Strong expertise in cloud infrastructure (AWS or GCP) and distributed computing
  • Experience with Kubernetes, container orchestration, and infrastructure as code (Terraform, Pulumi)
  • Proficiency in programming languages, with experience in Python and Go being a plus
  • Experience writing ETL pipelines, with experience in Spark or BigQuery being preferred
  • Experience with ML infrastructure, including model training, batch and online inference, and monitoring
  • Strong knowledge of networking, storage, and security in large-scale systems
  • Familiarity with workflow orchestration tools (e.g., Dagster, Airflow) and model-serving frameworks (e.g., Ray Serve, vLLM)

Responsibilities

  • Designing and optimizing high-performance training, inference, and data processing systems
  • Ensuring reliability, scalability, and efficiency of AI infrastructure
  • Providing robust compute, model serving, monitoring, and orchestration frameworks to drive innovation and operational excellence
  • Leading complex infrastructure projects from design to production
  • Designing high-availability, fault-tolerant systems for AI/ML workloads
  • Optimizing performance and cost efficiency of AI workloads on cloud and on-prem environments
  • Working on developer tooling, platform engineering, or ML infrastructure to ensure AI teams can build and deploy efficiently

Other

  • Proven track record of leading complex infrastructure projects from design to production
  • Comfortable working on ambiguous and evolving projects, quickly identifying key challenges and driving solutions
  • Passionate about building scalable, efficient, and cost-effective AI infrastructure that drives meaningful, real-world impact
  • Strong product mindset, ensuring infrastructure is reliable, scalable, and built around user needs
  • Collaborative and mentoring mindset, helping teammates grow while upholding high engineering standards
  • Remote work, with quarterly trips to Sao Paulo to build relationships with coworkers
  • Top Tier Medical, 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
  • 401K
  • Saving Plans - Health Saving Account and Flexible Spending Account