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Machine Learning Engineer - Infrastructure

Nextdoor

$205,000 - $336,000
Aug 28, 2025
San Francisco, CA, US
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Nextdoor is looking to build a foundational Machine Learning infrastructure to empower developers to build better ML products more quickly.

Requirements

  • Experience with Python, Kubernetes, Go, Kafka, Docker, Spark, SQL, AWS and the Unix environment
  • Experience with machine learning libraries and frameworks like Xgboost, Sklearn, TensorFlow, PyTorch, etc
  • Experience in designing, building, and debugging distributed systems
  • Experience with building performant and scalable backend services
  • Extensive experience in one or more of the following languages: Python, Go, Java, or Scala

Responsibilities

  • Design, implement and integrate the next generation of Machine Learning infrastructure
  • Collaborate with other engineers and data scientists to create optimal experiences on the Core ML platform
  • Build, debug, and maintain highly available distributed systems
  • Work with data and features to build data-intensive products
  • Write crisp design documentation

Other

  • Master / Ph.D. in Computer Science, Applied Math, Statistics, Engineering or a related field
  • 3+ years of industry experience of applying machine learning at scale
  • A deep empathy for customer needs and insights as well as an intuitive grasp of the business problems we’re trying to solve
  • Strong collaboration and communication skills, both verbal and written
  • Ability to succeed in a dynamic startup environment