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Senior Machine Learning Engineer, Recommendation Systems

Company: Reddit Inc
Location: San Francisco
Posted on: September 21, 2023

Job Description:

Reddit is looking for a machine learning engineer or software engineer with ML experience to bring our recommender systems to the next level in terms of relevance and personalization. You'll be responsible for designing and building the pipelines that make it easy for users to connect with their favorite content and discover their next favorite community, whether it's their first session or their ten thousandth. You'll work closely with product managers, data scientists, modelers and platform engineers to build a state of the art recommender system.
This is a high impact role where you will be involved in technical & product strategy, operations, architecture, and execution for one of the largest sites in the world.

  • Languages: Go, Python, or any object oriented programming language
  • Libraries: Baseplate, GraphQL
  • Databases: Redis, Postgres, Memcached
  • Tools: Kubernetes, Kafka, AWS, GCP, Ray

    What You'll Do

    • Write efficient, scalable and maintainable code that will help consistently deliver highly personalized experiences to Reddit users
    • Design and implement components of our recommender systems to adapt to user signals and optimize for long term user satisfaction; potentially including user targeting and segmentation, candidate retrieval, reinforcement learning, feature engineering, and prediction models
    • Follow data-driven design principles to develop hypotheses, test them via well designed experiments, and analyze the results to learn and iterate
    • Champion and drive engineering processes and best practices
    • Collaborate across disciplines and with other ML teams at Reddit to find technical solutions to complex challenges

      Who you might be

      • At least 4 years of experience as a machine learning engineer or software engineer developing backend / infrastructure at scale, using Go, Python, or any object oriented programming language
      • Experience working with recommender systems or other ML-driven products
      • Familiar with software engineering best practices such as unit testing and code reviews, design, and documentation
      • Skilled at diving into data to debug system performance and develop a deeper understanding of how users are engaging with the product; proficient with SQL and data analysis
      • Passionate about building delightful products for users
      • Entrepreneurial spirit. You love to build new things and thrive in ambiguity and even failure. You figure out what it takes to drive projects to success.
      • Excellent communication skills. You collaborate effectively with teams in a fully remote environment and discuss complex topics with technical and non-technical audiences


        • Comprehensive Health benefits
        • 401k Matching
        • Workspace benefits for your home office
        • Personal & Professional development funds
        • Family Planning Support
        • Flexible Vacation (please use them!) & Reddit Global Days Off
        • 4+ months paid Parental Leave
        • Paid Volunteer time off


Keywords: Reddit Inc, San Francisco , Senior Machine Learning Engineer, Recommendation Systems, Other , San Francisco, California

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