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Senior Machine Learning Engineer at Reddit

Confirmed open

Reddit is hiring a remote Senior Machine Learning Engineer to build production recommendation, search, ranking and advertising systems. The listing covers Remote - United States.

Reddit logoReddit
Location
Remote - United States
Work arrangement
remote
Technologies
Python, Java, PyTorch, TensorFlow, Go

Role overview

Reddit’s machine-learning engineers build production systems that help millions of people discover and engage with conversations. The team works across Consumer and Ads organisations on recommendations, search, ranking, advertising and marketplace problems.

Responsibilities

  • Design and build end-to-end machine-learning systems from research and modelling through production deployment.
  • Develop recommendation, search and ranking systems that surface relevant content and communities.
  • Build advertising systems for ranking, bidding, measurement and optimisation.
  • Create representations and signals for content, advertisers and users at large scale.
  • Partner with product and engineering teams to define metrics, run experiments and improve reliability.
  • Monitor production models, investigate quality or performance regressions and iterate on deployed systems.

Qualifications

  • Strong software engineering and machine-learning experience delivering production systems.
  • Experience with modelling, experimentation, data pipelines and deployment at large scale.
  • Ability to translate ambiguous product problems into measurable ML objectives and reliable services.
  • Strong programming, statistics and data-analysis skills and familiarity with modern ML frameworks.
  • Clear communication and ability to collaborate across distributed, cross-functional teams.
  • Interest in recommendation, search, relevance, advertising, marketplace or user-understanding systems.

Benefits

  • Remote work under the country restrictions shown in the official posting.
  • Benefits and leave programmes supporting health, wellbeing and family needs.
  • An opportunity to work on large-scale applied ML problems across Reddit’s Consumer and Ads organisations.

About Reddit

Reddit is a community platform with more than 100,000 active communities. Its machine-learning teams support discovery, relevance, advertising and marketplace experiences.

How to apply

Review the original posting and apply through the employer’s careers page.

View source and apply

Source checked: 2026-09-29

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