Reddit is hiring a

Software Engineer - Relevance

San Francisco, United States

"The front page of the internet,” Reddit is comprised of thousands of user-run communities, each with its own front page, unique focus, and moderator team. Founded in 2005, Reddit is a place for community, conversation, and connection with over 250 million users worldwide.

Reddit is looking for an intelligent, motivated individual with a desire to directly impact the experience of hundreds of millions of users. As a relevance engineer you’ll have the opportunity to work on optimizing or overhauling the core algorithms that power Reddit. If things like improving our hotness algorithm, search relevance, and ad targeting / inventory utilization excite you, then you’ve found the right place.


  • Design, develop, and support new features
  • Apply Machine Learning to retrieve relevant results and provide optimal ranking.
  • Dig deep into how customer behavior differs between categories and go beyond generic relevance algorithms.
  • Participate in the full development cycle: design, development, impact assessment, A/B testing and results analysis, and deployment.
  • Collaborate with engineers/teams to find technical solutions to complex design challenges.

What We Can Expect From You:

  • At least 3 years of hands-on experience as a Data Scientist, Software Engineer, or Applied Research, developing production level code
  • Strong understanding of data structures.
  • Experience with Hadoop or similar web-scale data processing technologies
  • Results-oriented with a strong customer and business focus.
  • Highly innovative, flexible and self-directed
  • Entrepreneurial ‘think big’ mindset.
  • Ability to communicate well and discuss complex topics with both technical audiences.
  • Ability to deal well with ambiguous and undefined problems.
  • Able to thrive in a fast paced environment.

Bonus Points:

  • At least 3 years of hands-on experience in applied Machine Learning or Natural Language Processing
  • Strong Machine Learning and modeling techniques including classification, regression and Bayesian analysis.

What You Can Expect From Us:

  • Competitive Healthcare Benefits Package
  • Quarterly Dependent Care or Pet Care Stipend
  • Family Expansion Benefits
  • 4 Months Parental Leave with Flexible Return-To-Work Programming
  • Professional & Personal Development Stipends
  • Unlimited Vacation, Annual Travel Stipend, and 10 Paid Holidays
  • Onsite Wellness Classes and Wellness Stipend
  • 401k Plan with Employer Contributions
  • Monthly Commuter Stipend
  • Monthly Cell Phone Allowance
  • Paid Volunteer Days, plus Reddit For Good Volunteer Opportunities
  • Catered Meals & Snacks
  • The opportunity to bring goodness into the world, one subreddit at a time