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Reddit

Senior

Scale Reddit's Core API Platform behind hundreds of millions of users

Interview for a Senior Software Engineer role on Reddit's Core Platform team, the group that runs the APIs powering listings, posts, comments, and media for Reddit. Expect deep questions on distributed systems design, media delivery pipelines, and mentoring junior engineers while keeping a mission-critical API at 5+ nines of availability.

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这场面试考什么

  • Large-scale distributed systems design (Golang/Python)
  • API platform architecture at high QPS with 5+ nines availability
  • Media delivery performance and scalability across the stack
  • Mentoring and technical coaching of junior engineers
  • Operating and scaling services owned by a fast-growing org

常见提问方向

Design a system that serves hundreds of thousands of TPS reliably

Debugging a production incident in a distributed API platform

Optimizing media delivery from backend to end user

Mentoring a junior engineer through a technical disagreement

Trade-offs between shipping velocity and system reliability

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