WhoBuilt

Key facts

Founded by
Capabilities
Highlights popular podcast episodes based on user listening, likes, and comments.
Social listening lets users see what others listen to, subscribe to, and like.

Tech stack & tools

Based on job postings, talks and code

Labels show how a tool is used (core product, infra, data, ML, security); “N jobs” counts the job postings that require it. Click a count to see the evidence. How we verify

Hiring

Job board checked Oct 24, 2026

Job board
2open roles
Nov 2025: 0 roles postedNovDec 2025: 0 roles postedJan 2026: 0 roles postedFeb 2026: 0 roles postedFebMar 2026: 0 roles postedApr 2026: 0 roles postedMay 2026: 1 role posted1MayJun 2026: 0 roles postedJul 2026: 1 role postedAug 2026: 0 roles postedAugSep 2026: 0 roles postedOct 2026: 0 roles postedOct
Currently open roles by month first posted (last 12 months)
Open roles by month posted
2025-110
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2026-051
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2026-071
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Departments
  • Engineering
    2

Timeline 3

Dated events, newest first. Open the sources under any item.

How we verify
Founded1Capability2
20183 events
  1. as of Jan 2018Capability
    Highlights popular podcast episodes based on user listening, likes, and comments.
    “We want to highlight good episodes based on users liking, listening to, and commenting on them.” 37:28
    Unverified1 source· Talk
  2. as of Jan 2018Capability
    Social listening lets users see what others listen to, subscribe to, and like.
    “You can see what people are listening to, what they subscribe to, what they're liking” 26:42
    Unverified1 source· Talk
  3. as of Jan 2018Founded
    Leah Culver founded Breaker
    “That was one of the reasons I started Breaker.” 36:44
    Unverified1 source· Talk

Talks by Breaker 1

57:49
Leah Culver of Breaker and Tom Sparks of YC Answer Your Questions About Security and Podcasting

Leah Culver and Tom Sparks discuss practical security for personal devices, startups, and cryptocurrency. They explain the tradeoffs between convenience and security, recommend established authentication standards and tools, and emphasize protecting sensitive data and listening to users. Culver also describes Breaker’s social podcast discovery features and its focus on helping listeners find individual episodes. The conversation closes with advice on startup spending, user feedback, podcast production, and learning security.

Jan 5, 2018· 58 min 4:47

Mentioned in 1

Talks by others that mention this company