# How long engineering postings stay up: results, read 27 October 2026

## Sample
27 October read: boards used 186 | postings read 23242 | engineering postings 4972
27 October roles 4031 | companies 167
boards read on all of 15 Sep, 13 Oct, 27 Oct: 180
boards read on all of 15 Sep, 13 Oct, 27 Oct (companies): 170
  postings seen sep15 at those boards: 4730
  postings seen oct13 at those boards: 4889
  postings seen oct27 at those boards: 4944

## The 15 September cohort
postings 4730 | companies 168
still up 13 Oct (28 days): 3576/4730 = 75.6%
still up 27 Oct (42 days): 3170/4730 = 67.0%
gone 13 Oct, back 27 Oct under the same id: 46

still up 27 Oct, by age on 15 Sep:
  under 30 days: 738/1121 = 65.8%
  30 to 89 days: 912/1467 = 62.2%
  90 to 179 days: 649/1020 = 63.6%
  180 to 364 days: 468/650 = 72.0%
  365 days or more: 403/472 = 85.4%

same, without databricks, palantir and openai:
  under 90 days: 1508/2411 = 62.5%
  90 to 364 days: 914/1429 = 64.0%
  365 days or more: 198/246 = 80.5%
companies with 3+ postings under 90 days and 3+ over a year on 15 Sep: 31 | year-old ones stayed up more often: 25 | less often: 6 | same: 0

same, Greenhouse and Ashby only (Lever dates are createdAt):
  under 30 days: 723/1101 = 65.7%
  30 to 89 days: 877/1417 = 61.9%
  90 to 179 days: 612/970 = 63.1%
  180 to 364 days: 446/622 = 71.7%
  365 days or more: 299/356 = 84.0%

still up 27 Oct, by seniority as read on 15 Sep:
  mid: 1133/1662 = 68.2%
  senior: 1015/1611 = 63.0%
  staff: 843/1217 = 69.3%
  intern: 172/217 = 79.3%
  junior: 7/23 = 30.4%

still up 27 Oct, by mode as read on 15 Sep:
  office: 2051/2940 = 69.8%
  remote: 939/1501 = 62.6%
  hybrid: 180/289 = 62.3%

still up 27 Oct, by board system:
  ashby: 965/1346 = 71.7%
  greenhouse: 1992/3120 = 63.8%
  lever: 213/264 = 80.7%

companies with 10+ postings on 15 Sep: 95 | median company share still up 27 Oct: 63.2% | companies with every one still up: 2 | with under half still up: 24
taken down by 27 Oct: 1560 | median age when last seen: 77.0 days

## Ages of postings up on 27 October (common boards)
postings 4944 | median age 75.0 days
  published more than 90 days earlier: 2160/4944 = 43.7%
  published more than 180 days earlier: 1149/4944 = 23.2%
  published more than 365 days earlier: 485/4944 = 9.8%
  greenhouse: 3304 postings, median 69.0 days, over 180: 643/3304 = 19.5%
  ashby: 1380 postings, median 77.0 days, over 180: 358/1380 = 25.9%
  lever: 260 postings, median 252.5 days, over 180: 148/260 = 56.9%
roles (all 27 Oct boards): 4031 | median 77 | over 90: 1810/4031 = 44.9% | over 365: 426/4031 = 10.6%

over a year old: 485 | at companies: 63 of 162
  top companies: databricks 100, palantir 93, openai 39, anthropic 17, zoox 13, xai 12, monzo 9, scaleai 9
  share at the top three: 232/485 = 47.8%
  databricks: 100 of its 253 postings are over a year old
  palantir: 93 of its 164 postings are over a year old
  openai: 39 of its 233 postings are over a year old
  anthropic: 17 of its 162 postings are over a year old
  zoox: 13 of its 63 postings are over a year old
  Greenhouse and Ashby only, over 90 days: 1964/4684 = 41.9%
  Greenhouse and Ashby only, over a year: 373/4684 = 8.0% | Lever: 112 of the 485 | top: databricks 100, openai 39, anthropic 17, xai 12, monzo 9
  boards of the top companies: databricks greenhouse, palantir lever, openai ashby, anthropic greenhouse, zoox lever
  companies (5+ postings) with more than half their postings over 180 days: 13 of 125

## Same posting id on 15 Sep and 27 Oct, published date changed
  greenhouse: 0/1992 = 0.0%
  ashby: 73/965 = 7.6%
    all later: True | median shift 91 days | over 90 days: 37 | companies 28
    by company: snowflake 12, airwallex 10, openai 7, elevenlabs 6, cursor 4, nubank 4, lovable 3, sentry 3
    old date over 90 days before 15 Sep: 27
  lever: 0/213 = 0.0%
  Ashby pages opened (verify-dates.py): 73 | page datePosted equals the later date: 69 | page not readable: 4

## Taken down, and a posting with the same company and title appeared under a new id with a later date
of 1560 taken down: 158 | same location string too: 100 | companies 31
  of those, the new one dated after the old one was last seen: 92 | companies 29 | most common titles: senior software engineer frontend 4, senior software engineer 4, software engineer ii backend 3
taken down from the engineering list but still on the board under another title (raw boards): 18 of 1560
new on 27 Oct (not seen 15 Sep): 1774 | of them dated before 15 Sep: 163

## What 27 October postings say about the opening (labeled sentences)
engineering postings: 4972
  not_current: 2 postings at 2 companies: anthropic, webflow
  existing_vacancy: 66 postings at 10 companies: 1password, affirm, ashby, lyft, pinterest, robinhood, toast, twilio, webflow, zip
  several_seats: 30 postings at 12 companies: asana, carta, chime, cloudflare, cognition, cohere, discord, figma, fireworks, mozilla, snowflake, stripe
  team_match: 24 postings at 9 companies: anthropic, carta, chime, harvey, monzo, notion, roblox, stripe, waymo
  no_end_date: 115 postings at 7 companies: airwallex, anthropic, block, samsara, scaleai, waymo, webflow
  end_date: 1 postings at 1 companies: monzo

## Ontario: postings naming an Ontario place, first published on or after 1 January 2026
all naming Ontario: 246 | published 2026: 211 | companies 32
  say it is an existing vacancy: 30/211 = 14.2% | companies 6 of 32: lyft 13, robinhood 10, toast 2, twilio 2, zip 2, pinterest 1
  say it is not: 0/211 = 0.0% | companies 0 of 32: 
  of them, seen on 15 September with a different date then: 2 | that date before 2026: 0
  every listed location in Ontario: 88, with a vacancy statement 20/88 = 22.7%
  Ontario plus places elsewhere: 123, with a vacancy statement 10/123 = 8.1%
  AI statements from Okta (New York City notice): 33
  say they use AI to screen, assess or select: 91/211 = 43.1% | companies okta 33, cohere 19, lyft 17, braze 10, mongodb 3, zip 3, block 2, nubank 2, pinterest 1, webflow 1
  mention AI in their own hiring at all: 127/211 = 60.2% | companies 14
  per company (postings, vacancy statement, any AI-in-hiring statement):
    okta: 33, 0, 33
    robinhood: 27, 10, 27
    cohere: 19, 0, 19
    lyft: 17, 13, 17
    baseten: 14, 0, 0
    stripe: 14, 0, 0
    fivetran: 13, 0, 0
    braze: 10, 0, 10
    justworks: 7, 0, 0
    carta: 6, 0, 0
    sentry: 6, 0, 0
    instacart: 5, 0, 0
    mongodb: 4, 0, 3
    snowflake: 4, 0, 0
    toast: 4, 2, 4
    harvey: 3, 0, 3
    perplexity: 3, 0, 0
    sierra: 3, 0, 0
    zip: 3, 2, 3
    block: 2, 0, 2
    nubank: 2, 0, 2
    twilio: 2, 2, 2
    anthropic: 1, 0, 0
    cloudflare: 1, 0, 0
    elevenlabs: 1, 0, 0
    lattice: 1, 0, 0
    paddle: 1, 0, 0
    pagerduty: 1, 0, 0
    pinterest: 1, 1, 1
    snyk: 1, 0, 0
    spotify: 1, 0, 0
    webflow: 1, 0, 1
  companies without the sentence, one live posting page each: 26 | text seen (hosted board raw, or rendered in a browser): 24 | "vacancy" on it: 0 | not seen: ['instacart', 'lattice']
  raw-page controls (companies with the sentence): lyft False, pinterest error: HTTPError, robinhood True, toast True, twilio True, zip True
Canada (any Canadian place or "Canada"), published 2026: 549 | with a statement either way: 53/549 = 9.7% | companies 1password, affirm, lyft, pinterest, robinhood, toast, twilio, zip

## New York: postings naming New York (all 27 October boards)
postings 913 | companies 74 | published more than 90 days earlier: 459/913 = 50.3%
  with a vacancy statement either way: 9