Recomputed every morning · 2026-10-20

How long does a role stay listed?

Every job board shows you a posting date and leaves you to guess what it means. This measures the one thing that can be measured from the outside: how many days 378 roles stayed on their employer's careers page before disappearing from it.

62 days

The median time from the date an employer published a role to the date it disappeared from their careers page. A quarter were gone within 24 days, a quarter lasted longer than 137. Counting only the 378 removals this board watched happen, between 2026-08-25 and 2026-10-20, having started checking on 2026-08-22.

16%delisted in 2 weeks

29%delisted in a month

37%still listed at 90 days

378roles measured

What this does and does not tell you

A posting is not a deadline, and the spread here matters more than the median. 16% of these roles were gone inside two weeks and 37% were still listed after three months, so how long a listing has been up says very little about whether it is still live.

What is being counted is disappearance from the employer's own careers feed, checked daily. That can mean the role was filled, that it was withdrawn, that headcount moved, or that the company reorganized its job board. This board cannot see which, and nothing here should be read as a hiring statistic, a confirmed hire, or a deadline. These are also aggregate figures over roles that have already closed; they do not predict what any one listing still open will do.

Alignment & interpretability listings come down soonest

Median days listed by discipline, for categories with at least fifteen removed roles behind them. A shorter median means those listings tend to disappear sooner, not that those roles are filled faster.

Discipline	Median days listed	Roles measured
Alignment & interpretability	31	23
Red team & safeguards	50	31
Evals & benchmarks	56	139
Human data	70	124
Post-training & RL	116	54

The shortest-lived postings

The postings that spent the fewest days on their employer's careers page before disappearing, counting only roles that name the discipline in the title. Why each came down this quickly is not visible from outside, and a short listing life is as consistent with a withdrawn requisition as with a fast hire.

Role	Company	Days listed
Associate, ML Data Operations, GO-AI Operations	Amazon	1
AI Model Policy Trainer, Generalist (Remote)	Handshake AI	1
Head of Reinforcement Learning Operations	Hippocratic AI	2
AI Safety Policy Evaluator, Violence & Threats \| Remote - US Only	Handshake AI	2
Senior Offensive Security Engineer (Red Team)	Salesforce	2
Offensive Security Engineer - Red Team	Salesforce	3

The longest-running before they came down

The postings that stayed on their employer's careers page longest before disappearing. A long listing life is not evidence that a role was hard to fill: employers leave evergreen requisitions up, repost the same job, and sometimes forget to take one down. This board can see the duration and not the reason.

Role	Company	Days listed
Staff+ Software Engineer, Safeguards ML Infrastructure	Anthropic	438
Senior Software Engineer, ML Evaluation Infra and Efficiency	Waymo	415
Staff Machine Learning Research Scientist Agent Post-training - Enterprise GenAI	Scale AI	320
Machine Learning Systems Research Engineer/Scientist, Agent Post-training - Enterprise GenAI	Scale AI	320
Software Engineer, Quantitative Evaluations	Waymo	284
Software Quality Operations Specialist, Safety Evaluation	Waymo	279

Method. Every role this board has seen listed and then removed, where the employer published a posting date of their own. This board's first crawl ran on 2026-08-22 and it has checked these employers daily since. Nothing before that date is covered: there is no historical archive behind these figures, only what has been watched since. Removals counted here fall between 2026-08-25 and 2026-10-20. A removal counts only if this board saw the role listed on one of its own runs and gone on a later one. That excludes 441 roles that arrived already closed in the original data import, dated to the day of the import rather than to the day they came down. They were the large majority of everything this board had marked closed, and counting them made the median look considerably shorter than the watched roles support. Duration is the employer's posting date to the day the role stopped appearing in their careers endpoint, so for a role already listed when this board started, the span before 2026-08-22 comes from the employer's own date rather than from observation. Measured only over the days actually watched, the median is 19 days, which is a floor rather than a duration. Roles with a close date before their posting date, or listed more than two years, are excluded as bad source data rather than as fast or slow hires. Removal is not a hire: it means the listing is gone, and the reason is not published anywhere this board can read. This is a young sample, it grows every week, and these numbers will move. Recomputed every morning.

New roles the morning they appear, not three weeks laterWhat changed since last Thursday: new roles, roles that closed, and pay moves.

Browse the 1147 open roles →