After Citadel
- 4%Founded something3
- 10%Joined a startup8
- 15%Joined a big company13
- 71%Elsewhere
Shares of those who moved on, by their next stop.
People who leave Citadel most often go to Jane Street, Meta and Citadel Securities. 4% found something next. Median stay 2y 1m
These are the engineers in the Zelcast network and the profiles run through the Eng Scorer, not Citadel's headcount: 145 people on a map of 26,572, the No. 62 company on it by people. Updated August 20, 2026.
- People on the map
- 1450.5% of everyone on the map
- There now
- 6142% of the people here
- Moved on
- 8458% of the people here
- Median tenure
- 2y 1mmiddle half 1y 1m to 3y 7m
Put Citadel side by side with another company, every number against every number.
Came from, went to
Ribbon width is the number of people who made the move. Most arrive from Meta. Most leave for Jane Street (9% of recorded departures).
52 of 151 recorded arrivals shown, 99 more from 88 other companies42 of 90 recorded departures shown, 48 more to 43 other companies
How long people stay
19%<1y
26%1-2y
33%2-4y
18%4-7y
4%7y+
112 stays with both a start and an end on the record.
Who comes and goes, by year
0112
1113
1114
2115
5216
8517
7718
11719
13820
221821
271522
292023
22824
151025
2226
joined left2026 is a partial year
2012 to 2026: 165 joined, 106 left.
Caliber
87mediantop 10%95
0Eng Scorer caliber, 145 scored99
there now 87 moved on 87. Current staff and alumni score about the same.
Titles held here
- Software Engineer70
- Software Engineer Intern41
- Quantitative Developer7
- Senior Software Engineer7
- Engineering Manager4
- Data Engineer3
6 most common titles, by people who held them.
First job on the record for 5% of people here.
Behind the median
Everyone here with an Eng Scorer read, placed in their caliber tier.
- 8%Exceptional12 people
- 48%Strong69 people
- 37%Solid53 people
- 6%Emerging8 people
- 2%Unproven3 people
145 of the 145 people here carry an Eng Scorer tier.
Exceptional and strong are the top two of the five tiers. 81 of the 145 people here with a read sit in them, 56%. A tier is the band an Eng Scorer caliber score falls in, so this is the same measurement as the median on the caliber card, opened up.
Whether a title rose here
The level of the first title recorded here, against the last.
37%Titles that rose36 of 98 classified people
- 37%Rose36 people
- 63%Stayed level or fell62 people
98 of the 145 people here had a title that could be placed on the ladder before and after.
A title rose when the last title recorded here sits higher on the ladder than the first; for someone who recorded one title here and then left, it is measured against the first title of their next role. The ladder runs intern, junior, mid, senior, staff or manager, principal, director, VP, then founder or C-level. A title that matches no rung is left out rather than guessed, and product, program and project managers are left out entirely, being a different ladder. That leaves 98 of the 145 people here classified, and it leans towards people who have left: someone still here on a single recorded title has nothing to be measured against. A direction holding fewer than 3 people is printed together with the one next to it, because a bucket that small is a person rather than a pattern.
Where they studied
- UC Berkeley13.2%
- Carnegie Mellon12.5%
- University of Waterloo12.5%
- Stanford6.3%
- Georgia Tech5.6%
- UIUC5.6%
- UT Austin5.6%
- University of Michigan4.9%
The 8 most listed schools among the 144 people here with a school on file.
Of the 144 people here with a school on file, 19 list UC Berkeley, 18 list Carnegie Mellon and 18 list University of Waterloo. A person can list more than one school, so these overlap rather than add up.
Public work
one square is one in a hundred
34%have a public GitHub account on their profile
50 of the 145 people here whose profile was checked for public accounts. An account the check did not find reads the same as no account, so this is a floor rather than a census.
Across the 325 companies on the map that can show this figure, the median is 38%.
Where they are now
75% of the people who have worked at Citadel and list a location live in New York today, against 33% of everyone on the map.
Citadel
Everyone on the map
- 75%New York109 · map 33%
- 21%SF Bay Area31 · map 47%
- 3%Somewhere else5
All 145 people who worked at Citadel list a location, and every share here is over them.
Where they live now, from the profile as it reads today, not where they sat while they worked at Citadel: a metro here does not mean the company has an office in it. The lower strip is the same metros across the whole map, for comparison.
On the same resumes
Companies that show up most often alongside Citadel, at any point in a career.
Key facts
- 145 people on the Zelcast alumni map have worked at Citadel: 61 are there now and 84 have moved on.
- The most common next employer after Citadel is Jane Street (8 people, 9% of recorded departures), followed by Meta and Citadel Securities.
- The most common previous employer before Citadel is Meta (16 people), followed by Amazon and Amazon Web Services (AWS).
- The median tenure at Citadel is 2y 1m (middle half 1y 1m to 3y 7m).
- Of those who moved on from Citadel, 4% went on to a founder title, 10% joined a company with 200 or fewer people, and 15% joined a company with 10,000 or more.
- The median Eng Scorer caliber of people who have worked at Citadel is 87 on the 0 to 99 scale (145 scored).
- The most common title held at Citadel is Software Engineer, then Software Engineer Intern.
- Of the 144 people here with a school on file, 19 list UC Berkeley (13.2%), then Carnegie Mellon (18). A person can list more than one school, so these overlap rather than add up.
- 75% of the 145 people here who list a location live in New York today, against 33% of everyone on the map. That is where they live now, not the office they sat in while they worked here.
- 34% of the 145 people here whose profile was checked for public accounts have a public GitHub account on it.
About this data: built from 144,786 jobs across 26,572 engineers in the Zelcast network and Eng Scorer reads, updated August 20, 2026. A move counts when the next role starts within 24 months of leaving; companies with fewer than 20 people on the map are not shown, and destinations with fewer than 3 people are folded into the totals. Caliber is the Eng Scorer score.
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