Zelcastalumni map

People who leave Xandr most often go to Microsoft and Waybridge. Of them, 16% go somewhere small. The median tenure is 2y 1m

Not Xandr's headcount: these are the engineers in the Zelcast network and the profiles run through the Eng Scorer. 33 people on a map of 67,181, No. 766 on it by people. Updated September 30, 2026.

People on the map
33Under 0.1% of everyone on the map
There now
00% of the people here
Moved on
33100% of the people here
Median tenure
2y 1mmiddle half 1y to 3y 3m

Put Xandr side by side with another employer.

Came from, went to

Ribbon width is the number of people who made the move. Most arrive from AppNexus. Most leave for Microsoft (38% of recorded departures).

Xandr31 in · 32 out
14 of 31 recorded arrivals shown, 17 more from 17 other companies15 of 32 recorded departures shown, 17 more to 17 other companies

After Xandr

  • 16%Joined a startup5
  • 28%Joined a big company9
  • 56%Elsewhere

Shares of those who moved on, by their next stop.

How long people stay

24%<1y
21%1-2y
45%2-4y
10%4-7y
0%7y+
2y 1m median tenuremiddle half 1y to 3y 3m

29 stays with both a start and an end on the record.

Who comes and goes, by year

18
19
20
21
22
23
24
25
26
joined left2026 is a partial year

2018 to 2026: 33 joined, 33 left.

Caliber

Not enough scored profiles here yet (23).

Titles held here

  1. Software Engineer II8
  2. Senior Software Engineer6
  3. Software Engineer6
  4. Engineering Manager3

4 most common titles, by people who held them.

First job on the record for 3% of people here.

Whether a title rose here

The level of the first title recorded here, against the last.

45%Titles that rose14 of 31 classified people

  • 45%Rose14 people
  • 55%Stayed level or fell17 people

31 of the 33 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 with one title here who then left, it's 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. Titles that match no rung are left out rather than guessed, and product, program and project managers are left out entirely as a different ladder. What's left leans towards people who have left: someone still here on one recorded title has nothing to measure against. A direction holding fewer than 3 people is printed with the one next to it, because that few is a person rather than a pattern.

Where they studied

  1. Columbia15.2%
  2. NYU9.1%
  3. Rutgers9.1%

The 3 most listed schools among the 33 people here with a school on file.

5 of the 33 people here with a school on file list Columbia, 3 list NYU and 3 list Rutgers. A person can list more than one, so these overlap.

Public work

one square is one in a hundred
36%have a public GitHub account on their profile

12 of the 33 people here whose profile was checked for public accounts. An account the check missed reads the same as no account, so this is a floor.

31% is the median across the 857 companies that can show this figure.

Where they are now

76% of the people who have worked at Xandr and list a location live in New York today, against 18% of everyone on the map.

Xandr
Everyone on the map
  • 76%New York25 · map 18%
  • 24%Somewhere else8

All 33 people who worked at Xandr 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 working at Xandr: a metro here isn't an office there. The lower strip is the same metros across the whole map.

Key facts

  • 33 people on the Zelcast alumni map have worked at Xandr: 0 are there now, 33 have moved on.
  • Most leave for Microsoft: 12 people, 38% of recorded departures. Then Waybridge.
  • Most arrive from AppNexus: 14 people.
  • Median tenure at Xandr: 2y 1m, middle half 1y to 3y 3m.
  • Of the people with a recorded next move after Xandr, fewer than 3 went to a founder title next, 16% joined a company of 200 or fewer, and 28% joined one of 10,000 or more.
  • Most common title held here: Software Engineer II, then Senior Software Engineer.
  • Top school: Columbia, listed by 5 of the 33 people here with one on file (15.2%). Then NYU (3).
  • 76% of the 33 people here who list a location live in New York today, against 18% across the map. Where they live now, not the office they sat in while they worked here.
  • 36% of the 33 people here whose profile was checked for public accounts have a public GitHub.

About this data: built from 352,028 jobs across 67,181 engineers in the Zelcast network and Eng Scorer reads, updated September 30, 2026. A move counts when the next role starts within 24 months of leaving. Companies under 20 people on the map aren't shown, and destinations under 3 people fold into the totals. Caliber is the Eng Scorer score.

Worked at Xandr? See how your profile reads to a startup hiring manager, and where it ranks among 67,181 engineers.

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