Zelcastalumni map

People who leave edX most often go to a long tail of companies. Of them, 26% go somewhere small

Not edX's headcount: these are the engineers in the Zelcast network and the profiles run through the Eng Scorer. 22 people on a map of 67,181, No. 1,162 on it by people. Updated September 30, 2026.

People on the map
22Under 0.1% of everyone on the map
There now
15% of the people here
Moved on
2195% of the people here
Median tenure
–fewer than 20 stays here have both a start and an end on the record, too few for a median

Put edX side by side with another employer.

Came from, went to

Ribbon width is the number of people who made the move.

Not enough recorded moves to draw a river for edX yet.

After edX

  • 26%Joined a startup5
  • 26%Joined a big company5
  • 47%Elsewhere

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

How long people stay

40%<1y
20%1-2y
30%2-4y
10%4-7y
0%7y+
– median tenure

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

Who comes and goes, by year

12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
joined left2026 is a partial year

2012 to 2026: 22 joined, 21 left.

Caliber

Not enough scored profiles here yet (12).

Titles held here

  1. Software Engineer Intern7

1 most common titles, by people who held them.

First job on the record for 36% of people here.

Where they studied

  1. MIT36.4%
  2. UC Berkeley22.7%
  3. Stanford18.2%
  4. Northeastern13.6%

The 4 most listed schools among the 22 people here with a school on file.

8 of the 22 people here with a school on file list MIT, 5 list UC Berkeley and 4 list Stanford. A person can list more than one, so these overlap.

Public work

Not enough of the record here has been checked.This share needs 30 people whose profile was checked for public accounts, and there are fewer here.

Where they are now

55% of the people who have worked at edX and list a location live in the San Francisco Bay Area today, against 41% of everyone on the map.

edX
Everyone on the map
  • 55%SF Bay Area12 · map 41%
  • 23%New York5 · map 18%
  • 23%Somewhere else5

All 22 people who worked at edX 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 edX: a metro here isn't an office there. The lower strip is the same metros across the whole map.

Key facts

  • 22 people on the Zelcast alumni map have worked at edX: 1 are there now, 21 have moved on.
  • Of the people with a recorded next move after edX, fewer than 3 went to a founder title next, 26% joined a company of 200 or fewer, and 26% joined one of 10,000 or more.
  • Most common title held here: Software Engineer Intern.
  • Top school: MIT, listed by 8 of the 22 people here with one on file (36.4%). Then UC Berkeley (5).
  • 55% of the 22 people here who list a location live in SF Bay Area today, against 41% across the map. Where they live now, not the office they sat in while they worked here.

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

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