Zelcastalumni map

People who leave Instabase most often go to a long tail of companies. 19% found something next. 38% go small

These are the engineers in the Zelcast network and the profiles run through the Eng Scorer, not Instabase's headcount: 23 people on a map of 26,572, the No. 423 company on it by people. Updated August 20, 2026.

People on the map
230.1% of everyone on the map
There now
626% of the people here
Moved on
1774% of the people here
Median tenure
only 19 stays here have both a start and an end on the record, too few to take a median from

Put Instabase 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.

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

After Instabase

  • 19%Founded something3
  • 38%Joined a startup6
  • 25%Joined a big company4
  • 19%Elsewhere

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

How long people stay

11%<1y
32%1-2y
32%2-4y
26%4-7y
0%7y+
median tenure

19 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: 23 joined, 17 left.

Caliber

Not enough scored profiles here yet (23).

Titles held here

  1. Software Engineer15
  2. Senior Software Engineer3
  3. Software Engineer Intern3

3 most common titles, by people who held them.

Where they studied

  1. UC Berkeley26.1%
  2. MIT13.0%

The 2 most listed schools among the 23 people here with a school on file.

Of the 23 people here with a school on file, 6 list UC Berkeley and 3 list MIT. A person can list more than one school, so these overlap rather than add up.

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 than that here.

Where they are now

70% of the people who have worked at Instabase and list a location live in the San Francisco Bay Area today, against 47% of everyone on the map.

Instabase
Everyone on the map
  • 70%SF Bay Area16 · map 47%
  • 26%New York6 · map 33%

All 23 people who worked at Instabase 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 Instabase: 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.

Key facts

  • 23 people on the Zelcast alumni map have worked at Instabase: 6 are there now and 17 have moved on.
  • Of those who moved on from Instabase, 19% went on to a founder title, 38% joined a company with 200 or fewer people, and 25% joined a company with 10,000 or more.
  • The most common title held at Instabase is Software Engineer, then Senior Software Engineer.
  • Of the 23 people here with a school on file, 6 list UC Berkeley (26.1%), then MIT (3). A person can list more than one school, so these overlap rather than add up.
  • 70% of the 23 people here who list a location live in SF Bay Area today, against 47% of everyone on the map. That is where they live now, not the office they sat in while they worked here.

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.

Worked at Instabase? See how your profile reads to a startup hiring manager, and where it ranks among 26,572 engineers.

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