Zelcastalumni map

People who leave Fireworks AI most often go to a long tail of companies. The median tenure is 10m

Not Fireworks AI's headcount: these are the engineers in the Zelcast network and the profiles run through the Eng Scorer. 37 people on a map of 67,181, No. 661 on it by people. Updated September 30, 2026.

People on the map
370.1% of everyone on the map
There now
2773% of the people here
Moved on
1027% of the people here
Median tenure
10mmiddle half 4m to 1y 2m

Put Fireworks AI side by side with another employer.

Came from, went to

Ribbon width is the number of people who made the move. Most arrive from Meta.

FireworksAI36 in · 10 out

10 recorded departures to 9 companies, none more than 2 to any one of them

19%7Meta8%3AWS
10 of 36 recorded arrivals shown, 26 more from 24 other companies0 of 10 recorded departures shown, 10 more to 9 other companies

After Fireworks AI

  • 100%Elsewhere

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

How long people stay

53%<1y
36%1-2y
11%2-4y
0%4-7y
0%7y+
10m median tenuremiddle half 4m to 1y 2m

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

Who comes and goes, by year

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

2021 to 2026: 37 joined, 10 left.

Caliber

Not enough scored profiles here yet (17).

Titles held here

  1. Applied Machine Learning Engineer10
  2. Software Engineer9
  3. Member of Technical Staff7
  4. Applied AI3

4 most common titles, by people who held them.

Where they studied

  1. UCLA10.8%
  2. UIUC10.8%
  3. Duke8.1%
  4. UC Berkeley8.1%
  5. UC Davis8.1%
  6. UC Irvine8.1%

The 6 most listed schools among the 37 people here with a school on file.

4 of the 37 people here with a school on file list UCLA, 4 list UIUC and 3 list Duke. A person can list more than one, so these overlap.

Public work

one square is one in a hundred
30%have a public GitHub account on their profile

11 of the 37 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

84% of the people who have worked at Fireworks AI and list a location live in the San Francisco Bay Area today, against 41% of everyone on the map.

Fireworks AI
Everyone on the map
  • 84%SF Bay Area31 · map 41%
  • 16%Somewhere else6

All 37 people who worked at Fireworks AI 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 Fireworks AI: a metro here isn't an office there. The lower strip is the same metros across the whole map.

Key facts

  • 37 people on the Zelcast alumni map have worked at Fireworks AI: 27 are there now, 10 have moved on.
  • Most arrive from Meta: 7 people. Then AWS.
  • Median tenure at Fireworks AI: 10m, middle half 4m to 1y 2m.
  • Of the people with a recorded next move after Fireworks AI, fewer than 3 went to a founder title next, fewer than 3 joined a company of 200 or fewer, and fewer than 3 joined one of 10,000 or more.
  • Most common title held here: Applied Machine Learning Engineer, then Software Engineer.
  • Top school: UCLA, listed by 4 of the 37 people here with one on file (10.8%). Then UIUC (4).
  • 84% of the 37 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.
  • 30% of the 37 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 Fireworks AI? See how your profile reads to a startup hiring manager, and where it ranks among 67,181 engineers.

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