After LangChain
- 50%Joined a startup6
- 50%Elsewhere
Shares of those who moved on, by their next stop.
People who leave LangChain most often go to a long tail of companies. Of them, 50% go somewhere small. The median tenure is 1y
Not LangChain's headcount: these are the engineers in the Zelcast network and the profiles run through the Eng Scorer. 38 people on a map of 67,181, No. 641 on it by people. Updated September 30, 2026.
- People on the map
- 380.1% of everyone on the map
- There now
- 2566% of the people here
- Moved on
- 1334% of the people here
- Median tenure
- 1ymiddle half 5m to 2y 5m
Came from, went to
Ribbon width is the number of people who made the move.
Not enough recorded moves to draw a river for LangChain yet.
How long people stay
49%<1y
24%1-2y
27%2-4y
0%4-7y
0%7y+
37 stays with both a start and an end on the record.
Who comes and goes, by year
0021
0022
9<323
8324
11425
10526
joined left2026 is a partial year
2021 to 2026: 38 joined, 13 left.
Caliber
Not enough scored profiles here yet (20).
Titles held here
- Software Engineer16
- Engineering4
- Founding Engineer3
3 most common titles, by people who held them.
Where they studied
- Stanford13.9%
- Harvard11.1%
- Columbia8.3%
- Duke8.3%
The 4 most listed schools among the 36 people here with a school on file.
5 of the 36 people here with a school on file list Stanford, 4 list Harvard and 3 list Columbia. A person can list more than one, so these overlap.
Public work
one square is one in a hundred
31%have a public GitHub account on their profile
11 of the 36 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
69% of the people who have worked at LangChain and list a location live in the San Francisco Bay Area today, against 41% of everyone on the map.
LangChain
Everyone on the map
- 69%SF Bay Area25 · map 41%
- 17%New York6 · map 18%
- 14%Somewhere else5
36 of the 38 people who worked at LangChain list a location, and every share here is over those 36.
Where they live now, from the profile as it reads today, not where they sat while working at LangChain: a metro here isn't an office there. The lower strip is the same metros across the whole map.
On the same resumes
Companies that show up most often alongside LangChain, at any point in a career.
Key facts
- 38 people on the Zelcast alumni map have worked at LangChain: 25 are there now, 13 have moved on.
- Median tenure at LangChain: 1y, middle half 5m to 2y 5m.
- Of the people with a recorded next move after LangChain, fewer than 3 went to a founder title next, 50% joined a company of 200 or fewer, and fewer than 3 joined one of 10,000 or more.
- Most common title held here: Software Engineer, then Engineering.
- Top school: Stanford, listed by 5 of the 36 people here with one on file (13.9%). Then Harvard (4).
- 69% of the 36 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.
- 31% of the 36 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 LangChain? See how your profile reads to a startup hiring manager, and where it ranks among 67,181 engineers.
Arrow keys move along the map.