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Callosum is hiring: 12 open roles

Live listings pulled from Callosum's own career page, last checked Oct 28, 2026. When a role disappears from their board, it disappears here too.

12

Open roles

0%

Remote share

GB

Main country

n/a

Median days to close a role

Open roles at Callosum

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Hiring trend

New roles posted per week, last 12 weeks

Aug 10
7
Aug 24
Sep 7
1
Sep 21
Oct 5
Oct 19

What Callosum is hiring for

python3go1node1rust1

Seniority mix: staff (10)

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