Senior Backend Software Engineer (Python / FastAPI)

CHAOS Industries · San Francisco, California, United States · All 139 CHAOS Industries jobs

Pay shown$140,000 to $240,000 a yearOn-sitePermanent

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Advertised pay
$140,000 to $240,000 a year
Checker · last seen live 05 Nov 2026
Pay readStill open
Advertised pay
$140,000 to $240,000 a year
Work pattern
On-site
Employment
Permanent
Level
Senior
Posted
03 Nov 2026
Age
New (since 3 Nov)
Source
Employer's own page, Greenhouse
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Typical pay for this role in San Francisco

The median advertised range for a software engineer in San Francisco is $180,000 to $250,000, from 824 adverts that state a yearly pay. This job, at $140,000 to $240,000, sits inside that range.

Median of the advertised lower and upper figures, not a promise of what is paid.

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Required skills

  • Python
  • Fastapi

Nice to have

  • Etl
  • Data Visualisation
  • TypeScript
  • React
  • Azure
  • Security

About the job

Senior Backend Software Engineer (Python / FastAPI) San Francisco, CA (On-site) | $140k–$240k base + pre-IPO stock options Build the real-time backend that turns radar sensor data into decisions people can act on. CHAOS Industries is a defense tech company founded in 2022 that has raised $1B from investors including 8VC, Accel and Valor Equity Partners.

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Source: CHAOS Industries's careers site

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